diff --git a/Documentation/sound/hd-audio/models.rst b/Documentation/sound/hd-audio/models.rst
index 7d7c191102a7..11298f0ce44d 100644
--- a/Documentation/sound/hd-audio/models.rst
+++ b/Documentation/sound/hd-audio/models.rst
@@ -260,6 +260,9 @@ alc295-hp-x360
     HP Spectre X360 fixups
 alc-sense-combo
     Headset button support for Chrome platform
+huawei-mbx-stereo
+    Enable initialization verbs for Huawei MBX stereo speakers;
+    might be risky, try this at your own risk
 
 ALC66x/67x/892
 ==============
diff --git a/Makefile b/Makefile
index 440e473687eb..56e3f7c7d8a3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 2
-SUBLEVEL = 18
-EXTRAVERSION =
+SUBLEVEL = 19
+EXTRAVERSION = -rc1
 NAME = Bobtail Squid
 
 # *DOCUMENTATION*
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index ebfe28c2f544..a1fd3e63e86e 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -124,10 +124,11 @@
 	};
 
 	lcd0: display@0 {
-		compatible = "panel-dpi";
+		/* This isn't the exact LCD, but the timings meet spec */
+		/* To make it work, set CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4 */
+		compatible = "newhaven,nhd-4.3-480272ef-atxl";
 		label = "15";
-		status = "okay";
-		pinctrl-names = "default";
+		backlight = <&bl>;
 		enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>;	/* gpio176, lcd INI */
 		vcc-supply = <&vdd_io_reg>;
 
@@ -136,22 +137,6 @@
 				remote-endpoint = <&dpi_out>;
 			};
 		};
-
-		panel-timing {
-			clock-frequency = <9000000>;
-			hactive = <480>;
-			vactive = <272>;
-			hfront-porch = <3>;
-			hback-porch = <2>;
-			hsync-len = <42>;
-			vback-porch = <3>;
-			vfront-porch = <4>;
-			vsync-len = <11>;
-			hsync-active = <0>;
-			vsync-active = <0>;
-			de-active = <1>;
-			pixelclk-active = <1>;
-		};
 	};
 
 	bl: backlight {
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index f78db6809cca..9eb48cabcca4 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -440,6 +440,7 @@
 				regulator-name = "vdd_ldo10";
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
 				regulator-state-mem {
 					regulator-off-in-suspend;
 				};
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index e0f470fe54c8..4398f2d1fe88 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -440,6 +440,7 @@
 				regulator-name = "vdd_ldo10";
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
 				regulator-state-mem {
 					regulator-off-in-suspend;
 				};
diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index 895fbde4d433..c1ed83131b49 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -323,6 +323,7 @@
 	vmmc-supply = <&reg_module_3v3>;
 	vqmmc-supply = <&reg_DCDC3>;
 	non-removable;
+	sdhci-caps-mask = <0x80000000 0x0>;
 };
 
 &iomuxc {
diff --git a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
index e61567437d73..62d5e9a4a781 100644
--- a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
+++ b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
@@ -44,7 +44,7 @@
 			  <&clks IMX7D_ENET1_TIME_ROOT_CLK>;
 	assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>;
 	assigned-clock-rates = <0>, <100000000>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&ethphy0>;
 	fsl,magic-packet;
 	status = "okay";
@@ -70,7 +70,7 @@
 			  <&clks IMX7D_ENET2_TIME_ROOT_CLK>;
 	assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>;
 	assigned-clock-rates = <0>, <100000000>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&ethphy1>;
 	fsl,magic-packet;
 	status = "okay";
diff --git a/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi b/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi
index 642e809e757a..449cc7616da6 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi
+++ b/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi
@@ -108,7 +108,6 @@
 &dss {
 	status = "ok";
 	vdds_dsi-supply = <&vpll2>;
-	vdda_video-supply = <&video_reg>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&dss_dpi_pins1>;
 	port {
@@ -124,44 +123,20 @@
 		display0 = &lcd0;
 	};
 
-	video_reg: video_reg {
-		pinctrl-names = "default";
-		pinctrl-0 = <&panel_pwr_pins>;
-		compatible = "regulator-fixed";
-		regulator-name = "fixed-supply";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		gpio = <&gpio5 27 GPIO_ACTIVE_HIGH>;	/* gpio155, lcd INI */
-	};
-
 	lcd0: display {
-		compatible = "panel-dpi";
+		/* This isn't the exact LCD, but the timings meet spec */
+		/* To make it work, set CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4 */
+		compatible = "newhaven,nhd-4.3-480272ef-atxl";
 		label = "15";
-		status = "okay";
-		/* default-on; */
 		pinctrl-names = "default";
-
+		pinctrl-0 = <&panel_pwr_pins>;
+		backlight = <&bl>;
+		enable-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>;
 		port {
 			lcd_in: endpoint {
 				remote-endpoint = <&dpi_out>;
 			};
 		};
-
-		panel-timing {
-			clock-frequency = <9000000>;
-			hactive = <480>;
-			vactive = <272>;
-			hfront-porch = <3>;
-			hback-porch = <2>;
-			hsync-len = <42>;
-			vback-porch = <3>;
-			vfront-porch = <4>;
-			vsync-len = <11>;
-			hsync-active = <0>;
-			vsync-active = <0>;
-			de-active = <1>;
-			pixelclk-active = <1>;
-		};
 	};
 
 	bl: backlight {
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index c7bf9c493646..64eb896907bf 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -363,6 +363,7 @@ CONFIG_DRM_OMAP_PANEL_TPO_TD028TTEC1=m
 CONFIG_DRM_OMAP_PANEL_TPO_TD043MTEA1=m
 CONFIG_DRM_OMAP_PANEL_NEC_NL8048HL11=m
 CONFIG_DRM_TILCDC=m
+CONFIG_DRM_PANEL_SIMPLE=m
 CONFIG_FB=y
 CONFIG_FIRMWARE_EDID=y
 CONFIG_FB_MODE_HELPERS=y
diff --git a/arch/arm/mach-at91/.gitignore b/arch/arm/mach-at91/.gitignore
new file mode 100644
index 000000000000..2ecd6f51c8a9
--- /dev/null
+++ b/arch/arm/mach-at91/.gitignore
@@ -0,0 +1 @@
+pm_data-offsets.h
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 31b61f0e1c07..de64301dcff2 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -19,9 +19,10 @@ ifeq ($(CONFIG_PM_DEBUG),y)
 CFLAGS_pm.o += -DDEBUG
 endif
 
-include/generated/at91_pm_data-offsets.h: arch/arm/mach-at91/pm_data-offsets.s FORCE
+$(obj)/pm_data-offsets.h: $(obj)/pm_data-offsets.s FORCE
 	$(call filechk,offsets,__PM_DATA_OFFSETS_H__)
 
-arch/arm/mach-at91/pm_suspend.o: include/generated/at91_pm_data-offsets.h
+$(obj)/pm_suspend.o: $(obj)/pm_data-offsets.h
 
 targets += pm_data-offsets.s
+clean-files += pm_data-offsets.h
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index c751f047b116..ed57c879d4e1 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -10,7 +10,7 @@
 #include <linux/linkage.h>
 #include <linux/clk/at91_pmc.h>
 #include "pm.h"
-#include "generated/at91_pm_data-offsets.h"
+#include "pm_data-offsets.h"
 
 #define	SRAMC_SELF_FRESH_ACTIVE		0x01
 #define	SRAMC_SELF_FRESH_EXIT		0x00
diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c
index 1f0da76a39de..7b7280c21ee0 100644
--- a/arch/arm/mach-ep93xx/edb93xx.c
+++ b/arch/arm/mach-ep93xx/edb93xx.c
@@ -103,7 +103,7 @@ static struct spi_board_info edb93xx_spi_board_info[] __initdata = {
 };
 
 static struct gpiod_lookup_table edb93xx_spi_cs_gpio_table = {
-	.dev_id = "ep93xx-spi.0",
+	.dev_id = "spi0",
 	.table = {
 		GPIO_LOOKUP("A", 6, "cs", GPIO_ACTIVE_LOW),
 		{ },
diff --git a/arch/arm/mach-ep93xx/simone.c b/arch/arm/mach-ep93xx/simone.c
index e2658e22bba1..8a53b74dc4b2 100644
--- a/arch/arm/mach-ep93xx/simone.c
+++ b/arch/arm/mach-ep93xx/simone.c
@@ -73,7 +73,7 @@ static struct spi_board_info simone_spi_devices[] __initdata = {
  * v1.3 parts will still work, since the signal on SFRMOUT is automatic.
  */
 static struct gpiod_lookup_table simone_spi_cs_gpio_table = {
-	.dev_id = "ep93xx-spi.0",
+	.dev_id = "spi0",
 	.table = {
 		GPIO_LOOKUP("A", 1, "cs", GPIO_ACTIVE_LOW),
 		{ },
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 582e06e104fd..e0e1b11032f1 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -267,7 +267,7 @@ static struct spi_board_info bk3_spi_board_info[] __initdata = {
  * goes through CPLD
  */
 static struct gpiod_lookup_table bk3_spi_cs_gpio_table = {
-	.dev_id = "ep93xx-spi.0",
+	.dev_id = "spi0",
 	.table = {
 		GPIO_LOOKUP("F", 3, "cs", GPIO_ACTIVE_LOW),
 		{ },
@@ -316,7 +316,7 @@ static struct spi_board_info ts72xx_spi_devices[] __initdata = {
 };
 
 static struct gpiod_lookup_table ts72xx_spi_cs_gpio_table = {
-	.dev_id = "ep93xx-spi.0",
+	.dev_id = "spi0",
 	.table = {
 		/* DIO_17 */
 		GPIO_LOOKUP("F", 2, "cs", GPIO_ACTIVE_LOW),
diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c b/arch/arm/mach-ep93xx/vision_ep9307.c
index a88a1d807b32..cbcba3136d74 100644
--- a/arch/arm/mach-ep93xx/vision_ep9307.c
+++ b/arch/arm/mach-ep93xx/vision_ep9307.c
@@ -242,7 +242,7 @@ static struct spi_board_info vision_spi_board_info[] __initdata = {
 };
 
 static struct gpiod_lookup_table vision_spi_cs_gpio_table = {
-	.dev_id = "ep93xx-spi.0",
+	.dev_id = "spi0",
 	.table = {
 		GPIO_LOOKUP_IDX("A", 6, "cs", 0, GPIO_ACTIVE_LOW),
 		GPIO_LOOKUP_IDX("A", 7, "cs", 1, GPIO_ACTIVE_LOW),
diff --git a/arch/arm/mach-omap2/.gitignore b/arch/arm/mach-omap2/.gitignore
new file mode 100644
index 000000000000..79a8d6ea7152
--- /dev/null
+++ b/arch/arm/mach-omap2/.gitignore
@@ -0,0 +1 @@
+pm-asm-offsets.h
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 85d1b13c9215..26baeb6477af 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -236,9 +236,10 @@ obj-y					+= omap_phy_internal.o
 
 obj-$(CONFIG_MACH_OMAP2_TUSB6010)	+= usb-tusb6010.o
 
-include/generated/ti-pm-asm-offsets.h: arch/arm/mach-omap2/pm-asm-offsets.s FORCE
+$(obj)/pm-asm-offsets.h: $(obj)/pm-asm-offsets.s FORCE
 	$(call filechk,offsets,__TI_PM_ASM_OFFSETS_H__)
 
-$(obj)/sleep33xx.o $(obj)/sleep43xx.o: include/generated/ti-pm-asm-offsets.h
+$(obj)/sleep33xx.o $(obj)/sleep43xx.o: $(obj)/pm-asm-offsets.h
 
 targets += pm-asm-offsets.s
+clean-files += pm-asm-offsets.h
diff --git a/arch/arm/mach-omap2/sleep33xx.S b/arch/arm/mach-omap2/sleep33xx.S
index 47a816468cdb..a003769121aa 100644
--- a/arch/arm/mach-omap2/sleep33xx.S
+++ b/arch/arm/mach-omap2/sleep33xx.S
@@ -6,7 +6,6 @@
  *	Dave Gerlach, Vaibhav Bedia
  */
 
-#include <generated/ti-pm-asm-offsets.h>
 #include <linux/linkage.h>
 #include <linux/platform_data/pm33xx.h>
 #include <linux/ti-emif-sram.h>
@@ -15,6 +14,7 @@
 
 #include "iomap.h"
 #include "cm33xx.h"
+#include "pm-asm-offsets.h"
 
 #define AM33XX_CM_CLKCTRL_MODULESTATE_DISABLED			0x00030000
 #define AM33XX_CM_CLKCTRL_MODULEMODE_DISABLE			0x0003
diff --git a/arch/arm/mach-omap2/sleep43xx.S b/arch/arm/mach-omap2/sleep43xx.S
index 0c1031442571..27b13d47cf19 100644
--- a/arch/arm/mach-omap2/sleep43xx.S
+++ b/arch/arm/mach-omap2/sleep43xx.S
@@ -6,7 +6,6 @@
  *	Dave Gerlach, Vaibhav Bedia
  */
 
-#include <generated/ti-pm-asm-offsets.h>
 #include <linux/linkage.h>
 #include <linux/ti-emif-sram.h>
 #include <linux/platform_data/pm33xx.h>
@@ -19,6 +18,7 @@
 #include "iomap.h"
 #include "omap-secure.h"
 #include "omap44xx.h"
+#include "pm-asm-offsets.h"
 #include "prm33xx.h"
 #include "prcm43xx.h"
 
diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c
index a7cfe07156f4..e65ee8180c35 100644
--- a/arch/arm/mach-zynq/platsmp.c
+++ b/arch/arm/mach-zynq/platsmp.c
@@ -57,7 +57,7 @@ int zynq_cpun_start(u32 address, int cpu)
 			* 0x4: Jump by mov instruction
 			* 0x8: Jumping address
 			*/
-			memcpy((__force void *)zero, &zynq_secondary_trampoline,
+			memcpy_toio(zero, &zynq_secondary_trampoline,
 							trampoline_size);
 			writel(address, zero + trampoline_size);
 
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index 61d834157bc0..382e1c2855e8 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -42,6 +42,7 @@ static void mc_copy_user_page(void *from, void *to)
 	 * when prefetching destination as well.  (NP)
 	 */
 	asm volatile ("\
+.arch xscale					\n\
 	pld	[%0, #0]			\n\
 	pld	[%0, #32]			\n\
 	pld	[%1, #0]			\n\
@@ -106,8 +107,9 @@ void
 xscale_mc_clear_user_highpage(struct page *page, unsigned long vaddr)
 {
 	void *ptr, *kaddr = kmap_atomic(page);
-	asm volatile(
-	"mov	r1, %2				\n\
+	asm volatile("\
+.arch xscale					\n\
+	mov	r1, %2				\n\
 	mov	r2, #0				\n\
 	mov	r3, #0				\n\
 1:	mov	ip, %0				\n\
diff --git a/arch/arm/plat-samsung/watchdog-reset.c b/arch/arm/plat-samsung/watchdog-reset.c
index ce42cc640a61..71d85ff323f7 100644
--- a/arch/arm/plat-samsung/watchdog-reset.c
+++ b/arch/arm/plat-samsung/watchdog-reset.c
@@ -62,6 +62,7 @@ void samsung_wdt_reset(void)
 #ifdef CONFIG_OF
 static const struct of_device_id s3c2410_wdt_match[] = {
 	{ .compatible = "samsung,s3c2410-wdt" },
+	{ .compatible = "samsung,s3c6410-wdt" },
 	{},
 };
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 994468671b19..f911bd36c6d0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -800,6 +800,7 @@
 			 <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
 		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
 		fifo-depth = <0x100>;
+		max-frequency = <150000000>;
 		status = "disabled";
 	};
 
@@ -811,6 +812,7 @@
 			 <&cru SCLK_SDIO_DRV>, <&cru SCLK_SDIO_SAMPLE>;
 		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
 		fifo-depth = <0x100>;
+		max-frequency = <150000000>;
 		status = "disabled";
 	};
 
@@ -822,6 +824,7 @@
 			 <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
 		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
 		fifo-depth = <0x100>;
+		max-frequency = <150000000>;
 		status = "disabled";
 	};
 
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index e7d46631cc42..b1454d117cd2 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -51,14 +51,6 @@
 #define MIDR_CPU_MODEL_MASK (MIDR_IMPLEMENTOR_MASK | MIDR_PARTNUM_MASK | \
 			     MIDR_ARCHITECTURE_MASK)
 
-#define MIDR_IS_CPU_MODEL_RANGE(midr, model, rv_min, rv_max)		\
-({									\
-	u32 _model = (midr) & MIDR_CPU_MODEL_MASK;			\
-	u32 rv = (midr) & (MIDR_REVISION_MASK | MIDR_VARIANT_MASK);	\
-									\
-	_model == (model) && rv >= (rv_min) && rv <= (rv_max);		\
- })
-
 #define ARM_CPU_IMP_ARM			0x41
 #define ARM_CPU_IMP_APM			0x50
 #define ARM_CPU_IMP_CAVIUM		0x43
@@ -159,10 +151,19 @@ struct midr_range {
 #define MIDR_REV(m, v, r) MIDR_RANGE(m, v, r, v, r)
 #define MIDR_ALL_VERSIONS(m) MIDR_RANGE(m, 0, 0, 0xf, 0xf)
 
+static inline bool midr_is_cpu_model_range(u32 midr, u32 model, u32 rv_min,
+					   u32 rv_max)
+{
+	u32 _model = midr & MIDR_CPU_MODEL_MASK;
+	u32 rv = midr & (MIDR_REVISION_MASK | MIDR_VARIANT_MASK);
+
+	return _model == model && rv >= rv_min && rv <= rv_max;
+}
+
 static inline bool is_midr_in_range(u32 midr, struct midr_range const *range)
 {
-	return MIDR_IS_CPU_MODEL_RANGE(midr, range->model,
-				 range->rv_min, range->rv_max);
+	return midr_is_cpu_model_range(midr, range->model,
+				       range->rv_min, range->rv_max);
 }
 
 static inline bool
diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h
index ed57b760f38c..a17393ff6677 100644
--- a/arch/arm64/include/asm/exception.h
+++ b/arch/arm64/include/asm/exception.h
@@ -30,4 +30,6 @@ static inline u32 disr_to_esr(u64 disr)
 	return esr;
 }
 
+asmlinkage void enter_from_user_mode(void);
+
 #endif	/* __ASM_EXCEPTION_H */
diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index 8af7a85f76bd..bc3949064725 100644
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h
@@ -251,6 +251,7 @@ static inline void __flush_tlb_kernel_pgtable(unsigned long kaddr)
 	dsb(ishst);
 	__tlbi(vaae1is, addr);
 	dsb(ish);
+	isb();
 }
 #endif
 
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 68faf535f40a..d3fbb89a31e5 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -894,7 +894,7 @@ static bool has_no_hw_prefetch(const struct arm64_cpu_capabilities *entry, int _
 	u32 midr = read_cpuid_id();
 
 	/* Cavium ThunderX pass 1.x and 2.x */
-	return MIDR_IS_CPU_MODEL_RANGE(midr, MIDR_THUNDERX,
+	return midr_is_cpu_model_range(midr, MIDR_THUNDERX,
 		MIDR_CPU_VAR_REV(0, 0),
 		MIDR_CPU_VAR_REV(1, MIDR_REVISION_MASK));
 }
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 320a30dbe35e..84a822748c84 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -30,9 +30,9 @@
  * Context tracking subsystem.  Used to instrument transitions
  * between user and kernel mode.
  */
-	.macro ct_user_exit
+	.macro ct_user_exit_irqoff
 #ifdef CONFIG_CONTEXT_TRACKING
-	bl	context_tracking_user_exit
+	bl	enter_from_user_mode
 #endif
 	.endm
 
@@ -792,8 +792,8 @@ el0_cp15:
 	/*
 	 * Trapped CP15 (MRC, MCR, MRRC, MCRR) instructions
 	 */
+	ct_user_exit_irqoff
 	enable_daif
-	ct_user_exit
 	mov	x0, x25
 	mov	x1, sp
 	bl	do_cp15instr
@@ -805,8 +805,8 @@ el0_da:
 	 * Data abort handling
 	 */
 	mrs	x26, far_el1
+	ct_user_exit_irqoff
 	enable_daif
-	ct_user_exit
 	clear_address_tag x0, x26
 	mov	x1, x25
 	mov	x2, sp
@@ -818,11 +818,11 @@ el0_ia:
 	 */
 	mrs	x26, far_el1
 	gic_prio_kentry_setup tmp=x0
+	ct_user_exit_irqoff
 	enable_da_f
 #ifdef CONFIG_TRACE_IRQFLAGS
 	bl	trace_hardirqs_off
 #endif
-	ct_user_exit
 	mov	x0, x26
 	mov	x1, x25
 	mov	x2, sp
@@ -832,8 +832,8 @@ el0_fpsimd_acc:
 	/*
 	 * Floating Point or Advanced SIMD access
 	 */
+	ct_user_exit_irqoff
 	enable_daif
-	ct_user_exit
 	mov	x0, x25
 	mov	x1, sp
 	bl	do_fpsimd_acc
@@ -842,8 +842,8 @@ el0_sve_acc:
 	/*
 	 * Scalable Vector Extension access
 	 */
+	ct_user_exit_irqoff
 	enable_daif
-	ct_user_exit
 	mov	x0, x25
 	mov	x1, sp
 	bl	do_sve_acc
@@ -852,8 +852,8 @@ el0_fpsimd_exc:
 	/*
 	 * Floating Point, Advanced SIMD or SVE exception
 	 */
+	ct_user_exit_irqoff
 	enable_daif
-	ct_user_exit
 	mov	x0, x25
 	mov	x1, sp
 	bl	do_fpsimd_exc
@@ -868,11 +868,11 @@ el0_sp_pc:
 	 * Stack or PC alignment exception handling
 	 */
 	gic_prio_kentry_setup tmp=x0
+	ct_user_exit_irqoff
 	enable_da_f
 #ifdef CONFIG_TRACE_IRQFLAGS
 	bl	trace_hardirqs_off
 #endif
-	ct_user_exit
 	mov	x0, x26
 	mov	x1, x25
 	mov	x2, sp
@@ -882,8 +882,8 @@ el0_undef:
 	/*
 	 * Undefined instruction
 	 */
+	ct_user_exit_irqoff
 	enable_daif
-	ct_user_exit
 	mov	x0, sp
 	bl	do_undefinstr
 	b	ret_to_user
@@ -891,8 +891,8 @@ el0_sys:
 	/*
 	 * System instructions, for trapped cache maintenance instructions
 	 */
+	ct_user_exit_irqoff
 	enable_daif
-	ct_user_exit
 	mov	x0, x25
 	mov	x1, sp
 	bl	do_sysinstr
@@ -902,17 +902,18 @@ el0_dbg:
 	 * Debug exception handling
 	 */
 	tbnz	x24, #0, el0_inv		// EL0 only
+	mrs	x24, far_el1
 	gic_prio_kentry_setup tmp=x3
-	mrs	x0, far_el1
+	ct_user_exit_irqoff
+	mov	x0, x24
 	mov	x1, x25
 	mov	x2, sp
 	bl	do_debug_exception
 	enable_da_f
-	ct_user_exit
 	b	ret_to_user
 el0_inv:
+	ct_user_exit_irqoff
 	enable_daif
-	ct_user_exit
 	mov	x0, sp
 	mov	x1, #BAD_SYNC
 	mov	x2, x25
@@ -925,13 +926,13 @@ el0_irq:
 	kernel_entry 0
 el0_irq_naked:
 	gic_prio_irq_setup pmr=x20, tmp=x0
+	ct_user_exit_irqoff
 	enable_da_f
 
 #ifdef CONFIG_TRACE_IRQFLAGS
 	bl	trace_hardirqs_off
 #endif
 
-	ct_user_exit
 #ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
 	tbz	x22, #55, 1f
 	bl	do_el0_irq_bp_hardening
@@ -958,13 +959,14 @@ ENDPROC(el1_error)
 el0_error:
 	kernel_entry 0
 el0_error_naked:
-	mrs	x1, esr_el1
+	mrs	x25, esr_el1
 	gic_prio_kentry_setup tmp=x2
+	ct_user_exit_irqoff
 	enable_dbg
 	mov	x0, sp
+	mov	x1, x25
 	bl	do_serror
 	enable_da_f
-	ct_user_exit
 	b	ret_to_user
 ENDPROC(el0_error)
 
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
new file mode 100644
index 000000000000..25a2a9b479c2
--- /dev/null
+++ b/arch/arm64/kernel/image-vars.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Linker script variables to be set after section resolution, as
+ * ld.lld does not like variables assigned before SECTIONS is processed.
+ */
+#ifndef __ARM64_KERNEL_IMAGE_VARS_H
+#define __ARM64_KERNEL_IMAGE_VARS_H
+
+#ifndef LINKER_SCRIPT
+#error This file should only be included in vmlinux.lds.S
+#endif
+
+#ifdef CONFIG_EFI
+
+__efistub_stext_offset = stext - _text;
+
+/*
+ * The EFI stub has its own symbol namespace prefixed by __efistub_, to
+ * isolate it from the kernel proper. The following symbols are legally
+ * accessed by the stub, so provide some aliases to make them accessible.
+ * Only include data symbols here, or text symbols of functions that are
+ * guaranteed to be safe when executed at another offset than they were
+ * linked at. The routines below are all implemented in assembler in a
+ * position independent manner
+ */
+__efistub_memcmp		= __pi_memcmp;
+__efistub_memchr		= __pi_memchr;
+__efistub_memcpy		= __pi_memcpy;
+__efistub_memmove		= __pi_memmove;
+__efistub_memset		= __pi_memset;
+__efistub_strlen		= __pi_strlen;
+__efistub_strnlen		= __pi_strnlen;
+__efistub_strcmp		= __pi_strcmp;
+__efistub_strncmp		= __pi_strncmp;
+__efistub_strrchr		= __pi_strrchr;
+__efistub___flush_dcache_area	= __pi___flush_dcache_area;
+
+#ifdef CONFIG_KASAN
+__efistub___memcpy		= __pi_memcpy;
+__efistub___memmove		= __pi_memmove;
+__efistub___memset		= __pi_memset;
+#endif
+
+__efistub__text			= _text;
+__efistub__end			= _end;
+__efistub__edata		= _edata;
+__efistub_screen_info		= screen_info;
+
+#endif
+
+#endif /* __ARM64_KERNEL_IMAGE_VARS_H */
diff --git a/arch/arm64/kernel/image.h b/arch/arm64/kernel/image.h
index 2b85c0d6fa3d..c7d38c660372 100644
--- a/arch/arm64/kernel/image.h
+++ b/arch/arm64/kernel/image.h
@@ -65,46 +65,4 @@
 	DEFINE_IMAGE_LE64(_kernel_offset_le, TEXT_OFFSET);	\
 	DEFINE_IMAGE_LE64(_kernel_flags_le, __HEAD_FLAGS);
 
-#ifdef CONFIG_EFI
-
-/*
- * Use ABSOLUTE() to avoid ld.lld treating this as a relative symbol:
- * https://github.com/ClangBuiltLinux/linux/issues/561
- */
-__efistub_stext_offset = ABSOLUTE(stext - _text);
-
-/*
- * The EFI stub has its own symbol namespace prefixed by __efistub_, to
- * isolate it from the kernel proper. The following symbols are legally
- * accessed by the stub, so provide some aliases to make them accessible.
- * Only include data symbols here, or text symbols of functions that are
- * guaranteed to be safe when executed at another offset than they were
- * linked at. The routines below are all implemented in assembler in a
- * position independent manner
- */
-__efistub_memcmp		= __pi_memcmp;
-__efistub_memchr		= __pi_memchr;
-__efistub_memcpy		= __pi_memcpy;
-__efistub_memmove		= __pi_memmove;
-__efistub_memset		= __pi_memset;
-__efistub_strlen		= __pi_strlen;
-__efistub_strnlen		= __pi_strnlen;
-__efistub_strcmp		= __pi_strcmp;
-__efistub_strncmp		= __pi_strncmp;
-__efistub_strrchr		= __pi_strrchr;
-__efistub___flush_dcache_area	= __pi___flush_dcache_area;
-
-#ifdef CONFIG_KASAN
-__efistub___memcpy		= __pi_memcpy;
-__efistub___memmove		= __pi_memmove;
-__efistub___memset		= __pi_memset;
-#endif
-
-__efistub__text			= _text;
-__efistub__end			= _end;
-__efistub__edata		= _edata;
-__efistub_screen_info		= screen_info;
-
-#endif
-
 #endif /* __ARM64_KERNEL_IMAGE_H */
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index 985721a1264c..b6706a886037 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -7,9 +7,11 @@
  */
 
 #include <linux/bug.h>
+#include <linux/context_tracking.h>
 #include <linux/signal.h>
 #include <linux/personality.h>
 #include <linux/kallsyms.h>
+#include <linux/kprobes.h>
 #include <linux/spinlock.h>
 #include <linux/uaccess.h>
 #include <linux/hardirq.h>
@@ -905,6 +907,13 @@ asmlinkage void do_serror(struct pt_regs *regs, unsigned int esr)
 		nmi_exit();
 }
 
+asmlinkage void enter_from_user_mode(void)
+{
+	CT_WARN_ON(ct_state() != CONTEXT_USER);
+	user_exit_irqoff();
+}
+NOKPROBE_SYMBOL(enter_from_user_mode);
+
 void __pte_error(const char *file, int line, unsigned long val)
 {
 	pr_err("%s:%d: bad pte %016lx.\n", file, line, val);
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 7fa008374907..803b24d2464a 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -245,6 +245,8 @@ SECTIONS
 	HEAD_SYMBOLS
 }
 
+#include "image-vars.h"
+
 /*
  * The HYP init code and ID map text can't be longer than a page each,
  * and should not cross a page boundary.
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index f3c795278def..b1ee6cb4b17f 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -570,8 +570,12 @@ void free_initmem(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 void __init free_initrd_mem(unsigned long start, unsigned long end)
 {
+	unsigned long aligned_start, aligned_end;
+
+	aligned_start = __virt_to_phys(start) & PAGE_MASK;
+	aligned_end = PAGE_ALIGN(__virt_to_phys(end));
+	memblock_free(aligned_start, aligned_end - aligned_start);
 	free_reserved_area((void *)start, (void *)end, 0, "initrd");
-	memblock_free(__virt_to_phys(start), end - start);
 }
 #endif
 
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 7dbf2be470f6..28a8f7b87ff0 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -286,6 +286,15 @@ skip_pgd:
 	msr	sctlr_el1, x18
 	isb
 
+	/*
+	 * Invalidate the local I-cache so that any instructions fetched
+	 * speculatively from the PoC are discarded, since they may have
+	 * been dynamically patched at the PoU.
+	 */
+	ic	iallu
+	dsb	nsh
+	isb
+
 	/* Set the flag to zero to indicate that we're all done */
 	str	wzr, [flag_ptr]
 	ret
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 326448f9df16..1a42ba885188 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -914,10 +914,14 @@ module_finalize (const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mo
 void
 module_arch_cleanup (struct module *mod)
 {
-	if (mod->arch.init_unw_table)
+	if (mod->arch.init_unw_table) {
 		unw_remove_unwind_table(mod->arch.init_unw_table);
-	if (mod->arch.core_unw_table)
+		mod->arch.init_unw_table = NULL;
+	}
+	if (mod->arch.core_unw_table) {
 		unw_remove_unwind_table(mod->arch.core_unw_table);
+		mod->arch.core_unw_table = NULL;
+	}
 }
 
 void *dereference_module_function_descriptor(struct module *mod, void *ptr)
diff --git a/arch/m68k/include/asm/atarihw.h b/arch/m68k/include/asm/atarihw.h
index 533008262b69..5e5601c382b8 100644
--- a/arch/m68k/include/asm/atarihw.h
+++ b/arch/m68k/include/asm/atarihw.h
@@ -22,7 +22,6 @@
 
 #include <linux/types.h>
 #include <asm/bootinfo-atari.h>
-#include <asm/raw_io.h>
 #include <asm/kmap.h>
 
 extern u_long atari_mch_cookie;
@@ -132,14 +131,6 @@ extern struct atari_hw_present atari_hw_present;
  */
 
 
-#define atari_readb   raw_inb
-#define atari_writeb  raw_outb
-
-#define atari_inb_p   raw_inb
-#define atari_outb_p  raw_outb
-
-
-
 #include <linux/mm.h>
 #include <asm/cacheflush.h>
 
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h
index 6c03ca5bc436..819f611dccf2 100644
--- a/arch/m68k/include/asm/io_mm.h
+++ b/arch/m68k/include/asm/io_mm.h
@@ -29,7 +29,11 @@
 #include <asm-generic/iomap.h>
 
 #ifdef CONFIG_ATARI
-#include <asm/atarihw.h>
+#define atari_readb   raw_inb
+#define atari_writeb  raw_outb
+
+#define atari_inb_p   raw_inb
+#define atari_outb_p  raw_outb
 #endif
 
 
diff --git a/arch/m68k/include/asm/macintosh.h b/arch/m68k/include/asm/macintosh.h
index d9a08bed4b12..f653b60f2afc 100644
--- a/arch/m68k/include/asm/macintosh.h
+++ b/arch/m68k/include/asm/macintosh.h
@@ -4,6 +4,7 @@
 
 #include <linux/seq_file.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/bootinfo-mac.h>
 
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index c345b79414a9..403f7e193833 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -39,13 +39,11 @@ endif
 uname := $(shell uname -m)
 KBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname)),$(uname),ppc64)_defconfig
 
-ifdef CONFIG_PPC64
 new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi)
 
 ifeq ($(new_nm),y)
 NM		:= $(NM) --synthetic
 endif
-endif
 
 # BITS is used as extension for files which are available in a 32 bit
 # and a 64 bit version to simplify shared Makefiles.
diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c
index 186109bdd41b..e04b20625cb9 100644
--- a/arch/powerpc/platforms/powernv/opal-imc.c
+++ b/arch/powerpc/platforms/powernv/opal-imc.c
@@ -53,9 +53,9 @@ static void export_imc_mode_and_cmd(struct device_node *node,
 				    struct imc_pmu *pmu_ptr)
 {
 	static u64 loc, *imc_mode_addr, *imc_cmd_addr;
-	int chip = 0, nid;
 	char mode[16], cmd[16];
 	u32 cb_offset;
+	struct imc_mem_info *ptr = pmu_ptr->mem_info;
 
 	imc_debugfs_parent = debugfs_create_dir("imc", powerpc_debugfs_root);
 
@@ -69,20 +69,20 @@ static void export_imc_mode_and_cmd(struct device_node *node,
 	if (of_property_read_u32(node, "cb_offset", &cb_offset))
 		cb_offset = IMC_CNTL_BLK_OFFSET;
 
-	for_each_node(nid) {
-		loc = (u64)(pmu_ptr->mem_info[chip].vbase) + cb_offset;
+	while (ptr->vbase != NULL) {
+		loc = (u64)(ptr->vbase) + cb_offset;
 		imc_mode_addr = (u64 *)(loc + IMC_CNTL_BLK_MODE_OFFSET);
-		sprintf(mode, "imc_mode_%d", nid);
+		sprintf(mode, "imc_mode_%d", (u32)(ptr->id));
 		if (!imc_debugfs_create_x64(mode, 0600, imc_debugfs_parent,
 					    imc_mode_addr))
 			goto err;
 
 		imc_cmd_addr = (u64 *)(loc + IMC_CNTL_BLK_CMD_OFFSET);
-		sprintf(cmd, "imc_cmd_%d", nid);
+		sprintf(cmd, "imc_cmd_%d", (u32)(ptr->id));
 		if (!imc_debugfs_create_x64(cmd, 0600, imc_debugfs_parent,
 					    imc_cmd_addr))
 			goto err;
-		chip++;
+		ptr++;
 	}
 	return;
 
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index d00f84add5f4..6d2dbb5089d5 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -586,6 +586,9 @@ static int xts_aes_encrypt(struct blkcipher_desc *desc,
 	struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
+	if (!nbytes)
+		return -EINVAL;
+
 	if (unlikely(!xts_ctx->fc))
 		return xts_fallback_encrypt(desc, dst, src, nbytes);
 
@@ -600,6 +603,9 @@ static int xts_aes_decrypt(struct blkcipher_desc *desc,
 	struct s390_xts_ctx *xts_ctx = crypto_blkcipher_ctx(desc->tfm);
 	struct blkcipher_walk walk;
 
+	if (!nbytes)
+		return -EINVAL;
+
 	if (unlikely(!xts_ctx->fc))
 		return xts_fallback_decrypt(desc, dst, src, nbytes);
 
diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h
index 70d87db54e62..4c0690fc5167 100644
--- a/arch/s390/include/asm/string.h
+++ b/arch/s390/include/asm/string.h
@@ -71,11 +71,16 @@ extern void *__memmove(void *dest, const void *src, size_t n);
 #define memcpy(dst, src, len) __memcpy(dst, src, len)
 #define memmove(dst, src, len) __memmove(dst, src, len)
 #define memset(s, c, n) __memset(s, c, n)
+#define strlen(s) __strlen(s)
+
+#define __no_sanitize_prefix_strfunc(x) __##x
 
 #ifndef __NO_FORTIFY
 #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
 #endif
 
+#else
+#define __no_sanitize_prefix_strfunc(x) x
 #endif /* defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) */
 
 void *__memset16(uint16_t *s, uint16_t v, size_t count);
@@ -163,8 +168,8 @@ static inline char *strcpy(char *dst, const char *src)
 }
 #endif
 
-#ifdef __HAVE_ARCH_STRLEN
-static inline size_t strlen(const char *s)
+#if defined(__HAVE_ARCH_STRLEN) || (defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__))
+static inline size_t __no_sanitize_prefix_strfunc(strlen)(const char *s)
 {
 	register unsigned long r0 asm("0") = 0;
 	const char *tmp = s;
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index f60ddd655c78..82a57d344b9b 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -58,6 +58,9 @@
 #define INTEL_FAM6_ICELAKE_MOBILE	0x7E
 #define INTEL_FAM6_ICELAKE_NNPI		0x9D
 
+#define INTEL_FAM6_TIGERLAKE_L		0x8C
+#define INTEL_FAM6_TIGERLAKE		0x8D
+
 /* "Small Core" Processors (Atom) */
 
 #define INTEL_FAM6_ATOM_BONNELL		0x1C /* Diamondville, Pineview */
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 65d49452e6e0..6d02a0c3fe92 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1576,6 +1576,13 @@ bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq,
 void kvm_set_msi_irq(struct kvm *kvm, struct kvm_kernel_irq_routing_entry *e,
 		     struct kvm_lapic_irq *irq);
 
+static inline bool kvm_irq_is_postable(struct kvm_lapic_irq *irq)
+{
+	/* We can only post Fixed and LowPrio IRQs */
+	return (irq->delivery_mode == dest_Fixed ||
+		irq->delivery_mode == dest_LowestPrio);
+}
+
 static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu)
 {
 	if (kvm_x86_ops->vcpu_blocking)
diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
index 002aedc69393..8c26b696d893 100644
--- a/arch/x86/kernel/amd_nb.c
+++ b/arch/x86/kernel/amd_nb.c
@@ -21,6 +21,7 @@
 #define PCI_DEVICE_ID_AMD_17H_DF_F4	0x1464
 #define PCI_DEVICE_ID_AMD_17H_M10H_DF_F4 0x15ec
 #define PCI_DEVICE_ID_AMD_17H_M30H_DF_F4 0x1494
+#define PCI_DEVICE_ID_AMD_17H_M70H_DF_F4 0x1444
 
 /* Protect the PCI config register pairs used for SMN and DF indirect access. */
 static DEFINE_MUTEX(smn_mutex);
@@ -50,6 +51,7 @@ const struct pci_device_id amd_nb_misc_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M10H_DF_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M30H_DF_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F3) },
 	{}
 };
 EXPORT_SYMBOL_GPL(amd_nb_misc_ids);
@@ -63,6 +65,7 @@ static const struct pci_device_id amd_nb_link_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_DF_F4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M10H_DF_F4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M30H_DF_F4) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CNB17H_F4) },
 	{}
 };
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 2f067b443326..a18d6dd934e5 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1462,54 +1462,72 @@ static void lapic_setup_esr(void)
 			oldvalue, value);
 }
 
-static void apic_pending_intr_clear(void)
+#define APIC_IR_REGS		APIC_ISR_NR
+#define APIC_IR_BITS		(APIC_IR_REGS * 32)
+#define APIC_IR_MAPSIZE		(APIC_IR_BITS / BITS_PER_LONG)
+
+union apic_ir {
+	unsigned long	map[APIC_IR_MAPSIZE];
+	u32		regs[APIC_IR_REGS];
+};
+
+static bool apic_check_and_ack(union apic_ir *irr, union apic_ir *isr)
 {
-	long long max_loops = cpu_khz ? cpu_khz : 1000000;
-	unsigned long long tsc = 0, ntsc;
-	unsigned int queued;
-	unsigned long value;
-	int i, j, acked = 0;
+	int i, bit;
+
+	/* Read the IRRs */
+	for (i = 0; i < APIC_IR_REGS; i++)
+		irr->regs[i] = apic_read(APIC_IRR + i * 0x10);
+
+	/* Read the ISRs */
+	for (i = 0; i < APIC_IR_REGS; i++)
+		isr->regs[i] = apic_read(APIC_ISR + i * 0x10);
 
-	if (boot_cpu_has(X86_FEATURE_TSC))
-		tsc = rdtsc();
 	/*
-	 * After a crash, we no longer service the interrupts and a pending
-	 * interrupt from previous kernel might still have ISR bit set.
-	 *
-	 * Most probably by now CPU has serviced that pending interrupt and
-	 * it might not have done the ack_APIC_irq() because it thought,
-	 * interrupt came from i8259 as ExtInt. LAPIC did not get EOI so it
-	 * does not clear the ISR bit and cpu thinks it has already serivced
-	 * the interrupt. Hence a vector might get locked. It was noticed
-	 * for timer irq (vector 0x31). Issue an extra EOI to clear ISR.
+	 * If the ISR map is not empty. ACK the APIC and run another round
+	 * to verify whether a pending IRR has been unblocked and turned
+	 * into a ISR.
 	 */
-	do {
-		queued = 0;
-		for (i = APIC_ISR_NR - 1; i >= 0; i--)
-			queued |= apic_read(APIC_IRR + i*0x10);
-
-		for (i = APIC_ISR_NR - 1; i >= 0; i--) {
-			value = apic_read(APIC_ISR + i*0x10);
-			for_each_set_bit(j, &value, 32) {
-				ack_APIC_irq();
-				acked++;
-			}
-		}
-		if (acked > 256) {
-			pr_err("LAPIC pending interrupts after %d EOI\n", acked);
-			break;
-		}
-		if (queued) {
-			if (boot_cpu_has(X86_FEATURE_TSC) && cpu_khz) {
-				ntsc = rdtsc();
-				max_loops = (long long)cpu_khz << 10;
-				max_loops -= ntsc - tsc;
-			} else {
-				max_loops--;
-			}
-		}
-	} while (queued && max_loops > 0);
-	WARN_ON(max_loops <= 0);
+	if (!bitmap_empty(isr->map, APIC_IR_BITS)) {
+		/*
+		 * There can be multiple ISR bits set when a high priority
+		 * interrupt preempted a lower priority one. Issue an ACK
+		 * per set bit.
+		 */
+		for_each_set_bit(bit, isr->map, APIC_IR_BITS)
+			ack_APIC_irq();
+		return true;
+	}
+
+	return !bitmap_empty(irr->map, APIC_IR_BITS);
+}
+
+/*
+ * After a crash, we no longer service the interrupts and a pending
+ * interrupt from previous kernel might still have ISR bit set.
+ *
+ * Most probably by now the CPU has serviced that pending interrupt and it
+ * might not have done the ack_APIC_irq() because it thought, interrupt
+ * came from i8259 as ExtInt. LAPIC did not get EOI so it does not clear
+ * the ISR bit and cpu thinks it has already serivced the interrupt. Hence
+ * a vector might get locked. It was noticed for timer irq (vector
+ * 0x31). Issue an extra EOI to clear ISR.
+ *
+ * If there are pending IRR bits they turn into ISR bits after a higher
+ * priority ISR bit has been acked.
+ */
+static void apic_pending_intr_clear(void)
+{
+	union apic_ir irr, isr;
+	unsigned int i;
+
+	/* 512 loops are way oversized and give the APIC a chance to obey. */
+	for (i = 0; i < 512; i++) {
+		if (!apic_check_and_ack(&irr, &isr))
+			return;
+	}
+	/* Dump the IRR/ISR content if that failed */
+	pr_warn("APIC: Stale IRR: %256pb ISR: %256pb\n", irr.map, isr.map);
 }
 
 /**
@@ -1532,6 +1550,14 @@ static void setup_local_APIC(void)
 		return;
 	}
 
+	/*
+	 * If this comes from kexec/kcrash the APIC might be enabled in
+	 * SPIV. Soft disable it before doing further initialization.
+	 */
+	value = apic_read(APIC_SPIV);
+	value &= ~APIC_SPIV_APIC_ENABLED;
+	apic_write(APIC_SPIV, value);
+
 #ifdef CONFIG_X86_32
 	/* Pound the ESR really hard over the head with a big hammer - mbligh */
 	if (lapic_is_integrated() && apic->disable_esr) {
@@ -1577,6 +1603,7 @@ static void setup_local_APIC(void)
 	value &= ~APIC_TPRI_MASK;
 	apic_write(APIC_TASKPRI, value);
 
+	/* Clear eventually stale ISR/IRR bits */
 	apic_pending_intr_clear();
 
 	/*
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index fdacb864c3dd..2c5676b0a6e7 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -398,6 +398,17 @@ static int activate_reserved(struct irq_data *irqd)
 		if (!irqd_can_reserve(irqd))
 			apicd->can_reserve = false;
 	}
+
+	/*
+	 * Check to ensure that the effective affinity mask is a subset
+	 * the user supplied affinity mask, and warn the user if it is not
+	 */
+	if (!cpumask_subset(irq_data_get_effective_affinity_mask(irqd),
+			    irq_data_get_affinity_mask(irqd))) {
+		pr_warn("irq %u: Affinity broken due to vector space exhaustion.\n",
+			irqd->irq);
+	}
+
 	return ret;
 }
 
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 4693e2f3a03e..f2a749586252 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -179,6 +179,12 @@ asmlinkage __visible void smp_reboot_interrupt(void)
 	irq_exit();
 }
 
+static int register_stop_handler(void)
+{
+	return register_nmi_handler(NMI_LOCAL, smp_stop_nmi_callback,
+				    NMI_FLAG_FIRST, "smp_stop");
+}
+
 static void native_stop_other_cpus(int wait)
 {
 	unsigned long flags;
@@ -212,39 +218,41 @@ static void native_stop_other_cpus(int wait)
 		apic->send_IPI_allbutself(REBOOT_VECTOR);
 
 		/*
-		 * Don't wait longer than a second if the caller
-		 * didn't ask us to wait.
+		 * Don't wait longer than a second for IPI completion. The
+		 * wait request is not checked here because that would
+		 * prevent an NMI shutdown attempt in case that not all
+		 * CPUs reach shutdown state.
 		 */
 		timeout = USEC_PER_SEC;
-		while (num_online_cpus() > 1 && (wait || timeout--))
+		while (num_online_cpus() > 1 && timeout--)
 			udelay(1);
 	}
-	
-	/* if the REBOOT_VECTOR didn't work, try with the NMI */
-	if ((num_online_cpus() > 1) && (!smp_no_nmi_ipi))  {
-		if (register_nmi_handler(NMI_LOCAL, smp_stop_nmi_callback,
-					 NMI_FLAG_FIRST, "smp_stop"))
-			/* Note: we ignore failures here */
-			/* Hope the REBOOT_IRQ is good enough */
-			goto finish;
-
-		/* sync above data before sending IRQ */
-		wmb();
 
-		pr_emerg("Shutting down cpus with NMI\n");
+	/* if the REBOOT_VECTOR didn't work, try with the NMI */
+	if (num_online_cpus() > 1) {
+		/*
+		 * If NMI IPI is enabled, try to register the stop handler
+		 * and send the IPI. In any case try to wait for the other
+		 * CPUs to stop.
+		 */
+		if (!smp_no_nmi_ipi && !register_stop_handler()) {
+			/* Sync above data before sending IRQ */
+			wmb();
 
-		apic->send_IPI_allbutself(NMI_VECTOR);
+			pr_emerg("Shutting down cpus with NMI\n");
 
+			apic->send_IPI_allbutself(NMI_VECTOR);
+		}
 		/*
-		 * Don't wait longer than a 10 ms if the caller
-		 * didn't ask us to wait.
+		 * Don't wait longer than 10 ms if the caller didn't
+		 * reqeust it. If wait is true, the machine hangs here if
+		 * one or more CPUs do not reach shutdown state.
 		 */
 		timeout = USEC_PER_MSEC * 10;
 		while (num_online_cpus() > 1 && (wait || timeout--))
 			udelay(1);
 	}
 
-finish:
 	local_irq_save(flags);
 	disable_local_APIC();
 	mcheck_cpu_clear(this_cpu_ptr(&cpu_info));
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 4a387a235424..2fe9912aeed7 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -5377,6 +5377,8 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len)
 					ctxt->memopp->addr.mem.ea + ctxt->_eip);
 
 done:
+	if (rc == X86EMUL_PROPAGATE_FAULT)
+		ctxt->have_exception = true;
 	return (rc != X86EMUL_CONTINUE) ? EMULATION_FAILED : EMULATION_OK;
 }
 
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 66055ca29b6b..3070b1dd923a 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -389,8 +389,6 @@ static void mark_mmio_spte(struct kvm_vcpu *vcpu, u64 *sptep, u64 gfn,
 	mask |= (gpa & shadow_nonpresent_or_rsvd_mask)
 		<< shadow_nonpresent_or_rsvd_mask_len;
 
-	page_header(__pa(sptep))->mmio_cached = true;
-
 	trace_mark_mmio_spte(sptep, gfn, access, gen);
 	mmu_spte_set(sptep, mask);
 }
@@ -5607,13 +5605,13 @@ slot_handle_leaf(struct kvm *kvm, struct kvm_memory_slot *memslot,
 				 PT_PAGE_TABLE_LEVEL, lock_flush_tlb);
 }
 
-static void free_mmu_pages(struct kvm_vcpu *vcpu)
+static void free_mmu_pages(struct kvm_mmu *mmu)
 {
-	free_page((unsigned long)vcpu->arch.mmu->pae_root);
-	free_page((unsigned long)vcpu->arch.mmu->lm_root);
+	free_page((unsigned long)mmu->pae_root);
+	free_page((unsigned long)mmu->lm_root);
 }
 
-static int alloc_mmu_pages(struct kvm_vcpu *vcpu)
+static int alloc_mmu_pages(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu)
 {
 	struct page *page;
 	int i;
@@ -5634,9 +5632,9 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu)
 	if (!page)
 		return -ENOMEM;
 
-	vcpu->arch.mmu->pae_root = page_address(page);
+	mmu->pae_root = page_address(page);
 	for (i = 0; i < 4; ++i)
-		vcpu->arch.mmu->pae_root[i] = INVALID_PAGE;
+		mmu->pae_root[i] = INVALID_PAGE;
 
 	return 0;
 }
@@ -5644,6 +5642,7 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu)
 int kvm_mmu_create(struct kvm_vcpu *vcpu)
 {
 	uint i;
+	int ret;
 
 	vcpu->arch.mmu = &vcpu->arch.root_mmu;
 	vcpu->arch.walk_mmu = &vcpu->arch.root_mmu;
@@ -5661,7 +5660,19 @@ int kvm_mmu_create(struct kvm_vcpu *vcpu)
 		vcpu->arch.guest_mmu.prev_roots[i] = KVM_MMU_ROOT_INFO_INVALID;
 
 	vcpu->arch.nested_mmu.translate_gpa = translate_nested_gpa;
-	return alloc_mmu_pages(vcpu);
+
+	ret = alloc_mmu_pages(vcpu, &vcpu->arch.guest_mmu);
+	if (ret)
+		return ret;
+
+	ret = alloc_mmu_pages(vcpu, &vcpu->arch.root_mmu);
+	if (ret)
+		goto fail_allocate_root;
+
+	return ret;
+ fail_allocate_root:
+	free_mmu_pages(&vcpu->arch.guest_mmu);
+	return ret;
 }
 
 
@@ -5939,7 +5950,7 @@ void kvm_mmu_slot_set_dirty(struct kvm *kvm,
 }
 EXPORT_SYMBOL_GPL(kvm_mmu_slot_set_dirty);
 
-static void __kvm_mmu_zap_all(struct kvm *kvm, bool mmio_only)
+void kvm_mmu_zap_all(struct kvm *kvm)
 {
 	struct kvm_mmu_page *sp, *node;
 	LIST_HEAD(invalid_list);
@@ -5948,14 +5959,10 @@ static void __kvm_mmu_zap_all(struct kvm *kvm, bool mmio_only)
 	spin_lock(&kvm->mmu_lock);
 restart:
 	list_for_each_entry_safe(sp, node, &kvm->arch.active_mmu_pages, link) {
-		if (mmio_only && !sp->mmio_cached)
-			continue;
 		if (sp->role.invalid && sp->root_count)
 			continue;
-		if (__kvm_mmu_prepare_zap_page(kvm, sp, &invalid_list, &ign)) {
-			WARN_ON_ONCE(mmio_only);
+		if (__kvm_mmu_prepare_zap_page(kvm, sp, &invalid_list, &ign))
 			goto restart;
-		}
 		if (cond_resched_lock(&kvm->mmu_lock))
 			goto restart;
 	}
@@ -5964,11 +5971,6 @@ static void __kvm_mmu_zap_all(struct kvm *kvm, bool mmio_only)
 	spin_unlock(&kvm->mmu_lock);
 }
 
-void kvm_mmu_zap_all(struct kvm *kvm)
-{
-	return __kvm_mmu_zap_all(kvm, false);
-}
-
 void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, u64 gen)
 {
 	WARN_ON(gen & KVM_MEMSLOT_GEN_UPDATE_IN_PROGRESS);
@@ -5990,7 +5992,7 @@ void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, u64 gen)
 	 */
 	if (unlikely(gen == 0)) {
 		kvm_debug_ratelimited("kvm: zapping shadow pages for mmio generation wraparound\n");
-		__kvm_mmu_zap_all(kvm, true);
+		kvm_mmu_zap_all_fast(kvm);
 	}
 }
 
@@ -6134,7 +6136,8 @@ unsigned long kvm_mmu_calculate_default_mmu_pages(struct kvm *kvm)
 void kvm_mmu_destroy(struct kvm_vcpu *vcpu)
 {
 	kvm_mmu_unload(vcpu);
-	free_mmu_pages(vcpu);
+	free_mmu_pages(&vcpu->arch.root_mmu);
+	free_mmu_pages(&vcpu->arch.guest_mmu);
 	mmu_free_memory_caches(vcpu);
 }
 
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 4ca86e70d3b4..ee7db075dd4d 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -5252,7 +5252,8 @@ get_pi_vcpu_info(struct kvm *kvm, struct kvm_kernel_irq_routing_entry *e,
 
 	kvm_set_msi_irq(kvm, e, &irq);
 
-	if (!kvm_intr_is_single_vcpu(kvm, &irq, &vcpu)) {
+	if (!kvm_intr_is_single_vcpu(kvm, &irq, &vcpu) ||
+	    !kvm_irq_is_postable(&irq)) {
 		pr_debug("SVM: %s: use legacy intr remap mode for irq %u\n",
 			 __func__, irq.vector);
 		return -1;
@@ -5306,6 +5307,7 @@ static int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
 		 * 1. When cannot target interrupt to a specific vcpu.
 		 * 2. Unsetting posted interrupt.
 		 * 3. APIC virtialization is disabled for the vcpu.
+		 * 4. IRQ has incompatible delivery mode (SMI, INIT, etc)
 		 */
 		if (!get_pi_vcpu_info(kvm, e, &vcpu_info, &svm) && set &&
 		    kvm_vcpu_apicv_active(&svm->vcpu)) {
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index d5c12d5a5905..e5fdd5f14c8e 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7325,10 +7325,14 @@ static int vmx_update_pi_irte(struct kvm *kvm, unsigned int host_irq,
 		 * irqbalance to make the interrupts single-CPU.
 		 *
 		 * We will support full lowest-priority interrupt later.
+		 *
+		 * In addition, we can only inject generic interrupts using
+		 * the PI mechanism, refuse to route others through it.
 		 */
 
 		kvm_set_msi_irq(kvm, e, &irq);
-		if (!kvm_intr_is_single_vcpu(kvm, &irq, &vcpu)) {
+		if (!kvm_intr_is_single_vcpu(kvm, &irq, &vcpu) ||
+		    !kvm_irq_is_postable(&irq)) {
 			/*
 			 * Make sure the IRTE is in remapped mode if
 			 * we don't handle it in posted mode.
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 4000bcff47b0..2c118c9da16c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -669,8 +669,14 @@ static int kvm_read_nested_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn,
 				       data, offset, len, access);
 }
 
+static inline u64 pdptr_rsvd_bits(struct kvm_vcpu *vcpu)
+{
+	return rsvd_bits(cpuid_maxphyaddr(vcpu), 63) | rsvd_bits(5, 8) |
+	       rsvd_bits(1, 2);
+}
+
 /*
- * Load the pae pdptrs.  Return true is they are all valid.
+ * Load the pae pdptrs.  Return 1 if they are all valid, 0 otherwise.
  */
 int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3)
 {
@@ -689,8 +695,7 @@ int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3)
 	}
 	for (i = 0; i < ARRAY_SIZE(pdpte); ++i) {
 		if ((pdpte[i] & PT_PRESENT_MASK) &&
-		    (pdpte[i] &
-		     vcpu->arch.mmu->guest_rsvd_check.rsvd_bits_mask[0][2])) {
+		    (pdpte[i] & pdptr_rsvd_bits(vcpu))) {
 			ret = 0;
 			goto out;
 		}
@@ -6481,8 +6486,16 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu,
 			if (reexecute_instruction(vcpu, cr2, write_fault_to_spt,
 						emulation_type))
 				return EMULATE_DONE;
-			if (ctxt->have_exception && inject_emulated_exception(vcpu))
+			if (ctxt->have_exception) {
+				/*
+				 * #UD should result in just EMULATION_FAILED, and trap-like
+				 * exception should not be encountered during decode.
+				 */
+				WARN_ON_ONCE(ctxt->exception.vector == UD_VECTOR ||
+					     exception_type(ctxt->exception.vector) == EXCPT_TRAP);
+				inject_emulated_exception(vcpu);
 				return EMULATE_DONE;
+			}
 			if (emulation_type & EMULTYPE_SKIP)
 				return EMULATE_FAIL;
 			return handle_emulation_failure(vcpu, emulation_type);
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index e6dad600614c..4123100e0eaf 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -861,9 +861,9 @@ void numa_remove_cpu(int cpu)
  */
 const struct cpumask *cpumask_of_node(int node)
 {
-	if (node >= nr_node_ids) {
+	if ((unsigned)node >= nr_node_ids) {
 		printk(KERN_WARNING
-			"cpumask_of_node(%d): node > nr_node_ids(%u)\n",
+			"cpumask_of_node(%d): (unsigned)node >= nr_node_ids(%u)\n",
 			node, nr_node_ids);
 		dump_stack();
 		return cpu_none_mask;
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index b196524759ec..7f2140414440 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -330,13 +330,15 @@ pti_clone_pgtable(unsigned long start, unsigned long end,
 
 		pud = pud_offset(p4d, addr);
 		if (pud_none(*pud)) {
-			addr += PUD_SIZE;
+			WARN_ON_ONCE(addr & ~PUD_MASK);
+			addr = round_up(addr + 1, PUD_SIZE);
 			continue;
 		}
 
 		pmd = pmd_offset(pud, addr);
 		if (pmd_none(*pmd)) {
-			addr += PMD_SIZE;
+			WARN_ON_ONCE(addr & ~PMD_MASK);
+			addr = round_up(addr + 1, PMD_SIZE);
 			continue;
 		}
 
@@ -666,6 +668,8 @@ void __init pti_init(void)
  */
 void pti_finalize(void)
 {
+	if (!boot_cpu_has(X86_FEATURE_PTI))
+		return;
 	/*
 	 * We need to clone everything (again) that maps parts of the
 	 * kernel image.
diff --git a/arch/x86/platform/intel/iosf_mbi.c b/arch/x86/platform/intel/iosf_mbi.c
index b393eaa798ef..0099826c88a8 100644
--- a/arch/x86/platform/intel/iosf_mbi.c
+++ b/arch/x86/platform/intel/iosf_mbi.c
@@ -17,6 +17,7 @@
 #include <linux/debugfs.h>
 #include <linux/capability.h>
 #include <linux/pm_qos.h>
+#include <linux/wait.h>
 
 #include <asm/iosf_mbi.h>
 
@@ -201,23 +202,45 @@ EXPORT_SYMBOL(iosf_mbi_available);
 #define PUNIT_SEMAPHORE_BIT		BIT(0)
 #define PUNIT_SEMAPHORE_ACQUIRE		BIT(1)
 
-static DEFINE_MUTEX(iosf_mbi_punit_mutex);
-static DEFINE_MUTEX(iosf_mbi_block_punit_i2c_access_count_mutex);
+static DEFINE_MUTEX(iosf_mbi_pmic_access_mutex);
 static BLOCKING_NOTIFIER_HEAD(iosf_mbi_pmic_bus_access_notifier);
-static u32 iosf_mbi_block_punit_i2c_access_count;
+static DECLARE_WAIT_QUEUE_HEAD(iosf_mbi_pmic_access_waitq);
+static u32 iosf_mbi_pmic_punit_access_count;
+static u32 iosf_mbi_pmic_i2c_access_count;
 static u32 iosf_mbi_sem_address;
 static unsigned long iosf_mbi_sem_acquired;
 static struct pm_qos_request iosf_mbi_pm_qos;
 
 void iosf_mbi_punit_acquire(void)
 {
-	mutex_lock(&iosf_mbi_punit_mutex);
+	/* Wait for any I2C PMIC accesses from in kernel drivers to finish. */
+	mutex_lock(&iosf_mbi_pmic_access_mutex);
+	while (iosf_mbi_pmic_i2c_access_count != 0) {
+		mutex_unlock(&iosf_mbi_pmic_access_mutex);
+		wait_event(iosf_mbi_pmic_access_waitq,
+			   iosf_mbi_pmic_i2c_access_count == 0);
+		mutex_lock(&iosf_mbi_pmic_access_mutex);
+	}
+	/*
+	 * We do not need to do anything to allow the PUNIT to safely access
+	 * the PMIC, other then block in kernel accesses to the PMIC.
+	 */
+	iosf_mbi_pmic_punit_access_count++;
+	mutex_unlock(&iosf_mbi_pmic_access_mutex);
 }
 EXPORT_SYMBOL(iosf_mbi_punit_acquire);
 
 void iosf_mbi_punit_release(void)
 {
-	mutex_unlock(&iosf_mbi_punit_mutex);
+	bool do_wakeup;
+
+	mutex_lock(&iosf_mbi_pmic_access_mutex);
+	iosf_mbi_pmic_punit_access_count--;
+	do_wakeup = iosf_mbi_pmic_punit_access_count == 0;
+	mutex_unlock(&iosf_mbi_pmic_access_mutex);
+
+	if (do_wakeup)
+		wake_up(&iosf_mbi_pmic_access_waitq);
 }
 EXPORT_SYMBOL(iosf_mbi_punit_release);
 
@@ -256,34 +279,32 @@ static void iosf_mbi_reset_semaphore(void)
  * already blocked P-Unit accesses because it wants them blocked over multiple
  * i2c-transfers, for e.g. read-modify-write of an I2C client register.
  *
- * The P-Unit accesses already being blocked is tracked through the
- * iosf_mbi_block_punit_i2c_access_count variable which is protected by the
- * iosf_mbi_block_punit_i2c_access_count_mutex this mutex is hold for the
- * entire duration of the function.
- *
- * If access is not blocked yet, this function takes the following steps:
+ * To allow safe PMIC i2c bus accesses this function takes the following steps:
  *
  * 1) Some code sends request to the P-Unit which make it access the PMIC
  *    I2C bus. Testing has shown that the P-Unit does not check its internal
  *    PMIC bus semaphore for these requests. Callers of these requests call
  *    iosf_mbi_punit_acquire()/_release() around their P-Unit accesses, these
- *    functions lock/unlock the iosf_mbi_punit_mutex.
- *    As the first step we lock the iosf_mbi_punit_mutex, to wait for any in
- *    flight requests to finish and to block any new requests.
+ *    functions increase/decrease iosf_mbi_pmic_punit_access_count, so first
+ *    we wait for iosf_mbi_pmic_punit_access_count to become 0.
+ *
+ * 2) Check iosf_mbi_pmic_i2c_access_count, if access has already
+ *    been blocked by another caller, we only need to increment
+ *    iosf_mbi_pmic_i2c_access_count and we can skip the other steps.
  *
- * 2) Some code makes such P-Unit requests from atomic contexts where it
+ * 3) Some code makes such P-Unit requests from atomic contexts where it
  *    cannot call iosf_mbi_punit_acquire() as that may sleep.
  *    As the second step we call a notifier chain which allows any code
  *    needing P-Unit resources from atomic context to acquire them before
  *    we take control over the PMIC I2C bus.
  *
- * 3) When CPU cores enter C6 or C7 the P-Unit needs to talk to the PMIC
+ * 4) When CPU cores enter C6 or C7 the P-Unit needs to talk to the PMIC
  *    if this happens while the kernel itself is accessing the PMIC I2C bus
  *    the SoC hangs.
  *    As the third step we call pm_qos_update_request() to disallow the CPU
  *    to enter C6 or C7.
  *
- * 4) The P-Unit has a PMIC bus semaphore which we can request to stop
+ * 5) The P-Unit has a PMIC bus semaphore which we can request to stop
  *    autonomous P-Unit tasks from accessing the PMIC I2C bus while we hold it.
  *    As the fourth and final step we request this semaphore and wait for our
  *    request to be acknowledged.
@@ -297,12 +318,18 @@ int iosf_mbi_block_punit_i2c_access(void)
 	if (WARN_ON(!mbi_pdev || !iosf_mbi_sem_address))
 		return -ENXIO;
 
-	mutex_lock(&iosf_mbi_block_punit_i2c_access_count_mutex);
+	mutex_lock(&iosf_mbi_pmic_access_mutex);
 
-	if (iosf_mbi_block_punit_i2c_access_count > 0)
+	while (iosf_mbi_pmic_punit_access_count != 0) {
+		mutex_unlock(&iosf_mbi_pmic_access_mutex);
+		wait_event(iosf_mbi_pmic_access_waitq,
+			   iosf_mbi_pmic_punit_access_count == 0);
+		mutex_lock(&iosf_mbi_pmic_access_mutex);
+	}
+
+	if (iosf_mbi_pmic_i2c_access_count > 0)
 		goto success;
 
-	mutex_lock(&iosf_mbi_punit_mutex);
 	blocking_notifier_call_chain(&iosf_mbi_pmic_bus_access_notifier,
 				     MBI_PMIC_BUS_ACCESS_BEGIN, NULL);
 
@@ -330,10 +357,6 @@ int iosf_mbi_block_punit_i2c_access(void)
 			iosf_mbi_sem_acquired = jiffies;
 			dev_dbg(&mbi_pdev->dev, "P-Unit semaphore acquired after %ums\n",
 				jiffies_to_msecs(jiffies - start));
-			/*
-			 * Success, keep iosf_mbi_punit_mutex locked till
-			 * iosf_mbi_unblock_punit_i2c_access() gets called.
-			 */
 			goto success;
 		}
 
@@ -344,15 +367,13 @@ int iosf_mbi_block_punit_i2c_access(void)
 	dev_err(&mbi_pdev->dev, "Error P-Unit semaphore timed out, resetting\n");
 error:
 	iosf_mbi_reset_semaphore();
-	mutex_unlock(&iosf_mbi_punit_mutex);
-
 	if (!iosf_mbi_get_sem(&sem))
 		dev_err(&mbi_pdev->dev, "P-Unit semaphore: %d\n", sem);
 success:
 	if (!WARN_ON(ret))
-		iosf_mbi_block_punit_i2c_access_count++;
+		iosf_mbi_pmic_i2c_access_count++;
 
-	mutex_unlock(&iosf_mbi_block_punit_i2c_access_count_mutex);
+	mutex_unlock(&iosf_mbi_pmic_access_mutex);
 
 	return ret;
 }
@@ -360,17 +381,20 @@ EXPORT_SYMBOL(iosf_mbi_block_punit_i2c_access);
 
 void iosf_mbi_unblock_punit_i2c_access(void)
 {
-	mutex_lock(&iosf_mbi_block_punit_i2c_access_count_mutex);
+	bool do_wakeup = false;
 
-	iosf_mbi_block_punit_i2c_access_count--;
-	if (iosf_mbi_block_punit_i2c_access_count == 0) {
+	mutex_lock(&iosf_mbi_pmic_access_mutex);
+	iosf_mbi_pmic_i2c_access_count--;
+	if (iosf_mbi_pmic_i2c_access_count == 0) {
 		iosf_mbi_reset_semaphore();
-		mutex_unlock(&iosf_mbi_punit_mutex);
 		dev_dbg(&mbi_pdev->dev, "punit semaphore held for %ums\n",
 			jiffies_to_msecs(jiffies - iosf_mbi_sem_acquired));
+		do_wakeup = true;
 	}
+	mutex_unlock(&iosf_mbi_pmic_access_mutex);
 
-	mutex_unlock(&iosf_mbi_block_punit_i2c_access_count_mutex);
+	if (do_wakeup)
+		wake_up(&iosf_mbi_pmic_access_waitq);
 }
 EXPORT_SYMBOL(iosf_mbi_unblock_punit_i2c_access);
 
@@ -379,10 +403,10 @@ int iosf_mbi_register_pmic_bus_access_notifier(struct notifier_block *nb)
 	int ret;
 
 	/* Wait for the bus to go inactive before registering */
-	mutex_lock(&iosf_mbi_punit_mutex);
+	iosf_mbi_punit_acquire();
 	ret = blocking_notifier_chain_register(
 				&iosf_mbi_pmic_bus_access_notifier, nb);
-	mutex_unlock(&iosf_mbi_punit_mutex);
+	iosf_mbi_punit_release();
 
 	return ret;
 }
@@ -403,9 +427,9 @@ int iosf_mbi_unregister_pmic_bus_access_notifier(struct notifier_block *nb)
 	int ret;
 
 	/* Wait for the bus to go inactive before unregistering */
-	mutex_lock(&iosf_mbi_punit_mutex);
+	iosf_mbi_punit_acquire();
 	ret = iosf_mbi_unregister_pmic_bus_access_notifier_unlocked(nb);
-	mutex_unlock(&iosf_mbi_punit_mutex);
+	iosf_mbi_punit_release();
 
 	return ret;
 }
@@ -413,7 +437,7 @@ EXPORT_SYMBOL(iosf_mbi_unregister_pmic_bus_access_notifier);
 
 void iosf_mbi_assert_punit_acquired(void)
 {
-	WARN_ON(!mutex_is_locked(&iosf_mbi_punit_mutex));
+	WARN_ON(iosf_mbi_pmic_punit_access_count == 0);
 }
 EXPORT_SYMBOL(iosf_mbi_assert_punit_acquired);
 
diff --git a/block/blk-flush.c b/block/blk-flush.c
index aedd9320e605..1eec9cbe5a0a 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -214,6 +214,16 @@ static void flush_end_io(struct request *flush_rq, blk_status_t error)
 
 	/* release the tag's ownership to the req cloned from */
 	spin_lock_irqsave(&fq->mq_flush_lock, flags);
+
+	if (!refcount_dec_and_test(&flush_rq->ref)) {
+		fq->rq_status = error;
+		spin_unlock_irqrestore(&fq->mq_flush_lock, flags);
+		return;
+	}
+
+	if (fq->rq_status != BLK_STS_OK)
+		error = fq->rq_status;
+
 	hctx = flush_rq->mq_hctx;
 	if (!q->elevator) {
 		blk_mq_tag_set_rq(hctx, flush_rq->tag, fq->orig_rq);
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 68106a41f90d..4af0941fbb67 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -44,12 +44,12 @@ static void blk_mq_poll_stats_fn(struct blk_stat_callback *cb);
 
 static int blk_mq_poll_stats_bkt(const struct request *rq)
 {
-	int ddir, bytes, bucket;
+	int ddir, sectors, bucket;
 
 	ddir = rq_data_dir(rq);
-	bytes = blk_rq_bytes(rq);
+	sectors = blk_rq_stats_sectors(rq);
 
-	bucket = ddir + 2*(ilog2(bytes) - 9);
+	bucket = ddir + 2 * ilog2(sectors);
 
 	if (bucket < 0)
 		return -1;
@@ -330,6 +330,7 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
 	else
 		rq->start_time_ns = 0;
 	rq->io_start_time_ns = 0;
+	rq->stats_sectors = 0;
 	rq->nr_phys_segments = 0;
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
 	rq->nr_integrity_segments = 0;
@@ -679,9 +680,7 @@ void blk_mq_start_request(struct request *rq)
 
 	if (test_bit(QUEUE_FLAG_STATS, &q->queue_flags)) {
 		rq->io_start_time_ns = ktime_get_ns();
-#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
-		rq->throtl_size = blk_rq_sectors(rq);
-#endif
+		rq->stats_sectors = blk_rq_sectors(rq);
 		rq->rq_flags |= RQF_STATS;
 		rq_qos_issue(q, rq);
 	}
@@ -911,7 +910,10 @@ static bool blk_mq_check_expired(struct blk_mq_hw_ctx *hctx,
 	 */
 	if (blk_mq_req_expired(rq, next))
 		blk_mq_rq_timed_out(rq, reserved);
-	if (refcount_dec_and_test(&rq->ref))
+
+	if (is_flush_rq(rq, hctx))
+		rq->end_io(rq, 0);
+	else if (refcount_dec_and_test(&rq->ref))
 		__blk_mq_free_request(rq);
 
 	return true;
@@ -2853,6 +2855,8 @@ static unsigned int nr_hw_queues(struct blk_mq_tag_set *set)
 struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
 						  struct request_queue *q)
 {
+	int ret = -ENOMEM;
+
 	/* mark the queue as mq asap */
 	q->mq_ops = set->ops;
 
@@ -2914,17 +2918,18 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
 	blk_mq_map_swqueue(q);
 
 	if (!(set->flags & BLK_MQ_F_NO_SCHED)) {
-		int ret;
-
 		ret = elevator_init_mq(q);
 		if (ret)
-			return ERR_PTR(ret);
+			goto err_tag_set;
 	}
 
 	return q;
 
+err_tag_set:
+	blk_mq_del_queue_tag_set(q);
 err_hctxs:
 	kfree(q->queue_hw_ctx);
+	q->nr_hw_queues = 0;
 err_sys_init:
 	blk_mq_sysfs_deinit(q);
 err_poll:
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 8ab6c8153223..ee74bffe3504 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -2246,7 +2246,8 @@ void blk_throtl_stat_add(struct request *rq, u64 time_ns)
 	struct request_queue *q = rq->q;
 	struct throtl_data *td = q->td;
 
-	throtl_track_latency(td, rq->throtl_size, req_op(rq), time_ns >> 10);
+	throtl_track_latency(td, blk_rq_stats_sectors(rq), req_op(rq),
+			     time_ns >> 10);
 }
 
 void blk_throtl_bio_endio(struct bio *bio)
diff --git a/block/blk.h b/block/blk.h
index 7814aa207153..7019757a5ce1 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -19,6 +19,7 @@ struct blk_flush_queue {
 	unsigned int		flush_queue_delayed:1;
 	unsigned int		flush_pending_idx:1;
 	unsigned int		flush_running_idx:1;
+	blk_status_t 		rq_status;
 	unsigned long		flush_pending_since;
 	struct list_head	flush_queue[2];
 	struct list_head	flush_data_in_flight;
@@ -47,6 +48,12 @@ static inline void __blk_get_queue(struct request_queue *q)
 	kobject_get(&q->kobj);
 }
 
+static inline bool
+is_flush_rq(struct request *req, struct blk_mq_hw_ctx *hctx)
+{
+	return hctx->fq->flush_rq == req;
+}
+
 struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
 		int node, int cmd_size, gfp_t flags);
 void blk_free_flush_queue(struct blk_flush_queue *q);
diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 1876f5712bfd..4cb1a2ca9c88 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -377,13 +377,6 @@ static struct request *__dd_dispatch_request(struct deadline_data *dd)
  * hardware queue, but we may return a request that is for a
  * different hardware queue. This is because mq-deadline has shared
  * state for all hardware queues, in terms of sorting, FIFOs, etc.
- *
- * For a zoned block device, __dd_dispatch_request() may return NULL
- * if all the queued write requests are directed at zones that are already
- * locked due to on-going write requests. In this case, make sure to mark
- * the queue as needing a restart to ensure that the queue is run again
- * and the pending writes dispatched once the target zones for the ongoing
- * write requests are unlocked in dd_finish_request().
  */
 static struct request *dd_dispatch_request(struct blk_mq_hw_ctx *hctx)
 {
@@ -392,9 +385,6 @@ static struct request *dd_dispatch_request(struct blk_mq_hw_ctx *hctx)
 
 	spin_lock(&dd->lock);
 	rq = __dd_dispatch_request(dd);
-	if (!rq && blk_queue_is_zoned(hctx->queue) &&
-	    !list_empty(&dd->fifo_list[WRITE]))
-		blk_mq_sched_mark_restart_hctx(hctx);
 	spin_unlock(&dd->lock);
 
 	return rq;
@@ -560,6 +550,13 @@ static void dd_prepare_request(struct request *rq, struct bio *bio)
  * spinlock so that the zone is never unlocked while deadline_fifo_request()
  * or deadline_next_request() are executing. This function is called for
  * all requests, whether or not these requests complete successfully.
+ *
+ * For a zoned block device, __dd_dispatch_request() may have stopped
+ * dispatching requests if all the queued requests are write requests directed
+ * at zones that are already locked due to on-going write requests. To ensure
+ * write request dispatch progress in this case, mark the queue as needing a
+ * restart to ensure that the queue is run again after completion of the
+ * request and zones being unlocked.
  */
 static void dd_finish_request(struct request *rq)
 {
@@ -571,6 +568,8 @@ static void dd_finish_request(struct request *rq)
 
 		spin_lock_irqsave(&dd->zone_lock, flags);
 		blk_req_zone_write_unlock(rq);
+		if (!list_empty(&dd->fifo_list[WRITE]))
+			blk_mq_sched_mark_restart_hctx(rq->mq_hctx);
 		spin_unlock_irqrestore(&dd->zone_lock, flags);
 	}
 }
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 23484aa877b6..460a315badcd 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -219,12 +219,13 @@ static void bsw_pwm_setup(struct lpss_private_data *pdata)
 }
 
 static const struct lpss_device_desc lpt_dev_desc = {
-	.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR,
+	.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR
+			| LPSS_SAVE_CTX,
 	.prv_offset = 0x800,
 };
 
 static const struct lpss_device_desc lpt_i2c_dev_desc = {
-	.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_LTR,
+	.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_LTR | LPSS_SAVE_CTX,
 	.prv_offset = 0x800,
 };
 
@@ -236,7 +237,8 @@ static struct property_entry uart_properties[] = {
 };
 
 static const struct lpss_device_desc lpt_uart_dev_desc = {
-	.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR,
+	.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR
+			| LPSS_SAVE_CTX,
 	.clk_con_id = "baudclk",
 	.prv_offset = 0x800,
 	.setup = lpss_uart_setup,
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 24f065114d42..2c4dda0787e8 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -279,9 +279,13 @@ static int acpi_processor_get_info(struct acpi_device *device)
 	}
 
 	if (acpi_duplicate_processor_id(pr->acpi_id)) {
-		dev_err(&device->dev,
-			"Failed to get unique processor _UID (0x%x)\n",
-			pr->acpi_id);
+		if (pr->acpi_id == 0xff)
+			dev_info_once(&device->dev,
+				"Entry not well-defined, consider updating BIOS\n");
+		else
+			dev_err(&device->dev,
+				"Failed to get unique processor _UID (0x%x)\n",
+				pr->acpi_id);
 		return -ENODEV;
 	}
 
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 993940d582f5..6875bf629f16 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -153,6 +153,7 @@ static void ghes_unmap(void __iomem *vaddr, enum fixed_addresses fixmap_idx)
 int ghes_estatus_pool_init(int num_ghes)
 {
 	unsigned long addr, len;
+	int rc;
 
 	ghes_estatus_pool = gen_pool_create(GHES_ESTATUS_POOL_MIN_ALLOC_ORDER, -1);
 	if (!ghes_estatus_pool)
@@ -164,7 +165,7 @@ int ghes_estatus_pool_init(int num_ghes)
 	ghes_estatus_pool_size_request = PAGE_ALIGN(len);
 	addr = (unsigned long)vmalloc(PAGE_ALIGN(len));
 	if (!addr)
-		return -ENOMEM;
+		goto err_pool_alloc;
 
 	/*
 	 * New allocation must be visible in all pgd before it can be found by
@@ -172,7 +173,19 @@ int ghes_estatus_pool_init(int num_ghes)
 	 */
 	vmalloc_sync_all();
 
-	return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
+	rc = gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
+	if (rc)
+		goto err_pool_add;
+
+	return 0;
+
+err_pool_add:
+	vfree((void *)addr);
+
+err_pool_alloc:
+	gen_pool_destroy(ghes_estatus_pool);
+
+	return -ENOMEM;
 }
 
 static int map_gen_v2(struct ghes *ghes)
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 15f103d7532b..3b2525908dd8 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -365,8 +365,10 @@ static int acpi_get_psd(struct cpc_desc *cpc_ptr, acpi_handle handle)
 	union acpi_object  *psd = NULL;
 	struct acpi_psd_package *pdomain;
 
-	status = acpi_evaluate_object_typed(handle, "_PSD", NULL, &buffer,
-			ACPI_TYPE_PACKAGE);
+	status = acpi_evaluate_object_typed(handle, "_PSD", NULL,
+					    &buffer, ACPI_TYPE_PACKAGE);
+	if (status == AE_NOT_FOUND)	/* _PSD is optional */
+		return 0;
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
index b2ef4c2ec955..fd66a736621c 100644
--- a/drivers/acpi/custom_method.c
+++ b/drivers/acpi/custom_method.c
@@ -49,8 +49,10 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
 	if ((*ppos > max_size) ||
 	    (*ppos + count > max_size) ||
 	    (*ppos + count < count) ||
-	    (count > uncopied_bytes))
+	    (count > uncopied_bytes)) {
+		kfree(buf);
 		return -EINVAL;
+	}
 
 	if (copy_from_user(buf + (*ppos), user_buf, count)) {
 		kfree(buf);
@@ -70,6 +72,7 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
 		add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE);
 	}
 
+	kfree(buf);
 	return count;
 }
 
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index d2549ae65e1b..dea8a60e18a4 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -449,8 +449,10 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
 		 * No IRQ known to the ACPI subsystem - maybe the BIOS /
 		 * driver reported one, then use it. Exit in any case.
 		 */
-		if (!acpi_pci_irq_valid(dev, pin))
+		if (!acpi_pci_irq_valid(dev, pin)) {
+			kfree(entry);
 			return 0;
+		}
 
 		if (acpi_isa_register_gsi(dev))
 			dev_warn(&dev->dev, "PCI INT %c: no GSI\n",
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index f7652baa6337..3e63294304c7 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -65,6 +65,12 @@ enum board_ids {
 	board_ahci_sb700,	/* for SB700 and SB800 */
 	board_ahci_vt8251,
 
+	/*
+	 * board IDs for Intel chipsets that support more than 6 ports
+	 * *and* end up needing the PCS quirk.
+	 */
+	board_ahci_pcs7,
+
 	/* aliases */
 	board_ahci_mcp_linux	= board_ahci_mcp65,
 	board_ahci_mcp67	= board_ahci_mcp65,
@@ -220,6 +226,12 @@ static const struct ata_port_info ahci_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_vt8251_ops,
 	},
+	[board_ahci_pcs7] = {
+		.flags		= AHCI_FLAG_COMMON,
+		.pio_mask	= ATA_PIO4,
+		.udma_mask	= ATA_UDMA6,
+		.port_ops	= &ahci_ops,
+	},
 };
 
 static const struct pci_device_id ahci_pci_tbl[] = {
@@ -264,26 +276,26 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
 	{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_mobile }, /* PCH M RAID */
 	{ PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */
-	{ PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b0), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b1), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b2), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b3), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b4), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b5), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b6), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19b7), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19bE), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19bF), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c0), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c1), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c2), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c3), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c4), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c5), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c6), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19c7), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19cE), board_ahci_pcs7 }, /* DNV AHCI */
+	{ PCI_VDEVICE(INTEL, 0x19cF), board_ahci_pcs7 }, /* DNV AHCI */
 	{ PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
 	{ PCI_VDEVICE(INTEL, 0x1c03), board_ahci_mobile }, /* CPT M AHCI */
 	{ PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
@@ -623,30 +635,6 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev,
 	ahci_save_initial_config(&pdev->dev, hpriv);
 }
 
-static int ahci_pci_reset_controller(struct ata_host *host)
-{
-	struct pci_dev *pdev = to_pci_dev(host->dev);
-	int rc;
-
-	rc = ahci_reset_controller(host);
-	if (rc)
-		return rc;
-
-	if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
-		struct ahci_host_priv *hpriv = host->private_data;
-		u16 tmp16;
-
-		/* configure PCS */
-		pci_read_config_word(pdev, 0x92, &tmp16);
-		if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
-			tmp16 |= hpriv->port_map;
-			pci_write_config_word(pdev, 0x92, tmp16);
-		}
-	}
-
-	return 0;
-}
-
 static void ahci_pci_init_controller(struct ata_host *host)
 {
 	struct ahci_host_priv *hpriv = host->private_data;
@@ -849,7 +837,7 @@ static int ahci_pci_device_runtime_resume(struct device *dev)
 	struct ata_host *host = pci_get_drvdata(pdev);
 	int rc;
 
-	rc = ahci_pci_reset_controller(host);
+	rc = ahci_reset_controller(host);
 	if (rc)
 		return rc;
 	ahci_pci_init_controller(host);
@@ -884,7 +872,7 @@ static int ahci_pci_device_resume(struct device *dev)
 		ahci_mcp89_apple_enable(pdev);
 
 	if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
-		rc = ahci_pci_reset_controller(host);
+		rc = ahci_reset_controller(host);
 		if (rc)
 			return rc;
 
@@ -1619,6 +1607,34 @@ static void ahci_update_initial_lpm_policy(struct ata_port *ap,
 		ap->target_lpm_policy = policy;
 }
 
+static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
+{
+	const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
+	u16 tmp16;
+
+	/*
+	 * Only apply the 6-port PCS quirk for known legacy platforms.
+	 */
+	if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
+		return;
+	if (((enum board_ids) id->driver_data) < board_ahci_pcs7)
+		return;
+
+	/*
+	 * port_map is determined from PORTS_IMPL PCI register which is
+	 * implemented as write or write-once register.  If the register
+	 * isn't programmed, ahci automatically generates it from number
+	 * of ports, which is good enough for PCS programming. It is
+	 * otherwise expected that platform firmware enables the ports
+	 * before the OS boots.
+	 */
+	pci_read_config_word(pdev, PCS_6, &tmp16);
+	if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
+		tmp16 |= hpriv->port_map;
+		pci_write_config_word(pdev, PCS_6, tmp16);
+	}
+}
+
 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	unsigned int board_id = ent->driver_data;
@@ -1731,6 +1747,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* save initial config */
 	ahci_pci_save_initial_config(pdev, hpriv);
 
+	/*
+	 * If platform firmware failed to enable ports, try to enable
+	 * them here.
+	 */
+	ahci_intel_pcs_quirk(pdev, hpriv);
+
 	/* prepare host */
 	if (hpriv->cap & HOST_CAP_NCQ) {
 		pi.flags |= ATA_FLAG_NCQ;
@@ -1840,7 +1862,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		return rc;
 
-	rc = ahci_pci_reset_controller(host);
+	rc = ahci_reset_controller(host);
 	if (rc)
 		return rc;
 
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 0570629d719d..3dbf398c92ea 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -247,6 +247,8 @@ enum {
 					  ATA_FLAG_ACPI_SATA | ATA_FLAG_AN,
 
 	ICH_MAP				= 0x90, /* ICH MAP register */
+	PCS_6				= 0x92, /* 6 port PCS */
+	PCS_7				= 0x94, /* 7+ port PCS (Denverton) */
 
 	/* em constants */
 	EM_MAX_SLOTS			= 8,
diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index 10b280f30217..7e91894a380b 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -157,6 +157,7 @@ struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr
 out1:
 	return ERR_PTR(ret);
 }
+EXPORT_SYMBOL_GPL(soc_device_register);
 
 /* Ensure soc_dev->attr is freed prior to calling soc_device_unregister. */
 void soc_device_unregister(struct soc_device *soc_dev)
@@ -166,6 +167,7 @@ void soc_device_unregister(struct soc_device *soc_dev)
 	device_unregister(&soc_dev->dev);
 	early_soc_dev_attr = NULL;
 }
+EXPORT_SYMBOL_GPL(soc_device_unregister);
 
 static int __init soc_bus_register(void)
 {
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index e1739efca37e..8e32930f65a1 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1763,6 +1763,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
 	case LOOP_SET_FD:
 	case LOOP_CHANGE_FD:
 	case LOOP_SET_BLOCK_SIZE:
+	case LOOP_SET_DIRECT_IO:
 		err = lo_ioctl(bdev, mode, cmd, arg);
 		break;
 	default:
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 57aebc6e1c28..5d5e52c6509c 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -355,8 +355,10 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req,
 	}
 	config = nbd->config;
 
-	if (!mutex_trylock(&cmd->lock))
+	if (!mutex_trylock(&cmd->lock)) {
+		nbd_config_put(nbd);
 		return BLK_EH_RESET_TIMER;
+	}
 
 	if (config->num_connections > 1) {
 		dev_err_ratelimited(nbd_to_dev(nbd),
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 95be7228f327..3866d6b8017c 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -67,7 +67,7 @@ static void add_early_randomness(struct hwrng *rng)
 	size_t size = min_t(size_t, 16, rng_buffer_size());
 
 	mutex_lock(&reading_mutex);
-	bytes_read = rng_get_data(rng, rng_buffer, size, 1);
+	bytes_read = rng_get_data(rng, rng_buffer, size, 0);
 	mutex_unlock(&reading_mutex);
 	if (bytes_read > 0)
 		add_device_randomness(rng_buffer, bytes_read);
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 1dc10740fc0f..6ce64007b3c0 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -4215,7 +4215,53 @@ static int handle_one_recv_msg(struct ipmi_smi *intf,
 	int chan;
 
 	ipmi_debug_msg("Recv:", msg->rsp, msg->rsp_size);
-	if (msg->rsp_size < 2) {
+
+	if ((msg->data_size >= 2)
+	    && (msg->data[0] == (IPMI_NETFN_APP_REQUEST << 2))
+	    && (msg->data[1] == IPMI_SEND_MSG_CMD)
+	    && (msg->user_data == NULL)) {
+
+		if (intf->in_shutdown)
+			goto free_msg;
+
+		/*
+		 * This is the local response to a command send, start
+		 * the timer for these.  The user_data will not be
+		 * NULL if this is a response send, and we will let
+		 * response sends just go through.
+		 */
+
+		/*
+		 * Check for errors, if we get certain errors (ones
+		 * that mean basically we can try again later), we
+		 * ignore them and start the timer.  Otherwise we
+		 * report the error immediately.
+		 */
+		if ((msg->rsp_size >= 3) && (msg->rsp[2] != 0)
+		    && (msg->rsp[2] != IPMI_NODE_BUSY_ERR)
+		    && (msg->rsp[2] != IPMI_LOST_ARBITRATION_ERR)
+		    && (msg->rsp[2] != IPMI_BUS_ERR)
+		    && (msg->rsp[2] != IPMI_NAK_ON_WRITE_ERR)) {
+			int ch = msg->rsp[3] & 0xf;
+			struct ipmi_channel *chans;
+
+			/* Got an error sending the message, handle it. */
+
+			chans = READ_ONCE(intf->channel_list)->c;
+			if ((chans[ch].medium == IPMI_CHANNEL_MEDIUM_8023LAN)
+			    || (chans[ch].medium == IPMI_CHANNEL_MEDIUM_ASYNC))
+				ipmi_inc_stat(intf, sent_lan_command_errs);
+			else
+				ipmi_inc_stat(intf, sent_ipmb_command_errs);
+			intf_err_seq(intf, msg->msgid, msg->rsp[2]);
+		} else
+			/* The message was sent, start the timer. */
+			intf_start_seq_timer(intf, msg->msgid);
+free_msg:
+		requeue = 0;
+		goto out;
+
+	} else if (msg->rsp_size < 2) {
 		/* Message is too small to be correct. */
 		dev_warn(intf->si_dev,
 			 "BMC returned too small a message for netfn %x cmd %x, got %d bytes\n",
@@ -4472,62 +4518,16 @@ void ipmi_smi_msg_received(struct ipmi_smi *intf,
 	unsigned long flags = 0; /* keep us warning-free. */
 	int run_to_completion = intf->run_to_completion;
 
-	if ((msg->data_size >= 2)
-	    && (msg->data[0] == (IPMI_NETFN_APP_REQUEST << 2))
-	    && (msg->data[1] == IPMI_SEND_MSG_CMD)
-	    && (msg->user_data == NULL)) {
-
-		if (intf->in_shutdown)
-			goto free_msg;
-
-		/*
-		 * This is the local response to a command send, start
-		 * the timer for these.  The user_data will not be
-		 * NULL if this is a response send, and we will let
-		 * response sends just go through.
-		 */
-
-		/*
-		 * Check for errors, if we get certain errors (ones
-		 * that mean basically we can try again later), we
-		 * ignore them and start the timer.  Otherwise we
-		 * report the error immediately.
-		 */
-		if ((msg->rsp_size >= 3) && (msg->rsp[2] != 0)
-		    && (msg->rsp[2] != IPMI_NODE_BUSY_ERR)
-		    && (msg->rsp[2] != IPMI_LOST_ARBITRATION_ERR)
-		    && (msg->rsp[2] != IPMI_BUS_ERR)
-		    && (msg->rsp[2] != IPMI_NAK_ON_WRITE_ERR)) {
-			int ch = msg->rsp[3] & 0xf;
-			struct ipmi_channel *chans;
-
-			/* Got an error sending the message, handle it. */
-
-			chans = READ_ONCE(intf->channel_list)->c;
-			if ((chans[ch].medium == IPMI_CHANNEL_MEDIUM_8023LAN)
-			    || (chans[ch].medium == IPMI_CHANNEL_MEDIUM_ASYNC))
-				ipmi_inc_stat(intf, sent_lan_command_errs);
-			else
-				ipmi_inc_stat(intf, sent_ipmb_command_errs);
-			intf_err_seq(intf, msg->msgid, msg->rsp[2]);
-		} else
-			/* The message was sent, start the timer. */
-			intf_start_seq_timer(intf, msg->msgid);
-
-free_msg:
-		ipmi_free_smi_msg(msg);
-	} else {
-		/*
-		 * To preserve message order, we keep a queue and deliver from
-		 * a tasklet.
-		 */
-		if (!run_to_completion)
-			spin_lock_irqsave(&intf->waiting_rcv_msgs_lock, flags);
-		list_add_tail(&msg->link, &intf->waiting_rcv_msgs);
-		if (!run_to_completion)
-			spin_unlock_irqrestore(&intf->waiting_rcv_msgs_lock,
-					       flags);
-	}
+	/*
+	 * To preserve message order, we keep a queue and deliver from
+	 * a tasklet.
+	 */
+	if (!run_to_completion)
+		spin_lock_irqsave(&intf->waiting_rcv_msgs_lock, flags);
+	list_add_tail(&msg->link, &intf->waiting_rcv_msgs);
+	if (!run_to_completion)
+		spin_unlock_irqrestore(&intf->waiting_rcv_msgs_lock,
+				       flags);
 
 	if (!run_to_completion)
 		spin_lock_irqsave(&intf->xmit_msgs_lock, flags);
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index b08dc50f9f26..9eb564c002f6 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -97,6 +97,13 @@ void __weak unxlate_dev_mem_ptr(phys_addr_t phys, void *addr)
 }
 #endif
 
+static inline bool should_stop_iteration(void)
+{
+	if (need_resched())
+		cond_resched();
+	return fatal_signal_pending(current);
+}
+
 /*
  * This funcion reads the *physical* memory. The f_pos points directly to the
  * memory location.
@@ -175,6 +182,8 @@ static ssize_t read_mem(struct file *file, char __user *buf,
 		p += sz;
 		count -= sz;
 		read += sz;
+		if (should_stop_iteration())
+			break;
 	}
 	kfree(bounce);
 
@@ -251,6 +260,8 @@ static ssize_t write_mem(struct file *file, const char __user *buf,
 		p += sz;
 		count -= sz;
 		written += sz;
+		if (should_stop_iteration())
+			break;
 	}
 
 	*ppos += written;
@@ -468,6 +479,10 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
 			read += sz;
 			low_count -= sz;
 			count -= sz;
+			if (should_stop_iteration()) {
+				count = 0;
+				break;
+			}
 		}
 	}
 
@@ -492,6 +507,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
 			buf += sz;
 			read += sz;
 			p += sz;
+			if (should_stop_iteration())
+				break;
 		}
 		free_page((unsigned long)kbuf);
 	}
@@ -544,6 +561,8 @@ static ssize_t do_write_kmem(unsigned long p, const char __user *buf,
 		p += sz;
 		count -= sz;
 		written += sz;
+		if (should_stop_iteration())
+			break;
 	}
 
 	*ppos += written;
@@ -595,6 +614,8 @@ static ssize_t write_kmem(struct file *file, const char __user *buf,
 			buf += sz;
 			virtr += sz;
 			p += sz;
+			if (should_stop_iteration())
+				break;
 		}
 		free_page((unsigned long)kbuf);
 	}
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 1b4f95c13e00..d7a3888ad80f 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -320,18 +320,22 @@ int tpm_pcr_extend(struct tpm_chip *chip, u32 pcr_idx,
 	if (!chip)
 		return -ENODEV;
 
-	for (i = 0; i < chip->nr_allocated_banks; i++)
-		if (digests[i].alg_id != chip->allocated_banks[i].alg_id)
-			return -EINVAL;
+	for (i = 0; i < chip->nr_allocated_banks; i++) {
+		if (digests[i].alg_id != chip->allocated_banks[i].alg_id) {
+			rc = EINVAL;
+			goto out;
+		}
+	}
 
 	if (chip->flags & TPM_CHIP_FLAG_TPM2) {
 		rc = tpm2_pcr_extend(chip, pcr_idx, digests);
-		tpm_put_ops(chip);
-		return rc;
+		goto out;
 	}
 
 	rc = tpm1_pcr_extend(chip, pcr_idx, digests[0].digest,
 			     "attempting extend a PCR value");
+
+out:
 	tpm_put_ops(chip);
 	return rc;
 }
@@ -354,14 +358,9 @@ int tpm_send(struct tpm_chip *chip, void *cmd, size_t buflen)
 	if (!chip)
 		return -ENODEV;
 
-	rc = tpm_buf_init(&buf, 0, 0);
-	if (rc)
-		goto out;
-
-	memcpy(buf.data, cmd, buflen);
+	buf.data = cmd;
 	rc = tpm_transmit_cmd(chip, &buf, 0, "attempting to a send a command");
-	tpm_buf_destroy(&buf);
-out:
+
 	tpm_put_ops(chip);
 	return rc;
 }
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index c3181ea9f271..270f43acbb77 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -980,6 +980,8 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
 			goto out_err;
 		}
 
+		tpm_chip_start(chip);
+		chip->flags |= TPM_CHIP_FLAG_IRQ;
 		if (irq) {
 			tpm_tis_probe_irq_single(chip, intmask, IRQF_SHARED,
 						 irq);
@@ -989,6 +991,7 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
 		} else {
 			tpm_tis_probe_irq(chip, intmask);
 		}
+		tpm_chip_stop(chip);
 	}
 
 	rc = tpm_chip_register(chip);
diff --git a/drivers/cpufreq/armada-8k-cpufreq.c b/drivers/cpufreq/armada-8k-cpufreq.c
index 988ebc326bdb..39e34f5066d3 100644
--- a/drivers/cpufreq/armada-8k-cpufreq.c
+++ b/drivers/cpufreq/armada-8k-cpufreq.c
@@ -136,6 +136,8 @@ static int __init armada_8k_cpufreq_init(void)
 
 	nb_cpus = num_possible_cpus();
 	freq_tables = kcalloc(nb_cpus, sizeof(*freq_tables), GFP_KERNEL);
+	if (!freq_tables)
+		return -ENOMEM;
 	cpumask_copy(&cpus, cpu_possible_mask);
 
 	/*
diff --git a/drivers/cpuidle/governors/teo.c b/drivers/cpuidle/governors/teo.c
index 7d05efdbd3c6..12d9e6cecf1d 100644
--- a/drivers/cpuidle/governors/teo.c
+++ b/drivers/cpuidle/governors/teo.c
@@ -242,7 +242,7 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 	struct teo_cpu *cpu_data = per_cpu_ptr(&teo_cpus, dev->cpu);
 	int latency_req = cpuidle_governor_latency_req(dev->cpu);
 	unsigned int duration_us, count;
-	int max_early_idx, idx, i;
+	int max_early_idx, constraint_idx, idx, i;
 	ktime_t delta_tick;
 
 	if (cpu_data->last_state >= 0) {
@@ -257,6 +257,7 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 
 	count = 0;
 	max_early_idx = -1;
+	constraint_idx = drv->state_count;
 	idx = -1;
 
 	for (i = 0; i < drv->state_count; i++) {
@@ -286,16 +287,8 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 		if (s->target_residency > duration_us)
 			break;
 
-		if (s->exit_latency > latency_req) {
-			/*
-			 * If we break out of the loop for latency reasons, use
-			 * the target residency of the selected state as the
-			 * expected idle duration to avoid stopping the tick
-			 * as long as that target residency is low enough.
-			 */
-			duration_us = drv->states[idx].target_residency;
-			goto refine;
-		}
+		if (s->exit_latency > latency_req && constraint_idx > i)
+			constraint_idx = i;
 
 		idx = i;
 
@@ -321,7 +314,13 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 		duration_us = drv->states[idx].target_residency;
 	}
 
-refine:
+	/*
+	 * If there is a latency constraint, it may be necessary to use a
+	 * shallower idle state than the one selected so far.
+	 */
+	if (constraint_idx < idx)
+		idx = constraint_idx;
+
 	if (idx < 0) {
 		idx = 0; /* No states enabled. Must use 0. */
 	} else if (idx > 0) {
@@ -331,13 +330,12 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 
 		/*
 		 * Count and sum the most recent idle duration values less than
-		 * the target residency of the state selected so far, find the
-		 * max.
+		 * the current expected idle duration value.
 		 */
 		for (i = 0; i < INTERVALS; i++) {
 			unsigned int val = cpu_data->intervals[i];
 
-			if (val >= drv->states[idx].target_residency)
+			if (val >= duration_us)
 				continue;
 
 			count++;
@@ -356,8 +354,10 @@ static int teo_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
 			 * would be too shallow.
 			 */
 			if (!(tick_nohz_tick_stopped() && avg_us < TICK_USEC)) {
-				idx = teo_find_shallower_state(drv, dev, idx, avg_us);
 				duration_us = avg_us;
+				if (drv->states[idx].target_residency > avg_us)
+					idx = teo_find_shallower_state(drv, dev,
+								       idx, avg_us);
 			}
 		}
 	}
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index ab22bf8a12d6..a0e19802149f 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -254,7 +254,7 @@ static struct devfreq_governor *try_then_request_governor(const char *name)
 		/* Restore previous state before return */
 		mutex_lock(&devfreq_list_lock);
 		if (err)
-			return ERR_PTR(err);
+			return (err < 0) ? ERR_PTR(err) : ERR_PTR(-EINVAL);
 
 		governor = find_devfreq_governor(name);
 	}
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index d9f377912c10..7c06df8bd74f 100644
--- a/drivers/devfreq/exynos-bus.c
+++ b/drivers/devfreq/exynos-bus.c
@@ -191,11 +191,10 @@ static void exynos_bus_exit(struct device *dev)
 	if (ret < 0)
 		dev_warn(dev, "failed to disable the devfreq-event devices\n");
 
-	if (bus->regulator)
-		regulator_disable(bus->regulator);
-
 	dev_pm_opp_of_remove_table(dev);
 	clk_disable_unprepare(bus->clk);
+	if (bus->regulator)
+		regulator_disable(bus->regulator);
 }
 
 /*
@@ -383,6 +382,7 @@ static int exynos_bus_probe(struct platform_device *pdev)
 	struct exynos_bus *bus;
 	int ret, max_state;
 	unsigned long min_freq, max_freq;
+	bool passive = false;
 
 	if (!np) {
 		dev_err(dev, "failed to find devicetree node\n");
@@ -396,27 +396,27 @@ static int exynos_bus_probe(struct platform_device *pdev)
 	bus->dev = &pdev->dev;
 	platform_set_drvdata(pdev, bus);
 
-	/* Parse the device-tree to get the resource information */
-	ret = exynos_bus_parse_of(np, bus);
-	if (ret < 0)
-		return ret;
-
 	profile = devm_kzalloc(dev, sizeof(*profile), GFP_KERNEL);
-	if (!profile) {
-		ret = -ENOMEM;
-		goto err;
-	}
+	if (!profile)
+		return -ENOMEM;
 
 	node = of_parse_phandle(dev->of_node, "devfreq", 0);
 	if (node) {
 		of_node_put(node);
-		goto passive;
+		passive = true;
 	} else {
 		ret = exynos_bus_parent_parse_of(np, bus);
+		if (ret < 0)
+			return ret;
 	}
 
+	/* Parse the device-tree to get the resource information */
+	ret = exynos_bus_parse_of(np, bus);
 	if (ret < 0)
-		goto err;
+		goto err_reg;
+
+	if (passive)
+		goto passive;
 
 	/* Initialize the struct profile and governor data for parent device */
 	profile->polling_ms = 50;
@@ -507,6 +507,9 @@ static int exynos_bus_probe(struct platform_device *pdev)
 err:
 	dev_pm_opp_of_remove_table(dev);
 	clk_disable_unprepare(bus->clk);
+err_reg:
+	if (!passive)
+		regulator_disable(bus->regulator);
 
 	return ret;
 }
diff --git a/drivers/devfreq/governor_passive.c b/drivers/devfreq/governor_passive.c
index 58308948b863..be6eeab9c814 100644
--- a/drivers/devfreq/governor_passive.c
+++ b/drivers/devfreq/governor_passive.c
@@ -149,7 +149,6 @@ static int devfreq_passive_notifier_call(struct notifier_block *nb,
 static int devfreq_passive_event_handler(struct devfreq *devfreq,
 				unsigned int event, void *data)
 {
-	struct device *dev = devfreq->dev.parent;
 	struct devfreq_passive_data *p_data
 			= (struct devfreq_passive_data *)devfreq->data;
 	struct devfreq *parent = (struct devfreq *)p_data->parent;
@@ -165,12 +164,12 @@ static int devfreq_passive_event_handler(struct devfreq *devfreq,
 			p_data->this = devfreq;
 
 		nb->notifier_call = devfreq_passive_notifier_call;
-		ret = devm_devfreq_register_notifier(dev, parent, nb,
+		ret = devfreq_register_notifier(parent, nb,
 					DEVFREQ_TRANSITION_NOTIFIER);
 		break;
 	case DEVFREQ_GOV_STOP:
-		devm_devfreq_unregister_notifier(dev, parent, nb,
-					DEVFREQ_TRANSITION_NOTIFIER);
+		WARN_ON(devfreq_unregister_notifier(parent, nb,
+					DEVFREQ_TRANSITION_NOTIFIER));
 		break;
 	default:
 		break;
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 8101ff2f05c1..970f654611bd 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -871,8 +871,10 @@ static int bcm2835_dma_probe(struct platform_device *pdev)
 		pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
 
 	rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
-	if (rc)
+	if (rc) {
+		dev_err(&pdev->dev, "Unable to set DMA mask\n");
 		return rc;
+	}
 
 	od = devm_kzalloc(&pdev->dev, sizeof(*od), GFP_KERNEL);
 	if (!od)
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index c6c0143670d9..a776857d89c8 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -116,9 +116,9 @@ static void __iop_adma_slot_cleanup(struct iop_adma_chan *iop_chan)
 	list_for_each_entry_safe(iter, _iter, &iop_chan->chain,
 					chain_node) {
 		pr_debug("\tcookie: %d slot: %d busy: %d "
-			"this_desc: %#x next_desc: %#x ack: %d\n",
+			"this_desc: %#x next_desc: %#llx ack: %d\n",
 			iter->async_tx.cookie, iter->idx, busy,
-			iter->async_tx.phys, iop_desc_get_next_desc(iter),
+			iter->async_tx.phys, (u64)iop_desc_get_next_desc(iter),
 			async_tx_test_ack(&iter->async_tx));
 		prefetch(_iter);
 		prefetch(&_iter->async_tx);
@@ -306,9 +306,9 @@ iop_adma_alloc_slots(struct iop_adma_chan *iop_chan, int num_slots,
 				int i;
 				dev_dbg(iop_chan->device->common.dev,
 					"allocated slot: %d "
-					"(desc %p phys: %#x) slots_per_op %d\n",
+					"(desc %p phys: %#llx) slots_per_op %d\n",
 					iter->idx, iter->hw_desc,
-					iter->async_tx.phys, slots_per_op);
+					(u64)iter->async_tx.phys, slots_per_op);
 
 				/* pre-ack all but the last descriptor */
 				if (num_slots != slots_per_op)
@@ -516,7 +516,7 @@ iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest,
 		return NULL;
 	BUG_ON(len > IOP_ADMA_MAX_BYTE_COUNT);
 
-	dev_dbg(iop_chan->device->common.dev, "%s len: %u\n",
+	dev_dbg(iop_chan->device->common.dev, "%s len: %zu\n",
 		__func__, len);
 
 	spin_lock_bh(&iop_chan->lock);
@@ -549,7 +549,7 @@ iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest,
 	BUG_ON(len > IOP_ADMA_XOR_MAX_BYTE_COUNT);
 
 	dev_dbg(iop_chan->device->common.dev,
-		"%s src_cnt: %d len: %u flags: %lx\n",
+		"%s src_cnt: %d len: %zu flags: %lx\n",
 		__func__, src_cnt, len, flags);
 
 	spin_lock_bh(&iop_chan->lock);
@@ -582,7 +582,7 @@ iop_adma_prep_dma_xor_val(struct dma_chan *chan, dma_addr_t *dma_src,
 	if (unlikely(!len))
 		return NULL;
 
-	dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %u\n",
+	dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %zu\n",
 		__func__, src_cnt, len);
 
 	spin_lock_bh(&iop_chan->lock);
@@ -620,7 +620,7 @@ iop_adma_prep_dma_pq(struct dma_chan *chan, dma_addr_t *dst, dma_addr_t *src,
 	BUG_ON(len > IOP_ADMA_XOR_MAX_BYTE_COUNT);
 
 	dev_dbg(iop_chan->device->common.dev,
-		"%s src_cnt: %d len: %u flags: %lx\n",
+		"%s src_cnt: %d len: %zu flags: %lx\n",
 		__func__, src_cnt, len, flags);
 
 	if (dmaf_p_disabled_continue(flags))
@@ -683,7 +683,7 @@ iop_adma_prep_dma_pq_val(struct dma_chan *chan, dma_addr_t *pq, dma_addr_t *src,
 		return NULL;
 	BUG_ON(len > IOP_ADMA_XOR_MAX_BYTE_COUNT);
 
-	dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %u\n",
+	dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %zu\n",
 		__func__, src_cnt, len);
 
 	spin_lock_bh(&iop_chan->lock);
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index ceabdea40ae0..982631d4e1f8 100644
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -2273,9 +2273,6 @@ static int edma_probe(struct platform_device *pdev)
 
 	ecc->default_queue = info->default_queue;
 
-	for (i = 0; i < ecc->num_slots; i++)
-		edma_write_slot(ecc, i, &dummy_paramset);
-
 	if (info->rsv) {
 		/* Set the reserved slots in inuse list */
 		rsv_slots = info->rsv->rsv_slots;
@@ -2288,6 +2285,12 @@ static int edma_probe(struct platform_device *pdev)
 		}
 	}
 
+	for (i = 0; i < ecc->num_slots; i++) {
+		/* Reset only unused - not reserved - paRAM slots */
+		if (!test_bit(i, ecc->slot_inuse))
+			edma_write_slot(ecc, i, &dummy_paramset);
+	}
+
 	/* Clear the xbar mapped channels in unused list */
 	xbar_chans = info->xbar_chans;
 	if (xbar_chans) {
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index 8816f74a22b4..2d12b94eccda 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -1829,6 +1829,7 @@ static void altr_edac_a10_irq_handler(struct irq_desc *desc)
 	struct altr_arria10_edac *edac = irq_desc_get_handler_data(desc);
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	int irq = irq_desc_get_irq(desc);
+	unsigned long bits;
 
 	dberr = (irq == edac->db_irq) ? 1 : 0;
 	sm_offset = dberr ? A10_SYSMGR_ECC_INTSTAT_DERR_OFST :
@@ -1838,7 +1839,8 @@ static void altr_edac_a10_irq_handler(struct irq_desc *desc)
 
 	regmap_read(edac->ecc_mgr_map, sm_offset, &irq_status);
 
-	for_each_set_bit(bit, (unsigned long *)&irq_status, 32) {
+	bits = irq_status;
+	for_each_set_bit(bit, &bits, 32) {
 		irq = irq_linear_revmap(edac->domain, dberr * 32 + bit);
 		if (irq)
 			generic_handle_irq(irq);
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 873437be86d9..608fdab566b3 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -810,7 +810,7 @@ static void debug_display_dimm_sizes_df(struct amd64_pvt *pvt, u8 ctrl)
 
 	edac_printk(KERN_DEBUG, EDAC_MC, "UMC%d chip selects:\n", ctrl);
 
-	for (dimm = 0; dimm < 4; dimm++) {
+	for (dimm = 0; dimm < 2; dimm++) {
 		size0 = 0;
 		cs0 = dimm * 2;
 
@@ -942,89 +942,102 @@ static void prep_chip_selects(struct amd64_pvt *pvt)
 	} else if (pvt->fam == 0x15 && pvt->model == 0x30) {
 		pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 4;
 		pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 2;
+	} else if (pvt->fam >= 0x17) {
+		int umc;
+
+		for_each_umc(umc) {
+			pvt->csels[umc].b_cnt = 4;
+			pvt->csels[umc].m_cnt = 2;
+		}
+
 	} else {
 		pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 8;
 		pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 4;
 	}
 }
 
+static void read_umc_base_mask(struct amd64_pvt *pvt)
+{
+	u32 umc_base_reg, umc_mask_reg;
+	u32 base_reg, mask_reg;
+	u32 *base, *mask;
+	int cs, umc;
+
+	for_each_umc(umc) {
+		umc_base_reg = get_umc_base(umc) + UMCCH_BASE_ADDR;
+
+		for_each_chip_select(cs, umc, pvt) {
+			base = &pvt->csels[umc].csbases[cs];
+
+			base_reg = umc_base_reg + (cs * 4);
+
+			if (!amd_smn_read(pvt->mc_node_id, base_reg, base))
+				edac_dbg(0, "  DCSB%d[%d]=0x%08x reg: 0x%x\n",
+					 umc, cs, *base, base_reg);
+		}
+
+		umc_mask_reg = get_umc_base(umc) + UMCCH_ADDR_MASK;
+
+		for_each_chip_select_mask(cs, umc, pvt) {
+			mask = &pvt->csels[umc].csmasks[cs];
+
+			mask_reg = umc_mask_reg + (cs * 4);
+
+			if (!amd_smn_read(pvt->mc_node_id, mask_reg, mask))
+				edac_dbg(0, "  DCSM%d[%d]=0x%08x reg: 0x%x\n",
+					 umc, cs, *mask, mask_reg);
+		}
+	}
+}
+
 /*
  * Function 2 Offset F10_DCSB0; read in the DCS Base and DCS Mask registers
  */
 static void read_dct_base_mask(struct amd64_pvt *pvt)
 {
-	int base_reg0, base_reg1, mask_reg0, mask_reg1, cs;
+	int cs;
 
 	prep_chip_selects(pvt);
 
-	if (pvt->umc) {
-		base_reg0 = get_umc_base(0) + UMCCH_BASE_ADDR;
-		base_reg1 = get_umc_base(1) + UMCCH_BASE_ADDR;
-		mask_reg0 = get_umc_base(0) + UMCCH_ADDR_MASK;
-		mask_reg1 = get_umc_base(1) + UMCCH_ADDR_MASK;
-	} else {
-		base_reg0 = DCSB0;
-		base_reg1 = DCSB1;
-		mask_reg0 = DCSM0;
-		mask_reg1 = DCSM1;
-	}
+	if (pvt->umc)
+		return read_umc_base_mask(pvt);
 
 	for_each_chip_select(cs, 0, pvt) {
-		int reg0   = base_reg0 + (cs * 4);
-		int reg1   = base_reg1 + (cs * 4);
+		int reg0   = DCSB0 + (cs * 4);
+		int reg1   = DCSB1 + (cs * 4);
 		u32 *base0 = &pvt->csels[0].csbases[cs];
 		u32 *base1 = &pvt->csels[1].csbases[cs];
 
-		if (pvt->umc) {
-			if (!amd_smn_read(pvt->mc_node_id, reg0, base0))
-				edac_dbg(0, "  DCSB0[%d]=0x%08x reg: 0x%x\n",
-					 cs, *base0, reg0);
-
-			if (!amd_smn_read(pvt->mc_node_id, reg1, base1))
-				edac_dbg(0, "  DCSB1[%d]=0x%08x reg: 0x%x\n",
-					 cs, *base1, reg1);
-		} else {
-			if (!amd64_read_dct_pci_cfg(pvt, 0, reg0, base0))
-				edac_dbg(0, "  DCSB0[%d]=0x%08x reg: F2x%x\n",
-					 cs, *base0, reg0);
+		if (!amd64_read_dct_pci_cfg(pvt, 0, reg0, base0))
+			edac_dbg(0, "  DCSB0[%d]=0x%08x reg: F2x%x\n",
+				 cs, *base0, reg0);
 
-			if (pvt->fam == 0xf)
-				continue;
+		if (pvt->fam == 0xf)
+			continue;
 
-			if (!amd64_read_dct_pci_cfg(pvt, 1, reg0, base1))
-				edac_dbg(0, "  DCSB1[%d]=0x%08x reg: F2x%x\n",
-					 cs, *base1, (pvt->fam == 0x10) ? reg1
-								: reg0);
-		}
+		if (!amd64_read_dct_pci_cfg(pvt, 1, reg0, base1))
+			edac_dbg(0, "  DCSB1[%d]=0x%08x reg: F2x%x\n",
+				 cs, *base1, (pvt->fam == 0x10) ? reg1
+							: reg0);
 	}
 
 	for_each_chip_select_mask(cs, 0, pvt) {
-		int reg0   = mask_reg0 + (cs * 4);
-		int reg1   = mask_reg1 + (cs * 4);
+		int reg0   = DCSM0 + (cs * 4);
+		int reg1   = DCSM1 + (cs * 4);
 		u32 *mask0 = &pvt->csels[0].csmasks[cs];
 		u32 *mask1 = &pvt->csels[1].csmasks[cs];
 
-		if (pvt->umc) {
-			if (!amd_smn_read(pvt->mc_node_id, reg0, mask0))
-				edac_dbg(0, "    DCSM0[%d]=0x%08x reg: 0x%x\n",
-					 cs, *mask0, reg0);
+		if (!amd64_read_dct_pci_cfg(pvt, 0, reg0, mask0))
+			edac_dbg(0, "    DCSM0[%d]=0x%08x reg: F2x%x\n",
+				 cs, *mask0, reg0);
 
-			if (!amd_smn_read(pvt->mc_node_id, reg1, mask1))
-				edac_dbg(0, "    DCSM1[%d]=0x%08x reg: 0x%x\n",
-					 cs, *mask1, reg1);
-		} else {
-			if (!amd64_read_dct_pci_cfg(pvt, 0, reg0, mask0))
-				edac_dbg(0, "    DCSM0[%d]=0x%08x reg: F2x%x\n",
-					 cs, *mask0, reg0);
-
-			if (pvt->fam == 0xf)
-				continue;
+		if (pvt->fam == 0xf)
+			continue;
 
-			if (!amd64_read_dct_pci_cfg(pvt, 1, reg0, mask1))
-				edac_dbg(0, "    DCSM1[%d]=0x%08x reg: F2x%x\n",
-					 cs, *mask1, (pvt->fam == 0x10) ? reg1
-								: reg0);
-		}
+		if (!amd64_read_dct_pci_cfg(pvt, 1, reg0, mask1))
+			edac_dbg(0, "    DCSM1[%d]=0x%08x reg: F2x%x\n",
+				 cs, *mask1, (pvt->fam == 0x10) ? reg1
+							: reg0);
 	}
 }
 
@@ -2537,13 +2550,6 @@ static void decode_umc_error(int node_id, struct mce *m)
 
 	err.channel = find_umc_channel(m);
 
-	if (umc_normaddr_to_sysaddr(m->addr, pvt->mc_node_id, err.channel, &sys_addr)) {
-		err.err_code = ERR_NORM_ADDR;
-		goto log_error;
-	}
-
-	error_address_to_page_and_offset(sys_addr, &err);
-
 	if (!(m->status & MCI_STATUS_SYNDV)) {
 		err.err_code = ERR_SYND;
 		goto log_error;
@@ -2560,6 +2566,13 @@ static void decode_umc_error(int node_id, struct mce *m)
 
 	err.csrow = m->synd & 0x7;
 
+	if (umc_normaddr_to_sysaddr(m->addr, pvt->mc_node_id, err.channel, &sys_addr)) {
+		err.err_code = ERR_NORM_ADDR;
+		goto log_error;
+	}
+
+	error_address_to_page_and_offset(sys_addr, &err);
+
 log_error:
 	__log_ecc_error(mci, &err, ecc_type);
 }
@@ -3137,12 +3150,15 @@ static bool ecc_enabled(struct pci_dev *F3, u16 nid)
 static inline void
 f17h_determine_edac_ctl_cap(struct mem_ctl_info *mci, struct amd64_pvt *pvt)
 {
-	u8 i, ecc_en = 1, cpk_en = 1;
+	u8 i, ecc_en = 1, cpk_en = 1, dev_x4 = 1, dev_x16 = 1;
 
 	for_each_umc(i) {
 		if (pvt->umc[i].sdp_ctrl & UMC_SDP_INIT) {
 			ecc_en &= !!(pvt->umc[i].umc_cap_hi & UMC_ECC_ENABLED);
 			cpk_en &= !!(pvt->umc[i].umc_cap_hi & UMC_ECC_CHIPKILL_CAP);
+
+			dev_x4  &= !!(pvt->umc[i].dimm_cfg & BIT(6));
+			dev_x16 &= !!(pvt->umc[i].dimm_cfg & BIT(7));
 		}
 	}
 
@@ -3150,8 +3166,15 @@ f17h_determine_edac_ctl_cap(struct mem_ctl_info *mci, struct amd64_pvt *pvt)
 	if (ecc_en) {
 		mci->edac_ctl_cap |= EDAC_FLAG_SECDED;
 
-		if (cpk_en)
+		if (!cpk_en)
+			return;
+
+		if (dev_x4)
 			mci->edac_ctl_cap |= EDAC_FLAG_S4ECD4ED;
+		else if (dev_x16)
+			mci->edac_ctl_cap |= EDAC_FLAG_S16ECD16ED;
+		else
+			mci->edac_ctl_cap |= EDAC_FLAG_S8ECD8ED;
 	}
 }
 
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 8f66472f7adc..4dce6a2ac75f 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -96,6 +96,7 @@
 /* Hardware limit on ChipSelect rows per MC and processors per system */
 #define NUM_CHIPSELECTS			8
 #define DRAM_RANGES			8
+#define NUM_CONTROLLERS			8
 
 #define ON true
 #define OFF false
@@ -351,8 +352,8 @@ struct amd64_pvt {
 	u32 dbam0;		/* DRAM Base Address Mapping reg for DCT0 */
 	u32 dbam1;		/* DRAM Base Address Mapping reg for DCT1 */
 
-	/* one for each DCT */
-	struct chip_select csels[2];
+	/* one for each DCT/UMC */
+	struct chip_select csels[NUM_CONTROLLERS];
 
 	/* DRAM base and limit pairs F1x[78,70,68,60,58,50,48,40] */
 	struct dram_range ranges[DRAM_RANGES];
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 64922c8fa7e3..d899d86897d0 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -1235,9 +1235,13 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
 	if (p > e->location)
 		*(p - 1) = '\0';
 
-	/* Report the error via the trace interface */
-	grain_bits = fls_long(e->grain) + 1;
+	/* Sanity-check driver-supplied grain value. */
+	if (WARN_ON_ONCE(!e->grain))
+		e->grain = 1;
+
+	grain_bits = fls_long(e->grain - 1);
 
+	/* Report the error via the trace interface */
 	if (IS_ENABLED(CONFIG_RAS))
 		trace_mc_event(type, e->msg, e->label, e->error_count,
 			       mci->mc_idx, e->top_layer, e->mid_layer,
diff --git a/drivers/edac/pnd2_edac.c b/drivers/edac/pnd2_edac.c
index ca25f8fe57ef..1ad538baaa4a 100644
--- a/drivers/edac/pnd2_edac.c
+++ b/drivers/edac/pnd2_edac.c
@@ -260,11 +260,14 @@ static u64 get_sideband_reg_base_addr(void)
 	}
 }
 
+#define DNV_MCHBAR_SIZE  0x8000
+#define DNV_SB_PORT_SIZE 0x10000
 static int dnv_rd_reg(int port, int off, int op, void *data, size_t sz, char *name)
 {
 	struct pci_dev *pdev;
 	char *base;
 	u64 addr;
+	unsigned long size;
 
 	if (op == 4) {
 		pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x1980, NULL);
@@ -279,15 +282,17 @@ static int dnv_rd_reg(int port, int off, int op, void *data, size_t sz, char *na
 			addr = get_mem_ctrl_hub_base_addr();
 			if (!addr)
 				return -ENODEV;
+			size = DNV_MCHBAR_SIZE;
 		} else {
 			/* MMIO via sideband register base address */
 			addr = get_sideband_reg_base_addr();
 			if (!addr)
 				return -ENODEV;
 			addr += (port << 16);
+			size = DNV_SB_PORT_SIZE;
 		}
 
-		base = ioremap((resource_size_t)addr, 0x10000);
+		base = ioremap((resource_size_t)addr, size);
 		if (!base)
 			return -ENODEV;
 
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index b5bc4c7a8fab..b49c9e6f4bf1 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -271,6 +271,14 @@ static void scmi_tx_prepare(struct mbox_client *cl, void *m)
 	struct scmi_chan_info *cinfo = client_to_scmi_chan_info(cl);
 	struct scmi_shared_mem __iomem *mem = cinfo->payload;
 
+	/*
+	 * Ideally channel must be free by now unless OS timeout last
+	 * request and platform continued to process the same, wait
+	 * until it releases the shared memory, otherwise we may endup
+	 * overwriting its response with new message payload or vice-versa
+	 */
+	spin_until_cond(ioread32(&mem->channel_status) &
+			SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE);
 	/* Mark channel busy + clear error */
 	iowrite32(0x0, &mem->channel_status);
 	iowrite32(t->hdr.poll_completion ? 0 : SCMI_SHMEM_FLAG_INTR_ENABLED,
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c
index 8fa977c7861f..addf0749dd8b 100644
--- a/drivers/firmware/efi/cper.c
+++ b/drivers/firmware/efi/cper.c
@@ -390,6 +390,21 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
 		printk(
 	"%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n",
 	pfx, pcie->bridge.secondary_status, pcie->bridge.control);
+
+	/* Fatal errors call __ghes_panic() before AER handler prints this */
+	if ((pcie->validation_bits & CPER_PCIE_VALID_AER_INFO) &&
+	    (gdata->error_severity & CPER_SEV_FATAL)) {
+		struct aer_capability_regs *aer;
+
+		aer = (struct aer_capability_regs *)pcie->aer_info;
+		printk("%saer_uncor_status: 0x%08x, aer_uncor_mask: 0x%08x\n",
+		       pfx, aer->uncor_status, aer->uncor_mask);
+		printk("%saer_uncor_severity: 0x%08x\n",
+		       pfx, aer->uncor_severity);
+		printk("%sTLP Header: %08x %08x %08x %08x\n", pfx,
+		       aer->header_log.dw0, aer->header_log.dw1,
+		       aer->header_log.dw2, aer->header_log.dw3);
+	}
 }
 
 static void cper_print_tstamp(const char *pfx,
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 2ddc118dba1b..74b84244a0db 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -9,6 +9,7 @@
 #include <linux/init.h>
 #include <linux/cpumask.h>
 #include <linux/export.h>
+#include <linux/dma-direct.h>
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/types.h>
@@ -440,6 +441,7 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
 	phys_addr_t mem_to_map_phys;
 	phys_addr_t dest_phys;
 	phys_addr_t ptr_phys;
+	dma_addr_t ptr_dma;
 	size_t mem_to_map_sz;
 	size_t dest_sz;
 	size_t src_sz;
@@ -457,9 +459,10 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
 	ptr_sz = ALIGN(src_sz, SZ_64) + ALIGN(mem_to_map_sz, SZ_64) +
 			ALIGN(dest_sz, SZ_64);
 
-	ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_phys, GFP_KERNEL);
+	ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_dma, GFP_KERNEL);
 	if (!ptr)
 		return -ENOMEM;
+	ptr_phys = dma_to_phys(__scm->dev, ptr_dma);
 
 	/* Fill source vmid detail */
 	src = ptr;
@@ -489,7 +492,7 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
 
 	ret = __qcom_scm_assign_mem(__scm->dev, mem_to_map_phys, mem_to_map_sz,
 				    ptr_phys, src_sz, dest_phys, dest_sz);
-	dma_free_coherent(__scm->dev, ALIGN(ptr_sz, SZ_64), ptr, ptr_phys);
+	dma_free_coherent(__scm->dev, ptr_sz, ptr, ptr_dma);
 	if (ret) {
 		dev_err(__scm->dev,
 			"Assign memory protection call failed %d.\n", ret);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 279ced1d64ed..6a743aaf2669 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1958,6 +1958,7 @@ static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd)
 }
 
 static const struct backlight_ops amdgpu_dm_backlight_ops = {
+	.options = BL_CORE_SUSPENDRESUME,
 	.get_brightness = amdgpu_dm_backlight_get_brightness,
 	.update_status	= amdgpu_dm_backlight_update_status,
 };
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 048757e8f494..d1919d343cce 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -4064,6 +4064,11 @@ static int smu7_program_display_gap(struct pp_hwmgr *hwmgr)
 
 	data->frame_time_x2 = frame_time_in_us * 2 / 100;
 
+	if (data->frame_time_x2 < 280) {
+		pr_debug("%s: enforce minimal VBITimeout: %d -> 280\n", __func__, data->frame_time_x2);
+		data->frame_time_x2 = 280;
+	}
+
 	display_gap2 = pre_vbi_time_in_us * (ref_clock / 100);
 
 	cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL2, display_gap2);
diff --git a/drivers/gpu/drm/drm_kms_helper_common.c b/drivers/gpu/drm/drm_kms_helper_common.c
index 9c5ae825c507..69917ecd4af6 100644
--- a/drivers/gpu/drm/drm_kms_helper_common.c
+++ b/drivers/gpu/drm/drm_kms_helper_common.c
@@ -39,7 +39,7 @@ MODULE_LICENSE("GPL and additional rights");
 /* Backward compatibility for drm_kms_helper.edid_firmware */
 static int edid_firmware_set(const char *val, const struct kernel_param *kp)
 {
-	DRM_NOTE("drm_kms_firmware.edid_firmware is deprecated, please use drm.edid_firmware instead.\n");
+	DRM_NOTE("drm_kms_helper.edid_firmware is deprecated, please use drm.edid_firmware instead.\n");
 
 	return __drm_set_edid_firmware_path(val);
 }
diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
index 6ba1a08253f0..4cf25458f0b9 100644
--- a/drivers/hwmon/acpi_power_meter.c
+++ b/drivers/hwmon/acpi_power_meter.c
@@ -681,8 +681,8 @@ static int setup_attrs(struct acpi_power_meter_resource *resource)
 
 	if (resource->caps.flags & POWER_METER_CAN_CAP) {
 		if (!can_cap_in_hardware()) {
-			dev_err(&resource->acpi_dev->dev,
-				"Ignoring unsafe software power cap!\n");
+			dev_warn(&resource->acpi_dev->dev,
+				 "Ignoring unsafe software power cap!\n");
 			goto skip_unsafe_cap;
 		}
 
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index c77e89239dcd..5c1dddde193c 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -349,6 +349,7 @@ static const struct pci_device_id k10temp_id_table[] = {
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M10H_DF_F3) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M30H_DF_F3) },
+	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_M70H_DF_F3) },
 	{ PCI_VDEVICE(HYGON, PCI_DEVICE_ID_AMD_17H_DF_F3) },
 	{}
 };
diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c
index f31413fd9521..800414886f6b 100644
--- a/drivers/i2c/busses/i2c-riic.c
+++ b/drivers/i2c/busses/i2c-riic.c
@@ -202,6 +202,7 @@ static irqreturn_t riic_tend_isr(int irq, void *data)
 	if (readb(riic->base + RIIC_ICSR2) & ICSR2_NACKF) {
 		/* We got a NACKIE */
 		readb(riic->base + RIIC_ICDRR);	/* dummy read */
+		riic_clear_set_bit(riic, ICSR2_NACKF, 0, RIIC_ICSR2);
 		riic->err = -ENXIO;
 	} else if (riic->bytes_left) {
 		return IRQ_NONE;
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 9b76a8fcdd24..bf539c34ccd3 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -352,7 +352,7 @@ static bool has_gateway(const struct dst_entry *dst, sa_family_t family)
 
 	if (family == AF_INET) {
 		rt = container_of(dst, struct rtable, dst);
-		return rt->rt_gw_family == AF_INET;
+		return rt->rt_uses_gateway;
 	}
 
 	rt6 = container_of(dst, struct rt6_info, dst);
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 63fe14c7c68f..df8e8ac2c16b 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3477,7 +3477,8 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs,
 
 err_copy:
 	ib_destroy_srq_user(srq, uverbs_get_cleared_udata(attrs));
-
+	/* It was released in ib_destroy_srq_user */
+	srq = NULL;
 err_free:
 	kfree(srq);
 err_put:
diff --git a/drivers/infiniband/hw/hfi1/mad.c b/drivers/infiniband/hw/hfi1/mad.c
index 4228393e6c4c..2a936456cf64 100644
--- a/drivers/infiniband/hw/hfi1/mad.c
+++ b/drivers/infiniband/hw/hfi1/mad.c
@@ -2326,7 +2326,7 @@ struct opa_port_status_req {
 	__be32 vl_select_mask;
 };
 
-#define VL_MASK_ALL		0x000080ff
+#define VL_MASK_ALL		0x00000000000080ffUL
 
 struct opa_port_status_rsp {
 	__u8 port_num;
@@ -2625,15 +2625,14 @@ static int pma_get_opa_classportinfo(struct opa_pma_mad *pmp,
 }
 
 static void a0_portstatus(struct hfi1_pportdata *ppd,
-			  struct opa_port_status_rsp *rsp, u32 vl_select_mask)
+			  struct opa_port_status_rsp *rsp)
 {
 	if (!is_bx(ppd->dd)) {
 		unsigned long vl;
 		u64 sum_vl_xmit_wait = 0;
-		u32 vl_all_mask = VL_MASK_ALL;
+		unsigned long vl_all_mask = VL_MASK_ALL;
 
-		for_each_set_bit(vl, (unsigned long *)&(vl_all_mask),
-				 8 * sizeof(vl_all_mask)) {
+		for_each_set_bit(vl, &vl_all_mask, BITS_PER_LONG) {
 			u64 tmp = sum_vl_xmit_wait +
 				  read_port_cntr(ppd, C_TX_WAIT_VL,
 						 idx_from_vl(vl));
@@ -2730,12 +2729,12 @@ static int pma_get_opa_portstatus(struct opa_pma_mad *pmp,
 		(struct opa_port_status_req *)pmp->data;
 	struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
 	struct opa_port_status_rsp *rsp;
-	u32 vl_select_mask = be32_to_cpu(req->vl_select_mask);
+	unsigned long vl_select_mask = be32_to_cpu(req->vl_select_mask);
 	unsigned long vl;
 	size_t response_data_size;
 	u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24;
 	u8 port_num = req->port_num;
-	u8 num_vls = hweight32(vl_select_mask);
+	u8 num_vls = hweight64(vl_select_mask);
 	struct _vls_pctrs *vlinfo;
 	struct hfi1_ibport *ibp = to_iport(ibdev, port);
 	struct hfi1_pportdata *ppd = ppd_from_ibp(ibp);
@@ -2771,7 +2770,7 @@ static int pma_get_opa_portstatus(struct opa_pma_mad *pmp,
 
 	hfi1_read_link_quality(dd, &rsp->link_quality_indicator);
 
-	rsp->vl_select_mask = cpu_to_be32(vl_select_mask);
+	rsp->vl_select_mask = cpu_to_be32((u32)vl_select_mask);
 	rsp->port_xmit_data = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_FLITS,
 					  CNTR_INVALID_VL));
 	rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS,
@@ -2842,8 +2841,7 @@ static int pma_get_opa_portstatus(struct opa_pma_mad *pmp,
 	 * So in the for_each_set_bit() loop below, we don't need
 	 * any additional checks for vl.
 	 */
-	for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
-			 8 * sizeof(vl_select_mask)) {
+	for_each_set_bit(vl, &vl_select_mask, BITS_PER_LONG) {
 		memset(vlinfo, 0, sizeof(*vlinfo));
 
 		tmp = read_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl));
@@ -2884,7 +2882,7 @@ static int pma_get_opa_portstatus(struct opa_pma_mad *pmp,
 		vfi++;
 	}
 
-	a0_portstatus(ppd, rsp, vl_select_mask);
+	a0_portstatus(ppd, rsp);
 
 	if (resp_len)
 		*resp_len += response_data_size;
@@ -2931,16 +2929,14 @@ static u64 get_error_counter_summary(struct ib_device *ibdev, u8 port,
 	return error_counter_summary;
 }
 
-static void a0_datacounters(struct hfi1_pportdata *ppd, struct _port_dctrs *rsp,
-			    u32 vl_select_mask)
+static void a0_datacounters(struct hfi1_pportdata *ppd, struct _port_dctrs *rsp)
 {
 	if (!is_bx(ppd->dd)) {
 		unsigned long vl;
 		u64 sum_vl_xmit_wait = 0;
-		u32 vl_all_mask = VL_MASK_ALL;
+		unsigned long vl_all_mask = VL_MASK_ALL;
 
-		for_each_set_bit(vl, (unsigned long *)&(vl_all_mask),
-				 8 * sizeof(vl_all_mask)) {
+		for_each_set_bit(vl, &vl_all_mask, BITS_PER_LONG) {
 			u64 tmp = sum_vl_xmit_wait +
 				  read_port_cntr(ppd, C_TX_WAIT_VL,
 						 idx_from_vl(vl));
@@ -2995,7 +2991,7 @@ static int pma_get_opa_datacounters(struct opa_pma_mad *pmp,
 	u64 port_mask;
 	u8 port_num;
 	unsigned long vl;
-	u32 vl_select_mask;
+	unsigned long vl_select_mask;
 	int vfi;
 	u16 link_width;
 	u16 link_speed;
@@ -3073,8 +3069,7 @@ static int pma_get_opa_datacounters(struct opa_pma_mad *pmp,
 	 * So in the for_each_set_bit() loop below, we don't need
 	 * any additional checks for vl.
 	 */
-	for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
-			 8 * sizeof(req->vl_select_mask)) {
+	for_each_set_bit(vl, &vl_select_mask, BITS_PER_LONG) {
 		memset(vlinfo, 0, sizeof(*vlinfo));
 
 		rsp->vls[vfi].port_vl_xmit_data =
@@ -3122,7 +3117,7 @@ static int pma_get_opa_datacounters(struct opa_pma_mad *pmp,
 		vfi++;
 	}
 
-	a0_datacounters(ppd, rsp, vl_select_mask);
+	a0_datacounters(ppd, rsp);
 
 	if (resp_len)
 		*resp_len += response_data_size;
@@ -3217,7 +3212,7 @@ static int pma_get_opa_porterrors(struct opa_pma_mad *pmp,
 	struct _vls_ectrs *vlinfo;
 	unsigned long vl;
 	u64 port_mask, tmp;
-	u32 vl_select_mask;
+	unsigned long vl_select_mask;
 	int vfi;
 
 	req = (struct opa_port_error_counters64_msg *)pmp->data;
@@ -3276,8 +3271,7 @@ static int pma_get_opa_porterrors(struct opa_pma_mad *pmp,
 	vlinfo = &rsp->vls[0];
 	vfi = 0;
 	vl_select_mask = be32_to_cpu(req->vl_select_mask);
-	for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
-			 8 * sizeof(req->vl_select_mask)) {
+	for_each_set_bit(vl, &vl_select_mask, BITS_PER_LONG) {
 		memset(vlinfo, 0, sizeof(*vlinfo));
 		rsp->vls[vfi].port_vl_xmit_discards =
 			cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD_VL,
@@ -3488,7 +3482,7 @@ static int pma_set_opa_portstatus(struct opa_pma_mad *pmp,
 	u32 nports = be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24;
 	u64 portn = be64_to_cpu(req->port_select_mask[3]);
 	u32 counter_select = be32_to_cpu(req->counter_select_mask);
-	u32 vl_select_mask = VL_MASK_ALL; /* clear all per-vl cnts */
+	unsigned long vl_select_mask = VL_MASK_ALL; /* clear all per-vl cnts */
 	unsigned long vl;
 
 	if ((nports != 1) || (portn != 1 << port)) {
@@ -3582,8 +3576,7 @@ static int pma_set_opa_portstatus(struct opa_pma_mad *pmp,
 	if (counter_select & CS_UNCORRECTABLE_ERRORS)
 		write_dev_cntr(dd, C_DC_UNC_ERR, CNTR_INVALID_VL, 0);
 
-	for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
-			 8 * sizeof(vl_select_mask)) {
+	for_each_set_bit(vl, &vl_select_mask, BITS_PER_LONG) {
 		if (counter_select & CS_PORT_XMIT_DATA)
 			write_port_cntr(ppd, C_TX_FLIT_VL, idx_from_vl(vl), 0);
 
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
index 27f86b436b9e..7f9c23450579 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -874,16 +874,17 @@ int hfi1_verbs_send_dma(struct rvt_qp *qp, struct hfi1_pkt_state *ps,
 			else
 				pbc |= (ib_is_sc5(sc5) << PBC_DC_INFO_SHIFT);
 
-			if (unlikely(hfi1_dbg_should_fault_tx(qp, ps->opcode)))
-				pbc = hfi1_fault_tx(qp, ps->opcode, pbc);
 			pbc = create_pbc(ppd,
 					 pbc,
 					 qp->srate_mbps,
 					 vl,
 					 plen);
 
-			/* Update HCRC based on packet opcode */
-			pbc = update_hcrc(ps->opcode, pbc);
+			if (unlikely(hfi1_dbg_should_fault_tx(qp, ps->opcode)))
+				pbc = hfi1_fault_tx(qp, ps->opcode, pbc);
+			else
+				/* Update HCRC based on packet opcode */
+				pbc = update_hcrc(ps->opcode, pbc);
 		}
 		tx->wqe = qp->s_wqe;
 		ret = build_verbs_tx_desc(tx->sde, len, tx, ahg_info, pbc);
@@ -1030,12 +1031,12 @@ int hfi1_verbs_send_pio(struct rvt_qp *qp, struct hfi1_pkt_state *ps,
 		else
 			pbc |= (ib_is_sc5(sc5) << PBC_DC_INFO_SHIFT);
 
+		pbc = create_pbc(ppd, pbc, qp->srate_mbps, vl, plen);
 		if (unlikely(hfi1_dbg_should_fault_tx(qp, ps->opcode)))
 			pbc = hfi1_fault_tx(qp, ps->opcode, pbc);
-		pbc = create_pbc(ppd, pbc, qp->srate_mbps, vl, plen);
-
-		/* Update HCRC based on packet opcode */
-		pbc = update_hcrc(ps->opcode, pbc);
+		else
+			/* Update HCRC based on packet opcode */
+			pbc = update_hcrc(ps->opcode, pbc);
 	}
 	if (cb)
 		iowait_pio_inc(&priv->s_iowait);
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 9ab276a8bc81..ff6a2b1fa8b6 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -6829,6 +6829,7 @@ static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context)
 			mlx5_ib_unbind_slave_port(mpi->ibdev, mpi);
 		list_del(&mpi->list);
 		mutex_unlock(&mlx5_ib_multiport_mutex);
+		kfree(mpi);
 		return;
 	}
 
diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile
index 8c71a15e986b..826a5bbe0d09 100644
--- a/drivers/iommu/Makefile
+++ b/drivers/iommu/Makefile
@@ -10,7 +10,7 @@ obj-$(CONFIG_IOMMU_IO_PGTABLE_LPAE) += io-pgtable-arm.o
 obj-$(CONFIG_IOMMU_IOVA) += iova.o
 obj-$(CONFIG_OF_IOMMU)	+= of_iommu.o
 obj-$(CONFIG_MSM_IOMMU) += msm_iommu.o
-obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o
+obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o amd_iommu_quirks.o
 obj-$(CONFIG_AMD_IOMMU_DEBUGFS) += amd_iommu_debugfs.o
 obj-$(CONFIG_AMD_IOMMU_V2) += amd_iommu_v2.o
 obj-$(CONFIG_ARM_SMMU) += arm-smmu.o
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 3e687f18b203..a0b64c43257a 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2570,7 +2570,9 @@ static int map_sg(struct device *dev, struct scatterlist *sglist,
 
 			bus_addr  = address + s->dma_address + (j << PAGE_SHIFT);
 			phys_addr = (sg_phys(s) & PAGE_MASK) + (j << PAGE_SHIFT);
-			ret = iommu_map_page(domain, bus_addr, phys_addr, PAGE_SIZE, prot, GFP_ATOMIC);
+			ret = iommu_map_page(domain, bus_addr, phys_addr,
+					     PAGE_SIZE, prot,
+					     GFP_ATOMIC | __GFP_NOWARN);
 			if (ret)
 				goto out_unmap;
 
diff --git a/drivers/iommu/amd_iommu.h b/drivers/iommu/amd_iommu.h
new file mode 100644
index 000000000000..12d540d9b59b
--- /dev/null
+++ b/drivers/iommu/amd_iommu.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef AMD_IOMMU_H
+#define AMD_IOMMU_H
+
+int __init add_special_device(u8 type, u8 id, u16 *devid, bool cmd_line);
+
+#ifdef CONFIG_DMI
+void amd_iommu_apply_ivrs_quirks(void);
+#else
+static void amd_iommu_apply_ivrs_quirks(void) { }
+#endif
+
+#endif
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 07d84dbab564..6469f5128242 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -30,6 +30,7 @@
 #include <asm/irq_remapping.h>
 
 #include <linux/crash_dump.h>
+#include "amd_iommu.h"
 #include "amd_iommu_proto.h"
 #include "amd_iommu_types.h"
 #include "irq_remapping.h"
@@ -997,7 +998,7 @@ static void __init set_dev_entry_from_acpi(struct amd_iommu *iommu,
 	set_iommu_for_device(iommu, devid);
 }
 
-static int __init add_special_device(u8 type, u8 id, u16 *devid, bool cmd_line)
+int __init add_special_device(u8 type, u8 id, u16 *devid, bool cmd_line)
 {
 	struct devid_map *entry;
 	struct list_head *list;
@@ -1148,6 +1149,8 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
 	if (ret)
 		return ret;
 
+	amd_iommu_apply_ivrs_quirks();
+
 	/*
 	 * First save the recommended feature enable bits from ACPI
 	 */
diff --git a/drivers/iommu/amd_iommu_quirks.c b/drivers/iommu/amd_iommu_quirks.c
new file mode 100644
index 000000000000..c235f79b7a20
--- /dev/null
+++ b/drivers/iommu/amd_iommu_quirks.c
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * Quirks for AMD IOMMU
+ *
+ * Copyright (C) 2019 Kai-Heng Feng <kai.heng.feng@canonical.com>
+ */
+
+#ifdef CONFIG_DMI
+#include <linux/dmi.h>
+
+#include "amd_iommu.h"
+
+#define IVHD_SPECIAL_IOAPIC		1
+
+struct ivrs_quirk_entry {
+	u8 id;
+	u16 devid;
+};
+
+enum {
+	DELL_INSPIRON_7375 = 0,
+	DELL_LATITUDE_5495,
+	LENOVO_IDEAPAD_330S_15ARR,
+};
+
+static const struct ivrs_quirk_entry ivrs_ioapic_quirks[][3] __initconst = {
+	/* ivrs_ioapic[4]=00:14.0 ivrs_ioapic[5]=00:00.2 */
+	[DELL_INSPIRON_7375] = {
+		{ .id = 4, .devid = 0xa0 },
+		{ .id = 5, .devid = 0x2 },
+		{}
+	},
+	/* ivrs_ioapic[4]=00:14.0 */
+	[DELL_LATITUDE_5495] = {
+		{ .id = 4, .devid = 0xa0 },
+		{}
+	},
+	/* ivrs_ioapic[32]=00:14.0 */
+	[LENOVO_IDEAPAD_330S_15ARR] = {
+		{ .id = 32, .devid = 0xa0 },
+		{}
+	},
+	{}
+};
+
+static int __init ivrs_ioapic_quirk_cb(const struct dmi_system_id *d)
+{
+	const struct ivrs_quirk_entry *i;
+
+	for (i = d->driver_data; i->id != 0 && i->devid != 0; i++)
+		add_special_device(IVHD_SPECIAL_IOAPIC, i->id, (u16 *)&i->devid, 0);
+
+	return 0;
+}
+
+static const struct dmi_system_id ivrs_quirks[] __initconst = {
+	{
+		.callback = ivrs_ioapic_quirk_cb,
+		.ident = "Dell Inspiron 7375",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7375"),
+		},
+		.driver_data = (void *)&ivrs_ioapic_quirks[DELL_INSPIRON_7375],
+	},
+	{
+		.callback = ivrs_ioapic_quirk_cb,
+		.ident = "Dell Latitude 5495",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 5495"),
+		},
+		.driver_data = (void *)&ivrs_ioapic_quirks[DELL_LATITUDE_5495],
+	},
+	{
+		.callback = ivrs_ioapic_quirk_cb,
+		.ident = "Lenovo ideapad 330S-15ARR",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "81FB"),
+		},
+		.driver_data = (void *)&ivrs_ioapic_quirks[LENOVO_IDEAPAD_330S_15ARR],
+	},
+	{}
+};
+
+void __init amd_iommu_apply_ivrs_quirks(void)
+{
+	dmi_check_system(ivrs_quirks);
+}
+#endif
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 0fee8f7957ec..f04c13d52598 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2817,11 +2817,13 @@ static int arm_smmu_device_hw_probe(struct arm_smmu_device *smmu)
 	}
 
 	/* Boolean feature flags */
+#if 0	/* ATS invalidation is slow and broken */
 	if (IS_ENABLED(CONFIG_PCI_PRI) && reg & IDR0_PRI)
 		smmu->features |= ARM_SMMU_FEAT_PRI;
 
 	if (IS_ENABLED(CONFIG_PCI_ATS) && reg & IDR0_ATS)
 		smmu->features |= ARM_SMMU_FEAT_ATS;
+#endif
 
 	if (reg & IDR0_SEV)
 		smmu->features |= ARM_SMMU_FEAT_SEV;
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 4160aa9f3f80..04a6cd90812c 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -376,13 +376,13 @@ static int set_msi_sid_cb(struct pci_dev *pdev, u16 alias, void *opaque)
 {
 	struct set_msi_sid_data *data = opaque;
 
+	if (data->count == 0 || PCI_BUS_NUM(alias) == PCI_BUS_NUM(data->alias))
+		data->busmatch_count++;
+
 	data->pdev = pdev;
 	data->alias = alias;
 	data->count++;
 
-	if (PCI_BUS_NUM(alias) == pdev->bus->number)
-		data->busmatch_count++;
-
 	return 0;
 }
 
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 3e1a8a675572..41c605b0058f 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -577,7 +577,9 @@ void queue_iova(struct iova_domain *iovad,
 
 	spin_unlock_irqrestore(&fq->lock, flags);
 
-	if (atomic_cmpxchg(&iovad->fq_timer_on, 0, 1) == 0)
+	/* Avoid false sharing as much as possible. */
+	if (!atomic_read(&iovad->fq_timer_on) &&
+	    !atomic_cmpxchg(&iovad->fq_timer_on, 0, 1))
 		mod_timer(&iovad->fq_timer,
 			  jiffies + msecs_to_jiffies(IOVA_FQ_TIMEOUT));
 }
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 20e5482d91b9..fca8b9002852 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2641,14 +2641,13 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq,
 	struct its_node *its = its_dev->its;
 	int i;
 
+	bitmap_release_region(its_dev->event_map.lpi_map,
+			      its_get_event_id(irq_domain_get_irq_data(domain, virq)),
+			      get_count_order(nr_irqs));
+
 	for (i = 0; i < nr_irqs; i++) {
 		struct irq_data *data = irq_domain_get_irq_data(domain,
 								virq + i);
-		u32 event = its_get_event_id(data);
-
-		/* Mark interrupt index as unused */
-		clear_bit(event, its_dev->event_map.lpi_map);
-
 		/* Nuke the entry in the domain */
 		irq_domain_reset_irq_data(data);
 	}
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index cf755964f2f8..c72c036aea76 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -244,6 +244,7 @@ static int __init plic_init(struct device_node *node,
 		struct plic_handler *handler;
 		irq_hw_number_t hwirq;
 		int cpu, hartid;
+		u32 threshold = 0;
 
 		if (of_irq_parse_one(node, i, &parent)) {
 			pr_err("failed to parse parent for context %d.\n", i);
@@ -266,10 +267,16 @@ static int __init plic_init(struct device_node *node,
 			continue;
 		}
 
+		/*
+		 * When running in M-mode we need to ignore the S-mode handler.
+		 * Here we assume it always comes later, but that might be a
+		 * little fragile.
+		 */
 		handler = per_cpu_ptr(&plic_handlers, cpu);
 		if (handler->present) {
 			pr_warn("handler already present for context %d.\n", i);
-			continue;
+			threshold = 0xffffffff;
+			goto done;
 		}
 
 		handler->present = true;
@@ -279,8 +286,9 @@ static int __init plic_init(struct device_node *node,
 		handler->enable_base =
 			plic_regs + ENABLE_BASE + i * ENABLE_PER_HART;
 
+done:
 		/* priority must be > threshold to trigger an interrupt */
-		writel(0, handler->hart_base + CONTEXT_THRESHOLD);
+		writel(threshold, handler->hart_base + CONTEXT_THRESHOLD);
 		for (hwirq = 1; hwirq <= nr_irqs; hwirq++)
 			plic_toggle(handler, hwirq, 0);
 		nr_handlers++;
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index c6ba37df4b9d..dff4132b3702 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -754,6 +754,8 @@ base_sock_create(struct net *net, struct socket *sock, int protocol, int kern)
 
 	if (sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
+	if (!capable(CAP_NET_RAW))
+		return -EPERM;
 
 	sk = sk_alloc(net, PF_ISDN, GFP_KERNEL, &mISDN_proto, kern);
 	if (!sk)
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 8d11a5e23227..eff1bda8b520 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -173,6 +173,7 @@ int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
 	list_del(&led_cdev->trig_list);
 	write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock, flags);
 	led_set_brightness(led_cdev, LED_OFF);
+	kfree(event);
 
 	return ret;
 }
diff --git a/drivers/leds/leds-lm3532.c b/drivers/leds/leds-lm3532.c
index 180895b83b88..e55a64847fe2 100644
--- a/drivers/leds/leds-lm3532.c
+++ b/drivers/leds/leds-lm3532.c
@@ -40,7 +40,7 @@
 #define LM3532_REG_ZN_3_LO	0x67
 #define LM3532_REG_MAX		0x7e
 
-/* Contorl Enable */
+/* Control Enable */
 #define LM3532_CTRL_A_ENABLE	BIT(0)
 #define LM3532_CTRL_B_ENABLE	BIT(1)
 #define LM3532_CTRL_C_ENABLE	BIT(2)
@@ -302,7 +302,7 @@ static int lm3532_led_disable(struct lm3532_led *led_data)
 	int ret;
 
 	ret = regmap_update_bits(led_data->priv->regmap, LM3532_REG_ENABLE,
-					 ctrl_en_val, ~ctrl_en_val);
+					 ctrl_en_val, 0);
 	if (ret) {
 		dev_err(led_data->priv->dev, "Failed to set ctrl:%d\n", ret);
 		return ret;
@@ -321,7 +321,7 @@ static int lm3532_brightness_set(struct led_classdev *led_cdev,
 
 	mutex_lock(&led->priv->lock);
 
-	if (led->mode == LM3532_BL_MODE_ALS) {
+	if (led->mode == LM3532_ALS_CTRL) {
 		if (brt_val > LED_OFF)
 			ret = lm3532_led_enable(led);
 		else
@@ -542,11 +542,14 @@ static int lm3532_parse_node(struct lm3532_data *priv)
 		}
 
 		if (led->mode == LM3532_BL_MODE_ALS) {
+			led->mode = LM3532_ALS_CTRL;
 			ret = lm3532_parse_als(priv);
 			if (ret)
 				dev_err(&priv->client->dev, "Failed to parse als\n");
 			else
 				lm3532_als_configure(priv, led);
+		} else {
+			led->mode = LM3532_I2C_CTRL;
 		}
 
 		led->num_leds = fwnode_property_read_u32_array(child,
@@ -590,7 +593,13 @@ static int lm3532_parse_node(struct lm3532_data *priv)
 			goto child_out;
 		}
 
-		lm3532_init_registers(led);
+		ret = lm3532_init_registers(led);
+		if (ret) {
+			dev_err(&priv->client->dev, "register init err: %d\n",
+				ret);
+			fwnode_handle_put(child);
+			goto child_out;
+		}
 
 		i++;
 	}
diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c
index 37632fc63741..edb57c42e8b1 100644
--- a/drivers/leds/leds-lp5562.c
+++ b/drivers/leds/leds-lp5562.c
@@ -260,7 +260,11 @@ static void lp5562_firmware_loaded(struct lp55xx_chip *chip)
 {
 	const struct firmware *fw = chip->fw;
 
-	if (fw->size > LP5562_PROGRAM_LENGTH) {
+	/*
+	 * the firmware is encoded in ascii hex character, with 2 chars
+	 * per byte
+	 */
+	if (fw->size > (LP5562_PROGRAM_LENGTH * 2)) {
 		dev_err(&chip->cl->dev, "firmware data size overflow: %zu\n",
 			fw->size);
 		return;
diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c
index 73f5319295bc..c12cd809ab19 100644
--- a/drivers/md/bcache/closure.c
+++ b/drivers/md/bcache/closure.c
@@ -105,8 +105,14 @@ struct closure_syncer {
 
 static void closure_sync_fn(struct closure *cl)
 {
-	cl->s->done = 1;
-	wake_up_process(cl->s->task);
+	struct closure_syncer *s = cl->s;
+	struct task_struct *p;
+
+	rcu_read_lock();
+	p = READ_ONCE(s->task);
+	s->done = 1;
+	wake_up_process(p);
+	rcu_read_unlock();
 }
 
 void __sched __closure_sync(struct closure *cl)
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index 5f7063f05ae0..b41ecb451c78 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -408,6 +408,7 @@ static int map_request(struct dm_rq_target_io *tio)
 		ret = dm_dispatch_clone_request(clone, rq);
 		if (ret == BLK_STS_RESOURCE || ret == BLK_STS_DEV_RESOURCE) {
 			blk_rq_unprep_clone(clone);
+			blk_mq_cleanup_rq(clone);
 			tio->ti->type->release_clone_rq(clone, &tio->info);
 			tio->clone = NULL;
 			return DM_MAPIO_REQUEUE;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9801d540fea1..c29002d8f337 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1754,8 +1754,15 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
 				if (!(le32_to_cpu(sb->feature_map) &
 				      MD_FEATURE_RECOVERY_BITMAP))
 					rdev->saved_raid_disk = -1;
-			} else
-				set_bit(In_sync, &rdev->flags);
+			} else {
+				/*
+				 * If the array is FROZEN, then the device can't
+				 * be in_sync with rest of array.
+				 */
+				if (!test_bit(MD_RECOVERY_FROZEN,
+					      &mddev->recovery))
+					set_bit(In_sync, &rdev->flags);
+			}
 			rdev->raid_disk = role;
 			break;
 		}
@@ -4098,7 +4105,7 @@ array_state_show(struct mddev *mddev, char *page)
 {
 	enum array_state st = inactive;
 
-	if (mddev->pers)
+	if (mddev->pers && !test_bit(MD_NOT_READY, &mddev->flags))
 		switch(mddev->ro) {
 		case 1:
 			st = readonly;
@@ -5653,9 +5660,6 @@ int md_run(struct mddev *mddev)
 		md_update_sb(mddev, 0);
 
 	md_new_event(mddev);
-	sysfs_notify_dirent_safe(mddev->sysfs_state);
-	sysfs_notify_dirent_safe(mddev->sysfs_action);
-	sysfs_notify(&mddev->kobj, NULL, "degraded");
 	return 0;
 
 abort:
@@ -5669,6 +5673,7 @@ static int do_md_run(struct mddev *mddev)
 {
 	int err;
 
+	set_bit(MD_NOT_READY, &mddev->flags);
 	err = md_run(mddev);
 	if (err)
 		goto out;
@@ -5689,9 +5694,14 @@ static int do_md_run(struct mddev *mddev)
 
 	set_capacity(mddev->gendisk, mddev->array_sectors);
 	revalidate_disk(mddev->gendisk);
+	clear_bit(MD_NOT_READY, &mddev->flags);
 	mddev->changed = 1;
 	kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
+	sysfs_notify_dirent_safe(mddev->sysfs_state);
+	sysfs_notify_dirent_safe(mddev->sysfs_action);
+	sysfs_notify(&mddev->kobj, NULL, "degraded");
 out:
+	clear_bit(MD_NOT_READY, &mddev->flags);
 	return err;
 }
 
@@ -8801,6 +8811,7 @@ void md_check_recovery(struct mddev *mddev)
 
 	if (mddev_trylock(mddev)) {
 		int spares = 0;
+		bool try_set_sync = mddev->safemode != 0;
 
 		if (!mddev->external && mddev->safemode == 1)
 			mddev->safemode = 0;
@@ -8846,7 +8857,7 @@ void md_check_recovery(struct mddev *mddev)
 			}
 		}
 
-		if (!mddev->external && !mddev->in_sync) {
+		if (try_set_sync && !mddev->external && !mddev->in_sync) {
 			spin_lock(&mddev->lock);
 			set_in_sync(mddev);
 			spin_unlock(&mddev->lock);
@@ -8944,7 +8955,8 @@ void md_reap_sync_thread(struct mddev *mddev)
 	/* resync has finished, collect result */
 	md_unregister_thread(&mddev->sync_thread);
 	if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery) &&
-	    !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
+	    !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery) &&
+	    mddev->degraded != mddev->raid_disks) {
 		/* success...*/
 		/* activate any spares */
 		if (mddev->pers->spare_active(mddev)) {
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 7c930c091193..6ad1f93a8c17 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -236,6 +236,9 @@ enum mddev_flags {
 	MD_UPDATING_SB,		/* md_check_recovery is updating the metadata
 				 * without explicitly holding reconfig_mutex.
 				 */
+	MD_NOT_READY,		/* do_md_run() is active, so 'array_state'
+				 * must not report that array is ready yet
+				 */
 };
 
 enum mddev_sb_flags {
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index bf5cf184a260..297bbc0f41f0 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -19,6 +19,9 @@
 #include "raid0.h"
 #include "raid5.h"
 
+static int default_layout = 0;
+module_param(default_layout, int, 0644);
+
 #define UNSUPPORTED_MDDEV_FLAGS		\
 	((1L << MD_HAS_JOURNAL) |	\
 	 (1L << MD_JOURNAL_CLEAN) |	\
@@ -139,6 +142,19 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
 	}
 	pr_debug("md/raid0:%s: FINAL %d zones\n",
 		 mdname(mddev), conf->nr_strip_zones);
+
+	if (conf->nr_strip_zones == 1) {
+		conf->layout = RAID0_ORIG_LAYOUT;
+	} else if (default_layout == RAID0_ORIG_LAYOUT ||
+		   default_layout == RAID0_ALT_MULTIZONE_LAYOUT) {
+		conf->layout = default_layout;
+	} else {
+		pr_err("md/raid0:%s: cannot assemble multi-zone RAID0 with default_layout setting\n",
+		       mdname(mddev));
+		pr_err("md/raid0: please set raid.default_layout to 1 or 2\n");
+		err = -ENOTSUPP;
+		goto abort;
+	}
 	/*
 	 * now since we have the hard sector sizes, we can make sure
 	 * chunk size is a multiple of that sector size
@@ -547,10 +563,12 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio)
 
 static bool raid0_make_request(struct mddev *mddev, struct bio *bio)
 {
+	struct r0conf *conf = mddev->private;
 	struct strip_zone *zone;
 	struct md_rdev *tmp_dev;
 	sector_t bio_sector;
 	sector_t sector;
+	sector_t orig_sector;
 	unsigned chunk_sects;
 	unsigned sectors;
 
@@ -584,8 +602,21 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio)
 		bio = split;
 	}
 
+	orig_sector = sector;
 	zone = find_zone(mddev->private, &sector);
-	tmp_dev = map_sector(mddev, zone, sector, &sector);
+	switch (conf->layout) {
+	case RAID0_ORIG_LAYOUT:
+		tmp_dev = map_sector(mddev, zone, orig_sector, &sector);
+		break;
+	case RAID0_ALT_MULTIZONE_LAYOUT:
+		tmp_dev = map_sector(mddev, zone, sector, &sector);
+		break;
+	default:
+		WARN("md/raid0:%s: Invalid layout\n", mdname(mddev));
+		bio_io_error(bio);
+		return true;
+	}
+
 	bio_set_dev(bio, tmp_dev->bdev);
 	bio->bi_iter.bi_sector = sector + zone->dev_start +
 		tmp_dev->data_offset;
diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
index 540e65d92642..3816e5477db1 100644
--- a/drivers/md/raid0.h
+++ b/drivers/md/raid0.h
@@ -8,11 +8,25 @@ struct strip_zone {
 	int	 nb_dev;	/* # of devices attached to the zone */
 };
 
+/* Linux 3.14 (20d0189b101) made an unintended change to
+ * the RAID0 layout for multi-zone arrays (where devices aren't all
+ * the same size.
+ * RAID0_ORIG_LAYOUT restores the original layout
+ * RAID0_ALT_MULTIZONE_LAYOUT uses the altered layout
+ * The layouts are identical when there is only one zone (all
+ * devices the same size).
+ */
+
+enum r0layout {
+	RAID0_ORIG_LAYOUT = 1,
+	RAID0_ALT_MULTIZONE_LAYOUT = 2,
+};
 struct r0conf {
 	struct strip_zone	*strip_zone;
 	struct md_rdev		**devlist; /* lists of rdevs, pointed to
 					    * by strip_zone->dev */
 	int			nr_strip_zones;
+	enum r0layout		layout;
 };
 
 #endif
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 2aa36e570e04..f393f0dc042f 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -426,19 +426,21 @@ static void raid1_end_write_request(struct bio *bio)
 		    /* We never try FailFast to WriteMostly devices */
 		    !test_bit(WriteMostly, &rdev->flags)) {
 			md_error(r1_bio->mddev, rdev);
-			if (!test_bit(Faulty, &rdev->flags))
-				/* This is the only remaining device,
-				 * We need to retry the write without
-				 * FailFast
-				 */
-				set_bit(R1BIO_WriteError, &r1_bio->state);
-			else {
-				/* Finished with this branch */
-				r1_bio->bios[mirror] = NULL;
-				to_put = bio;
-			}
-		} else
+		}
+
+		/*
+		 * When the device is faulty, it is not necessary to
+		 * handle write error.
+		 * For failfast, this is the only remaining device,
+		 * We need to retry the write without FailFast.
+		 */
+		if (!test_bit(Faulty, &rdev->flags))
 			set_bit(R1BIO_WriteError, &r1_bio->state);
+		else {
+			/* Finished with this branch */
+			r1_bio->bios[mirror] = NULL;
+			to_put = bio;
+		}
 	} else {
 		/*
 		 * Set R1BIO_Uptodate in our master bio, so that we
@@ -3094,6 +3096,13 @@ static int raid1_run(struct mddev *mddev)
 		    !test_bit(In_sync, &conf->mirrors[i].rdev->flags) ||
 		    test_bit(Faulty, &conf->mirrors[i].rdev->flags))
 			mddev->degraded++;
+	/*
+	 * RAID1 needs at least one disk in active
+	 */
+	if (conf->raid_disks - mddev->degraded < 1) {
+		ret = -EINVAL;
+		goto abort;
+	}
 
 	if (conf->raid_disks - mddev->degraded == 1)
 		mddev->recovery_cp = MaxSector;
@@ -3127,8 +3136,12 @@ static int raid1_run(struct mddev *mddev)
 	ret =  md_integrity_register(mddev);
 	if (ret) {
 		md_unregister_thread(&mddev->thread);
-		raid1_free(mddev, conf);
+		goto abort;
 	}
+	return 0;
+
+abort:
+	raid1_free(mddev, conf);
 	return ret;
 }
 
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index da94cbaa1a9e..90380064afc7 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2526,7 +2526,8 @@ static void raid5_end_read_request(struct bio * bi)
 		int set_bad = 0;
 
 		clear_bit(R5_UPTODATE, &sh->dev[i].flags);
-		atomic_inc(&rdev->read_errors);
+		if (!(bi->bi_status == BLK_STS_PROTECTION))
+			atomic_inc(&rdev->read_errors);
 		if (test_bit(R5_ReadRepl, &sh->dev[i].flags))
 			pr_warn_ratelimited(
 				"md/raid:%s: read error on replacement device (sector %llu on %s).\n",
@@ -2558,7 +2559,9 @@ static void raid5_end_read_request(struct bio * bi)
 		    && !test_bit(R5_ReadNoMerge, &sh->dev[i].flags))
 			retry = 1;
 		if (retry)
-			if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags)) {
+			if (sh->qd_idx >= 0 && sh->pd_idx == i)
+				set_bit(R5_ReadError, &sh->dev[i].flags);
+			else if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags)) {
 				set_bit(R5_ReadError, &sh->dev[i].flags);
 				clear_bit(R5_ReadNoMerge, &sh->dev[i].flags);
 			} else
@@ -5719,7 +5722,8 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi)
 				do_flush = false;
 			}
 
-			set_bit(STRIPE_HANDLE, &sh->state);
+			if (!sh->batch_head)
+				set_bit(STRIPE_HANDLE, &sh->state);
 			clear_bit(STRIPE_DELAYED, &sh->state);
 			if ((!sh->batch_head || sh == sh->batch_head) &&
 			    (bi->bi_opf & REQ_SYNC) &&
diff --git a/drivers/media/cec/cec-notifier.c b/drivers/media/cec/cec-notifier.c
index 9598c7778871..c4aa27e0c430 100644
--- a/drivers/media/cec/cec-notifier.c
+++ b/drivers/media/cec/cec-notifier.c
@@ -124,6 +124,8 @@ void cec_notifier_unregister(struct cec_notifier *n)
 {
 	mutex_lock(&n->lock);
 	n->callback = NULL;
+	n->cec_adap->notifier = NULL;
+	n->cec_adap = NULL;
 	mutex_unlock(&n->lock);
 	cec_notifier_put(n);
 }
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c
index fb9ac7696fc6..bd9bfeee385f 100644
--- a/drivers/media/common/videobuf2/videobuf2-v4l2.c
+++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c
@@ -872,17 +872,19 @@ EXPORT_SYMBOL_GPL(vb2_queue_release);
 __poll_t vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
 {
 	struct video_device *vfd = video_devdata(file);
-	__poll_t res = 0;
+	__poll_t res;
+
+	res = vb2_core_poll(q, file, wait);
 
 	if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) {
 		struct v4l2_fh *fh = file->private_data;
 
 		poll_wait(file, &fh->wait, wait);
 		if (v4l2_event_pending(fh))
-			res = EPOLLPRI;
+			res |= EPOLLPRI;
 	}
 
-	return res | vb2_core_poll(q, file, wait);
+	return res;
 }
 EXPORT_SYMBOL_GPL(vb2_poll);
 
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
index 6351a97f3d18..2dc7761a3680 100644
--- a/drivers/media/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb-core/dvb_frontend.c
@@ -152,6 +152,9 @@ static void dvb_frontend_free(struct kref *ref)
 
 static void dvb_frontend_put(struct dvb_frontend *fe)
 {
+	/* call detach before dropping the reference count */
+	if (fe->ops.detach)
+		fe->ops.detach(fe);
 	/*
 	 * Check if the frontend was registered, as otherwise
 	 * kref was not initialized yet.
@@ -3026,7 +3029,6 @@ void dvb_frontend_detach(struct dvb_frontend *fe)
 	dvb_frontend_invoke_release(fe, fe->ops.release_sec);
 	dvb_frontend_invoke_release(fe, fe->ops.tuner_ops.release);
 	dvb_frontend_invoke_release(fe, fe->ops.analog_ops.release);
-	dvb_frontend_invoke_release(fe, fe->ops.detach);
 	dvb_frontend_put(fe);
 }
 EXPORT_SYMBOL(dvb_frontend_detach);
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index a3393cd4e584..7557fbf9d306 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -339,8 +339,10 @@ static int dvb_create_media_entity(struct dvb_device *dvbdev,
 	if (npads) {
 		dvbdev->pads = kcalloc(npads, sizeof(*dvbdev->pads),
 				       GFP_KERNEL);
-		if (!dvbdev->pads)
+		if (!dvbdev->pads) {
+			kfree(dvbdev->entity);
 			return -ENOMEM;
+		}
 	}
 
 	switch (type) {
diff --git a/drivers/media/dvb-frontends/dvb-pll.c b/drivers/media/dvb-frontends/dvb-pll.c
index ba0c49107bd2..d45b4ddc8f91 100644
--- a/drivers/media/dvb-frontends/dvb-pll.c
+++ b/drivers/media/dvb-frontends/dvb-pll.c
@@ -9,6 +9,7 @@
 
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/idr.h>
 #include <linux/dvb/frontend.h>
 #include <asm/types.h>
 
@@ -34,8 +35,7 @@ struct dvb_pll_priv {
 };
 
 #define DVB_PLL_MAX 64
-
-static unsigned int dvb_pll_devcount;
+static DEFINE_IDA(pll_ida);
 
 static int debug;
 module_param(debug, int, 0644);
@@ -787,6 +787,7 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 	struct dvb_pll_priv *priv = NULL;
 	int ret;
 	const struct dvb_pll_desc *desc;
+	int nr;
 
 	b1 = kmalloc(1, GFP_KERNEL);
 	if (!b1)
@@ -795,9 +796,14 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 	b1[0] = 0;
 	msg.buf = b1;
 
-	if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&
-	    (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))
-		pll_desc_id = id[dvb_pll_devcount];
+	nr = ida_simple_get(&pll_ida, 0, DVB_PLL_MAX, GFP_KERNEL);
+	if (nr < 0) {
+		kfree(b1);
+		return NULL;
+	}
+
+	if (id[nr] > DVB_PLL_UNDEFINED && id[nr] < ARRAY_SIZE(pll_list))
+		pll_desc_id = id[nr];
 
 	BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
 
@@ -808,24 +814,20 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 			fe->ops.i2c_gate_ctrl(fe, 1);
 
 		ret = i2c_transfer (i2c, &msg, 1);
-		if (ret != 1) {
-			kfree(b1);
-			return NULL;
-		}
+		if (ret != 1)
+			goto out;
 		if (fe->ops.i2c_gate_ctrl)
 			     fe->ops.i2c_gate_ctrl(fe, 0);
 	}
 
 	priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
-	if (!priv) {
-		kfree(b1);
-		return NULL;
-	}
+	if (!priv)
+		goto out;
 
 	priv->pll_i2c_address = pll_addr;
 	priv->i2c = i2c;
 	priv->pll_desc = desc;
-	priv->nr = dvb_pll_devcount++;
+	priv->nr = nr;
 
 	memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
 	       sizeof(struct dvb_tuner_ops));
@@ -858,6 +860,11 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 	kfree(b1);
 
 	return fe;
+out:
+	kfree(b1);
+	ida_simple_remove(&pll_ida, nr);
+
+	return NULL;
 }
 EXPORT_SYMBOL(dvb_pll_attach);
 
@@ -894,9 +901,10 @@ dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
 static int dvb_pll_remove(struct i2c_client *client)
 {
-	struct dvb_frontend *fe;
+	struct dvb_frontend *fe = i2c_get_clientdata(client);
+	struct dvb_pll_priv *priv = fe->tuner_priv;
 
-	fe = i2c_get_clientdata(client);
+	ida_simple_remove(&pll_ida, priv->nr);
 	dvb_pll_release(fe);
 	return 0;
 }
diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index 759d60c6d630..afe7920557a8 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -3022,9 +3022,14 @@ static int ov5640_probe(struct i2c_client *client,
 	/* request optional power down pin */
 	sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown",
 						    GPIOD_OUT_HIGH);
+	if (IS_ERR(sensor->pwdn_gpio))
+		return PTR_ERR(sensor->pwdn_gpio);
+
 	/* request optional reset pin */
 	sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset",
 						     GPIOD_OUT_HIGH);
+	if (IS_ERR(sensor->reset_gpio))
+		return PTR_ERR(sensor->reset_gpio);
 
 	v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops);
 
diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c
index 124c8df04633..58972c884705 100644
--- a/drivers/media/i2c/ov5645.c
+++ b/drivers/media/i2c/ov5645.c
@@ -45,6 +45,8 @@
 #define		OV5645_CHIP_ID_HIGH_BYTE	0x56
 #define OV5645_CHIP_ID_LOW		0x300b
 #define		OV5645_CHIP_ID_LOW_BYTE		0x45
+#define OV5645_IO_MIPI_CTRL00		0x300e
+#define OV5645_PAD_OUTPUT00		0x3019
 #define OV5645_AWB_MANUAL_CONTROL	0x3406
 #define		OV5645_AWB_MANUAL_ENABLE	BIT(0)
 #define OV5645_AEC_PK_MANUAL		0x3503
@@ -55,6 +57,7 @@
 #define		OV5645_ISP_VFLIP		BIT(2)
 #define OV5645_TIMING_TC_REG21		0x3821
 #define		OV5645_SENSOR_MIRROR		BIT(1)
+#define OV5645_MIPI_CTRL00		0x4800
 #define OV5645_PRE_ISP_TEST_SETTING_1	0x503d
 #define		OV5645_TEST_PATTERN_MASK	0x3
 #define		OV5645_SET_TEST_PATTERN(x)	((x) & OV5645_TEST_PATTERN_MASK)
@@ -121,7 +124,6 @@ static const struct reg_value ov5645_global_init_setting[] = {
 	{ 0x3503, 0x07 },
 	{ 0x3002, 0x1c },
 	{ 0x3006, 0xc3 },
-	{ 0x300e, 0x45 },
 	{ 0x3017, 0x00 },
 	{ 0x3018, 0x00 },
 	{ 0x302e, 0x0b },
@@ -350,7 +352,10 @@ static const struct reg_value ov5645_global_init_setting[] = {
 	{ 0x3a1f, 0x14 },
 	{ 0x0601, 0x02 },
 	{ 0x3008, 0x42 },
-	{ 0x3008, 0x02 }
+	{ 0x3008, 0x02 },
+	{ OV5645_IO_MIPI_CTRL00, 0x40 },
+	{ OV5645_MIPI_CTRL00, 0x24 },
+	{ OV5645_PAD_OUTPUT00, 0x70 }
 };
 
 static const struct reg_value ov5645_setting_sxga[] = {
@@ -737,13 +742,9 @@ static int ov5645_s_power(struct v4l2_subdev *sd, int on)
 				goto exit;
 			}
 
-			ret = ov5645_write_reg(ov5645, OV5645_SYSTEM_CTRL0,
-					       OV5645_SYSTEM_CTRL0_STOP);
-			if (ret < 0) {
-				ov5645_set_power_off(ov5645);
-				goto exit;
-			}
+			usleep_range(500, 1000);
 		} else {
+			ov5645_write_reg(ov5645, OV5645_IO_MIPI_CTRL00, 0x58);
 			ov5645_set_power_off(ov5645);
 		}
 	}
@@ -1049,11 +1050,20 @@ static int ov5645_s_stream(struct v4l2_subdev *subdev, int enable)
 			dev_err(ov5645->dev, "could not sync v4l2 controls\n");
 			return ret;
 		}
+
+		ret = ov5645_write_reg(ov5645, OV5645_IO_MIPI_CTRL00, 0x45);
+		if (ret < 0)
+			return ret;
+
 		ret = ov5645_write_reg(ov5645, OV5645_SYSTEM_CTRL0,
 				       OV5645_SYSTEM_CTRL0_START);
 		if (ret < 0)
 			return ret;
 	} else {
+		ret = ov5645_write_reg(ov5645, OV5645_IO_MIPI_CTRL00, 0x40);
+		if (ret < 0)
+			return ret;
+
 		ret = ov5645_write_reg(ov5645, OV5645_SYSTEM_CTRL0,
 				       OV5645_SYSTEM_CTRL0_STOP);
 		if (ret < 0)
diff --git a/drivers/media/i2c/ov9650.c b/drivers/media/i2c/ov9650.c
index 30ab2225fbd0..b350f5c1a989 100644
--- a/drivers/media/i2c/ov9650.c
+++ b/drivers/media/i2c/ov9650.c
@@ -703,6 +703,11 @@ static int ov965x_set_gain(struct ov965x *ov965x, int auto_gain)
 		for (m = 6; m >= 0; m--)
 			if (gain >= (1 << m) * 16)
 				break;
+
+		/* Sanity check: don't adjust the gain with a negative value */
+		if (m < 0)
+			return -EINVAL;
+
 		rgain = (gain - ((1 << m) * 16)) / (1 << m);
 		rgain |= (((1 << m) - 1) << 4);
 
diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c
index a62ede096636..5e68182001ec 100644
--- a/drivers/media/i2c/tda1997x.c
+++ b/drivers/media/i2c/tda1997x.c
@@ -2691,7 +2691,13 @@ static int tda1997x_probe(struct i2c_client *client,
 	}
 
 	ret = 0x34 + ((io_read(sd, REG_SLAVE_ADDR)>>4) & 0x03);
-	state->client_cec = i2c_new_dummy(client->adapter, ret);
+	state->client_cec = devm_i2c_new_dummy_device(&client->dev,
+						      client->adapter, ret);
+	if (IS_ERR(state->client_cec)) {
+		ret = PTR_ERR(state->client_cec);
+		goto err_free_mutex;
+	}
+
 	v4l_info(client, "CEC slave address 0x%02x\n", ret);
 
 	ret = tda1997x_core_init(sd);
@@ -2798,7 +2804,6 @@ static int tda1997x_remove(struct i2c_client *client)
 	media_entity_cleanup(&sd->entity);
 	v4l2_ctrl_handler_free(&state->hdl);
 	regulator_bulk_disable(TDA1997X_NUM_SUPPLIES, state->supplies);
-	i2c_unregister_device(state->client_cec);
 	cancel_delayed_work(&state->delayed_work_enable_hpd);
 	mutex_destroy(&state->page_lock);
 	mutex_destroy(&state->lock);
diff --git a/drivers/media/pci/saa7134/saa7134-i2c.c b/drivers/media/pci/saa7134/saa7134-i2c.c
index 493b1858815f..04e85765373e 100644
--- a/drivers/media/pci/saa7134/saa7134-i2c.c
+++ b/drivers/media/pci/saa7134/saa7134-i2c.c
@@ -342,7 +342,11 @@ static const struct i2c_client saa7134_client_template = {
 
 /* ----------------------------------------------------------- */
 
-/* On Medion 7134 reading EEPROM needs DVB-T demod i2c gate open */
+/*
+ * On Medion 7134 reading the SAA7134 chip config EEPROM needs DVB-T
+ * demod i2c gate closed due to an address clash between this EEPROM
+ * and the demod one.
+ */
 static void saa7134_i2c_eeprom_md7134_gate(struct saa7134_dev *dev)
 {
 	u8 subaddr = 0x7, dmdregval;
@@ -359,14 +363,14 @@ static void saa7134_i2c_eeprom_md7134_gate(struct saa7134_dev *dev)
 
 	ret = i2c_transfer(&dev->i2c_adap, i2cgatemsg_r, 2);
 	if ((ret == 2) && (dmdregval & 0x2)) {
-		pr_debug("%s: DVB-T demod i2c gate was left closed\n",
+		pr_debug("%s: DVB-T demod i2c gate was left open\n",
 			 dev->name);
 
 		data[0] = subaddr;
 		data[1] = (dmdregval & ~0x2);
 		if (i2c_transfer(&dev->i2c_adap, i2cgatemsg_w, 1) != 1)
-			pr_err("%s: EEPROM i2c gate open failure\n",
-			  dev->name);
+			pr_err("%s: EEPROM i2c gate close failure\n",
+			       dev->name);
 	}
 }
 
diff --git a/drivers/media/pci/saa7146/hexium_gemini.c b/drivers/media/pci/saa7146/hexium_gemini.c
index dca20a3d98e2..f96226930670 100644
--- a/drivers/media/pci/saa7146/hexium_gemini.c
+++ b/drivers/media/pci/saa7146/hexium_gemini.c
@@ -292,6 +292,9 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d
 	ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_GRABBER);
 	if (ret < 0) {
 		pr_err("cannot register capture v4l2 device. skipping.\n");
+		saa7146_vv_release(dev);
+		i2c_del_adapter(&hexium->i2c_adapter);
+		kfree(hexium);
 		return ret;
 	}
 
diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
index de0f192afa8b..388c32a11345 100644
--- a/drivers/media/platform/aspeed-video.c
+++ b/drivers/media/platform/aspeed-video.c
@@ -632,7 +632,7 @@ static void aspeed_video_check_and_set_polarity(struct aspeed_video *video)
 	}
 
 	if (hsync_counter < 0 || vsync_counter < 0) {
-		u32 ctrl;
+		u32 ctrl = 0;
 
 		if (hsync_counter < 0) {
 			ctrl = VE_CTRL_HSYNC_POL;
@@ -652,7 +652,8 @@ static void aspeed_video_check_and_set_polarity(struct aspeed_video *video)
 				V4L2_DV_VSYNC_POS_POL;
 		}
 
-		aspeed_video_update(video, VE_CTRL, 0, ctrl);
+		if (ctrl)
+			aspeed_video_update(video, VE_CTRL, 0, ctrl);
 	}
 }
 
diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
index e043d55133a3..b7cc8e651e32 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -806,6 +806,7 @@ static int fimc_is_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	is->pmu_regs = of_iomap(node, 0);
+	of_node_put(node);
 	if (!is->pmu_regs)
 		return -ENOMEM;
 
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 1b83a6ec745f..3cece7cd73e2 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -499,6 +499,7 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
 			continue;
 
 		ret = fimc_md_parse_port_node(fmd, port, index);
+		of_node_put(port);
 		if (ret < 0) {
 			of_node_put(node);
 			goto cleanup;
@@ -538,6 +539,7 @@ static int __of_get_csis_id(struct device_node *np)
 	if (!np)
 		return -EINVAL;
 	of_property_read_u32(np, "reg", &reg);
+	of_node_put(np);
 	return reg - FIMC_INPUT_MIPI_CSI2_0;
 }
 
diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c
index 691be788e38b..b74e4f50d7d9 100644
--- a/drivers/media/platform/fsl-viu.c
+++ b/drivers/media/platform/fsl-viu.c
@@ -32,7 +32,7 @@
 #define VIU_VERSION		"0.5.1"
 
 /* Allow building this driver with COMPILE_TEST */
-#ifndef CONFIG_PPC
+#if !defined(CONFIG_PPC) && !defined(CONFIG_MICROBLAZE)
 #define out_be32(v, a)	iowrite32be(a, (void __iomem *)v)
 #define in_be32(a)	ioread32be((void __iomem *)a)
 #endif
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
index fc9faec85edb..5d44f2e92dd5 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
@@ -110,7 +110,9 @@ static int mtk_mdp_probe(struct platform_device *pdev)
 	mutex_init(&mdp->vpulock);
 
 	/* Old dts had the components as child nodes */
-	if (of_get_next_child(dev->of_node, NULL)) {
+	node = of_get_next_child(dev->of_node, NULL);
+	if (node) {
+		of_node_put(node);
 		parent = dev->of_node;
 		dev_warn(dev, "device tree is out of date\n");
 	} else {
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 38849f0ba09d..8a87f427c056 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -719,6 +719,10 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe,
 					s_stream, mode);
 			pipe->do_propagation = true;
 		}
+
+		/* Stop at the first external sub-device. */
+		if (subdev->dev != isp->dev)
+			break;
 	}
 
 	return 0;
@@ -833,6 +837,10 @@ static int isp_pipeline_disable(struct isp_pipeline *pipe)
 						      &subdev->entity);
 			failure = -ETIMEDOUT;
 		}
+
+		/* Stop at the first external sub-device. */
+		if (subdev->dev != isp->dev)
+			break;
 	}
 
 	return failure;
diff --git a/drivers/media/platform/omap3isp/ispccdc.c b/drivers/media/platform/omap3isp/ispccdc.c
index 1ba8a5ba343f..e2f336c715a4 100644
--- a/drivers/media/platform/omap3isp/ispccdc.c
+++ b/drivers/media/platform/omap3isp/ispccdc.c
@@ -2602,6 +2602,7 @@ int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc,
 	int ret;
 
 	/* Register the subdev and video node. */
+	ccdc->subdev.dev = vdev->mdev->dev;
 	ret = v4l2_device_register_subdev(vdev, &ccdc->subdev);
 	if (ret < 0)
 		goto error;
diff --git a/drivers/media/platform/omap3isp/ispccp2.c b/drivers/media/platform/omap3isp/ispccp2.c
index efca45bb02c8..d0a49cdfd22d 100644
--- a/drivers/media/platform/omap3isp/ispccp2.c
+++ b/drivers/media/platform/omap3isp/ispccp2.c
@@ -1031,6 +1031,7 @@ int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
 	int ret;
 
 	/* Register the subdev and video nodes. */
+	ccp2->subdev.dev = vdev->mdev->dev;
 	ret = v4l2_device_register_subdev(vdev, &ccp2->subdev);
 	if (ret < 0)
 		goto error;
diff --git a/drivers/media/platform/omap3isp/ispcsi2.c b/drivers/media/platform/omap3isp/ispcsi2.c
index e85917f4a50c..fd493c5e4e24 100644
--- a/drivers/media/platform/omap3isp/ispcsi2.c
+++ b/drivers/media/platform/omap3isp/ispcsi2.c
@@ -1198,6 +1198,7 @@ int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2,
 	int ret;
 
 	/* Register the subdev and video nodes. */
+	csi2->subdev.dev = vdev->mdev->dev;
 	ret = v4l2_device_register_subdev(vdev, &csi2->subdev);
 	if (ret < 0)
 		goto error;
diff --git a/drivers/media/platform/omap3isp/isppreview.c b/drivers/media/platform/omap3isp/isppreview.c
index 40e22400cf5e..97d660606d98 100644
--- a/drivers/media/platform/omap3isp/isppreview.c
+++ b/drivers/media/platform/omap3isp/isppreview.c
@@ -2225,6 +2225,7 @@ int omap3isp_preview_register_entities(struct isp_prev_device *prev,
 	int ret;
 
 	/* Register the subdev and video nodes. */
+	prev->subdev.dev = vdev->mdev->dev;
 	ret = v4l2_device_register_subdev(vdev, &prev->subdev);
 	if (ret < 0)
 		goto error;
diff --git a/drivers/media/platform/omap3isp/ispresizer.c b/drivers/media/platform/omap3isp/ispresizer.c
index 21ca6954df72..78d9dd7ea2da 100644
--- a/drivers/media/platform/omap3isp/ispresizer.c
+++ b/drivers/media/platform/omap3isp/ispresizer.c
@@ -1681,6 +1681,7 @@ int omap3isp_resizer_register_entities(struct isp_res_device *res,
 	int ret;
 
 	/* Register the subdev and video nodes. */
+	res->subdev.dev = vdev->mdev->dev;
 	ret = v4l2_device_register_subdev(vdev, &res->subdev);
 	if (ret < 0)
 		goto error;
diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c
index ca7bb8497c3d..cb5841f628cf 100644
--- a/drivers/media/platform/omap3isp/ispstat.c
+++ b/drivers/media/platform/omap3isp/ispstat.c
@@ -1026,6 +1026,8 @@ void omap3isp_stat_unregister_entities(struct ispstat *stat)
 int omap3isp_stat_register_entities(struct ispstat *stat,
 				    struct v4l2_device *vdev)
 {
+	stat->subdev.dev = vdev->mdev->dev;
+
 	return v4l2_device_register_subdev(vdev, &stat->subdev);
 }
 
diff --git a/drivers/media/platform/rcar_fdp1.c b/drivers/media/platform/rcar_fdp1.c
index b8615a288e2b..6ca2cb15291f 100644
--- a/drivers/media/platform/rcar_fdp1.c
+++ b/drivers/media/platform/rcar_fdp1.c
@@ -2306,7 +2306,7 @@ static int fdp1_probe(struct platform_device *pdev)
 		fdp1->fcp = rcar_fcp_get(fcp_node);
 		of_node_put(fcp_node);
 		if (IS_ERR(fdp1->fcp)) {
-			dev_err(&pdev->dev, "FCP not found (%ld)\n",
+			dev_dbg(&pdev->dev, "FCP not found (%ld)\n",
 				PTR_ERR(fdp1->fcp));
 			return PTR_ERR(fdp1->fcp);
 		}
diff --git a/drivers/media/platform/vivid/vivid-kthread-cap.c b/drivers/media/platform/vivid/vivid-kthread-cap.c
index f8006a30c12f..96d85cd8839f 100644
--- a/drivers/media/platform/vivid/vivid-kthread-cap.c
+++ b/drivers/media/platform/vivid/vivid-kthread-cap.c
@@ -232,8 +232,8 @@ static void *plane_vaddr(struct tpg_data *tpg, struct vivid_buffer *buf,
 	return vbuf;
 }
 
-static int vivid_copy_buffer(struct vivid_dev *dev, unsigned p, u8 *vcapbuf,
-		struct vivid_buffer *vid_cap_buf)
+static noinline_for_stack int vivid_copy_buffer(struct vivid_dev *dev, unsigned p,
+		u8 *vcapbuf, struct vivid_buffer *vid_cap_buf)
 {
 	bool blank = dev->must_blank[vid_cap_buf->vb.vb2_buf.index];
 	struct tpg_data *tpg = &dev->tpg;
@@ -658,6 +658,8 @@ static void vivid_cap_update_frame_period(struct vivid_dev *dev)
 	u64 f_period;
 
 	f_period = (u64)dev->timeperframe_vid_cap.numerator * 1000000000;
+	if (WARN_ON(dev->timeperframe_vid_cap.denominator == 0))
+		dev->timeperframe_vid_cap.denominator = 1;
 	do_div(f_period, dev->timeperframe_vid_cap.denominator);
 	if (dev->field_cap == V4L2_FIELD_ALTERNATE)
 		f_period >>= 1;
@@ -670,7 +672,8 @@ static void vivid_cap_update_frame_period(struct vivid_dev *dev)
 	dev->cap_frame_period = f_period;
 }
 
-static void vivid_thread_vid_cap_tick(struct vivid_dev *dev, int dropped_bufs)
+static noinline_for_stack void vivid_thread_vid_cap_tick(struct vivid_dev *dev,
+							 int dropped_bufs)
 {
 	struct vivid_buffer *vid_cap_buf = NULL;
 	struct vivid_buffer *vbi_cap_buf = NULL;
diff --git a/drivers/media/platform/vsp1/vsp1_dl.c b/drivers/media/platform/vsp1/vsp1_dl.c
index 104b6f514536..d7b43037e500 100644
--- a/drivers/media/platform/vsp1/vsp1_dl.c
+++ b/drivers/media/platform/vsp1/vsp1_dl.c
@@ -557,8 +557,10 @@ static struct vsp1_dl_list *vsp1_dl_list_alloc(struct vsp1_dl_manager *dlm)
 
 	/* Get a default body for our list. */
 	dl->body0 = vsp1_dl_body_get(dlm->pool);
-	if (!dl->body0)
+	if (!dl->body0) {
+		kfree(dl);
 		return NULL;
+	}
 
 	header_offset = dl->body0->max_entries * sizeof(*dl->body0->entries);
 
diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c
index 58e622d57373..3dccce398113 100644
--- a/drivers/media/radio/si470x/radio-si470x-usb.c
+++ b/drivers/media/radio/si470x/radio-si470x-usb.c
@@ -734,7 +734,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
 	/* start radio */
 	retval = si470x_start_usb(radio);
 	if (retval < 0)
-		goto err_all;
+		goto err_buf;
 
 	/* set initial frequency */
 	si470x_set_freq(radio, 87.5 * FREQ_MUL); /* available in all regions */
@@ -749,6 +749,8 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
 
 	return 0;
 err_all:
+	usb_kill_urb(radio->int_in_urb);
+err_buf:
 	kfree(radio->buffer);
 err_ctrl:
 	v4l2_ctrl_handler_free(&radio->hdl);
@@ -822,6 +824,7 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf)
 	mutex_lock(&radio->lock);
 	v4l2_device_disconnect(&radio->v4l2_dev);
 	video_unregister_device(&radio->videodev);
+	usb_kill_urb(radio->int_in_urb);
 	usb_set_intfdata(intf, NULL);
 	mutex_unlock(&radio->lock);
 	v4l2_device_put(&radio->v4l2_dev);
diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c
index ea05e125016a..872d6441e512 100644
--- a/drivers/media/rc/iguanair.c
+++ b/drivers/media/rc/iguanair.c
@@ -413,6 +413,10 @@ static int iguanair_probe(struct usb_interface *intf,
 	int ret, pipein, pipeout;
 	struct usb_host_interface *idesc;
 
+	idesc = intf->altsetting;
+	if (idesc->desc.bNumEndpoints < 2)
+		return -ENODEV;
+
 	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
 	rc = rc_allocate_device(RC_DRIVER_IR_RAW);
 	if (!ir || !rc) {
@@ -427,18 +431,13 @@ static int iguanair_probe(struct usb_interface *intf,
 	ir->urb_in = usb_alloc_urb(0, GFP_KERNEL);
 	ir->urb_out = usb_alloc_urb(0, GFP_KERNEL);
 
-	if (!ir->buf_in || !ir->packet || !ir->urb_in || !ir->urb_out) {
+	if (!ir->buf_in || !ir->packet || !ir->urb_in || !ir->urb_out ||
+	    !usb_endpoint_is_int_in(&idesc->endpoint[0].desc) ||
+	    !usb_endpoint_is_int_out(&idesc->endpoint[1].desc)) {
 		ret = -ENOMEM;
 		goto out;
 	}
 
-	idesc = intf->altsetting;
-
-	if (idesc->desc.bNumEndpoints < 2) {
-		ret = -ENODEV;
-		goto out;
-	}
-
 	ir->rc = rc;
 	ir->dev = &intf->dev;
 	ir->udev = udev;
diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 7bee72108b0e..37a850421fbb 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -1826,12 +1826,17 @@ static void imon_get_ffdc_type(struct imon_context *ictx)
 		break;
 	/* iMON VFD, MCE IR */
 	case 0x46:
-	case 0x7e:
 	case 0x9e:
 		dev_info(ictx->dev, "0xffdc iMON VFD, MCE IR");
 		detected_display_type = IMON_DISPLAY_TYPE_VFD;
 		allowed_protos = RC_PROTO_BIT_RC6_MCE;
 		break;
+	/* iMON VFD, iMON or MCE IR */
+	case 0x7e:
+		dev_info(ictx->dev, "0xffdc iMON VFD, iMON or MCE IR");
+		detected_display_type = IMON_DISPLAY_TYPE_VFD;
+		allowed_protos |= RC_PROTO_BIT_RC6_MCE;
+		break;
 	/* iMON LCD, MCE IR */
 	case 0x9f:
 		dev_info(ictx->dev, "0xffdc iMON LCD, MCE IR");
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index 72862e4bec62..a69e94092015 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -31,21 +31,22 @@
 #include <linux/pm_wakeup.h>
 #include <media/rc-core.h>
 
-#define DRIVER_VERSION	"1.94"
+#define DRIVER_VERSION	"1.95"
 #define DRIVER_AUTHOR	"Jarod Wilson <jarod@redhat.com>"
 #define DRIVER_DESC	"Windows Media Center Ed. eHome Infrared Transceiver " \
 			"device driver"
 #define DRIVER_NAME	"mceusb"
 
+#define USB_TX_TIMEOUT		1000 /* in milliseconds */
 #define USB_CTRL_MSG_SZ		2  /* Size of usb ctrl msg on gen1 hw */
 #define MCE_G1_INIT_MSGS	40 /* Init messages on gen1 hw to throw out */
 
 /* MCE constants */
-#define MCE_CMDBUF_SIZE		384  /* MCE Command buffer length */
+#define MCE_IRBUF_SIZE		128  /* TX IR buffer length */
 #define MCE_TIME_UNIT		50   /* Approx 50us resolution */
-#define MCE_CODE_LENGTH		5    /* Normal length of packet (with header) */
-#define MCE_PACKET_SIZE		4    /* Normal length of packet (without header) */
-#define MCE_IRDATA_HEADER	0x84 /* Actual header format is 0x80 + num_bytes */
+#define MCE_PACKET_SIZE		31   /* Max length of packet (with header) */
+#define MCE_IRDATA_HEADER	(0x80 + MCE_PACKET_SIZE - 1)
+				     /* Actual format is 0x80 + num_bytes */
 #define MCE_IRDATA_TRAILER	0x80 /* End of IR data */
 #define MCE_MAX_CHANNELS	2    /* Two transmitters, hardware dependent? */
 #define MCE_DEFAULT_TX_MASK	0x03 /* Vals: TX1=0x01, TX2=0x02, ALL=0x03 */
@@ -607,9 +608,9 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, u8 *buf, int buf_len,
 	if (len <= skip)
 		return;
 
-	dev_dbg(dev, "%cx data: %*ph (length=%d)",
-		(out ? 't' : 'r'),
-		min(len, buf_len - offset), buf + offset, len);
+	dev_dbg(dev, "%cx data[%d]: %*ph (len=%d sz=%d)",
+		(out ? 't' : 'r'), offset,
+		min(len, buf_len - offset), buf + offset, len, buf_len);
 
 	inout = out ? "Request" : "Got";
 
@@ -731,6 +732,9 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, u8 *buf, int buf_len,
 		case MCE_RSP_CMD_ILLEGAL:
 			dev_dbg(dev, "Illegal PORT_IR command");
 			break;
+		case MCE_RSP_TX_TIMEOUT:
+			dev_dbg(dev, "IR TX timeout (TX buffer underrun)");
+			break;
 		default:
 			dev_dbg(dev, "Unknown command 0x%02x 0x%02x",
 				 cmd, subcmd);
@@ -745,13 +749,14 @@ static void mceusb_dev_printdata(struct mceusb_dev *ir, u8 *buf, int buf_len,
 		dev_dbg(dev, "End of raw IR data");
 	else if ((cmd != MCE_CMD_PORT_IR) &&
 		 ((cmd & MCE_PORT_MASK) == MCE_COMMAND_IRDATA))
-		dev_dbg(dev, "Raw IR data, %d pulse/space samples", ir->rem);
+		dev_dbg(dev, "Raw IR data, %d pulse/space samples",
+			cmd & MCE_PACKET_LENGTH_MASK);
 #endif
 }
 
 /*
  * Schedule work that can't be done in interrupt handlers
- * (mceusb_dev_recv() and mce_async_callback()) nor tasklets.
+ * (mceusb_dev_recv() and mce_write_callback()) nor tasklets.
  * Invokes mceusb_deferred_kevent() for recovering from
  * error events specified by the kevent bit field.
  */
@@ -764,23 +769,80 @@ static void mceusb_defer_kevent(struct mceusb_dev *ir, int kevent)
 		dev_dbg(ir->dev, "kevent %d scheduled", kevent);
 }
 
-static void mce_async_callback(struct urb *urb)
+static void mce_write_callback(struct urb *urb)
 {
-	struct mceusb_dev *ir;
-	int len;
-
 	if (!urb)
 		return;
 
-	ir = urb->context;
+	complete(urb->context);
+}
+
+/*
+ * Write (TX/send) data to MCE device USB endpoint out.
+ * Used for IR blaster TX and MCE device commands.
+ *
+ * Return: The number of bytes written (> 0) or errno (< 0).
+ */
+static int mce_write(struct mceusb_dev *ir, u8 *data, int size)
+{
+	int ret;
+	struct urb *urb;
+	struct device *dev = ir->dev;
+	unsigned char *buf_out;
+	struct completion tx_done;
+	unsigned long expire;
+	unsigned long ret_wait;
+
+	mceusb_dev_printdata(ir, data, size, 0, size, true);
+
+	urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (unlikely(!urb)) {
+		dev_err(dev, "Error: mce write couldn't allocate urb");
+		return -ENOMEM;
+	}
+
+	buf_out = kmalloc(size, GFP_KERNEL);
+	if (!buf_out) {
+		usb_free_urb(urb);
+		return -ENOMEM;
+	}
+
+	init_completion(&tx_done);
+
+	/* outbound data */
+	if (usb_endpoint_xfer_int(ir->usb_ep_out))
+		usb_fill_int_urb(urb, ir->usbdev, ir->pipe_out,
+				 buf_out, size, mce_write_callback, &tx_done,
+				 ir->usb_ep_out->bInterval);
+	else
+		usb_fill_bulk_urb(urb, ir->usbdev, ir->pipe_out,
+				  buf_out, size, mce_write_callback, &tx_done);
+	memcpy(buf_out, data, size);
+
+	ret = usb_submit_urb(urb, GFP_KERNEL);
+	if (ret) {
+		dev_err(dev, "Error: mce write submit urb error = %d", ret);
+		kfree(buf_out);
+		usb_free_urb(urb);
+		return ret;
+	}
+
+	expire = msecs_to_jiffies(USB_TX_TIMEOUT);
+	ret_wait = wait_for_completion_timeout(&tx_done, expire);
+	if (!ret_wait) {
+		dev_err(dev, "Error: mce write timed out (expire = %lu (%dms))",
+			expire, USB_TX_TIMEOUT);
+		usb_kill_urb(urb);
+		ret = (urb->status == -ENOENT ? -ETIMEDOUT : urb->status);
+	} else {
+		ret = urb->status;
+	}
+	if (ret >= 0)
+		ret = urb->actual_length;	/* bytes written */
 
 	switch (urb->status) {
 	/* success */
 	case 0:
-		len = urb->actual_length;
-
-		mceusb_dev_printdata(ir, urb->transfer_buffer, len,
-				     0, len, true);
 		break;
 
 	case -ECONNRESET:
@@ -790,140 +852,135 @@ static void mce_async_callback(struct urb *urb)
 		break;
 
 	case -EPIPE:
-		dev_err(ir->dev, "Error: request urb status = %d (TX HALT)",
+		dev_err(ir->dev, "Error: mce write urb status = %d (TX HALT)",
 			urb->status);
 		mceusb_defer_kevent(ir, EVENT_TX_HALT);
 		break;
 
 	default:
-		dev_err(ir->dev, "Error: request urb status = %d", urb->status);
+		dev_err(ir->dev, "Error: mce write urb status = %d",
+			urb->status);
 		break;
 	}
 
-	/* the transfer buffer and urb were allocated in mce_request_packet */
-	kfree(urb->transfer_buffer);
-	usb_free_urb(urb);
-}
-
-/* request outgoing (send) usb packet - used to initialize remote */
-static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data,
-								int size)
-{
-	int res;
-	struct urb *async_urb;
-	struct device *dev = ir->dev;
-	unsigned char *async_buf;
+	dev_dbg(dev, "tx done status = %d (wait = %lu, expire = %lu (%dms), urb->actual_length = %d, urb->status = %d)",
+		ret, ret_wait, expire, USB_TX_TIMEOUT,
+		urb->actual_length, urb->status);
 
-	async_urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (unlikely(!async_urb)) {
-		dev_err(dev, "Error, couldn't allocate urb!");
-		return;
-	}
-
-	async_buf = kmalloc(size, GFP_KERNEL);
-	if (!async_buf) {
-		usb_free_urb(async_urb);
-		return;
-	}
-
-	/* outbound data */
-	if (usb_endpoint_xfer_int(ir->usb_ep_out))
-		usb_fill_int_urb(async_urb, ir->usbdev, ir->pipe_out,
-				 async_buf, size, mce_async_callback, ir,
-				 ir->usb_ep_out->bInterval);
-	else
-		usb_fill_bulk_urb(async_urb, ir->usbdev, ir->pipe_out,
-				  async_buf, size, mce_async_callback, ir);
-
-	memcpy(async_buf, data, size);
-
-	dev_dbg(dev, "send request called (size=%#x)", size);
+	kfree(buf_out);
+	usb_free_urb(urb);
 
-	res = usb_submit_urb(async_urb, GFP_ATOMIC);
-	if (res) {
-		dev_err(dev, "send request FAILED! (res=%d)", res);
-		kfree(async_buf);
-		usb_free_urb(async_urb);
-		return;
-	}
-	dev_dbg(dev, "send request complete (res=%d)", res);
+	return ret;
 }
 
-static void mce_async_out(struct mceusb_dev *ir, unsigned char *data, int size)
+static void mce_command_out(struct mceusb_dev *ir, u8 *data, int size)
 {
 	int rsize = sizeof(DEVICE_RESUME);
 
 	if (ir->need_reset) {
 		ir->need_reset = false;
-		mce_request_packet(ir, DEVICE_RESUME, rsize);
+		mce_write(ir, DEVICE_RESUME, rsize);
 		msleep(10);
 	}
 
-	mce_request_packet(ir, data, size);
+	mce_write(ir, data, size);
 	msleep(10);
 }
 
-/* Send data out the IR blaster port(s) */
+/*
+ * Transmit IR out the MCE device IR blaster port(s).
+ *
+ * Convert IR pulse/space sequence from LIRC to MCE format.
+ * Break up a long IR sequence into multiple parts (MCE IR data packets).
+ *
+ * u32 txbuf[] consists of IR pulse, space, ..., and pulse times in usec.
+ * Pulses and spaces are implicit by their position.
+ * The first IR sample, txbuf[0], is always a pulse.
+ *
+ * u8 irbuf[] consists of multiple IR data packets for the MCE device.
+ * A packet is 1 u8 MCE_IRDATA_HEADER and up to 30 u8 IR samples.
+ * An IR sample is 1-bit pulse/space flag with 7-bit time
+ * in MCE time units (50usec).
+ *
+ * Return: The number of IR samples sent (> 0) or errno (< 0).
+ */
 static int mceusb_tx_ir(struct rc_dev *dev, unsigned *txbuf, unsigned count)
 {
 	struct mceusb_dev *ir = dev->priv;
-	int i, length, ret = 0;
-	int cmdcount = 0;
-	unsigned char cmdbuf[MCE_CMDBUF_SIZE];
-
-	/* MCE tx init header */
-	cmdbuf[cmdcount++] = MCE_CMD_PORT_IR;
-	cmdbuf[cmdcount++] = MCE_CMD_SETIRTXPORTS;
-	cmdbuf[cmdcount++] = ir->tx_mask;
+	u8 cmdbuf[3] = { MCE_CMD_PORT_IR, MCE_CMD_SETIRTXPORTS, 0x00 };
+	u8 irbuf[MCE_IRBUF_SIZE];
+	int ircount = 0;
+	unsigned int irsample;
+	int i, length, ret;
 
 	/* Send the set TX ports command */
-	mce_async_out(ir, cmdbuf, cmdcount);
-	cmdcount = 0;
-
-	/* Generate mce packet data */
-	for (i = 0; (i < count) && (cmdcount < MCE_CMDBUF_SIZE); i++) {
-		txbuf[i] = txbuf[i] / MCE_TIME_UNIT;
-
-		do { /* loop to support long pulses/spaces > 127*50us=6.35ms */
-
-			/* Insert mce packet header every 4th entry */
-			if ((cmdcount < MCE_CMDBUF_SIZE) &&
-			    (cmdcount % MCE_CODE_LENGTH) == 0)
-				cmdbuf[cmdcount++] = MCE_IRDATA_HEADER;
-
-			/* Insert mce packet data */
-			if (cmdcount < MCE_CMDBUF_SIZE)
-				cmdbuf[cmdcount++] =
-					(txbuf[i] < MCE_PULSE_BIT ?
-					 txbuf[i] : MCE_MAX_PULSE_LENGTH) |
-					 (i & 1 ? 0x00 : MCE_PULSE_BIT);
-			else {
-				ret = -EINVAL;
-				goto out;
+	cmdbuf[2] = ir->tx_mask;
+	mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
+
+	/* Generate mce IR data packet */
+	for (i = 0; i < count; i++) {
+		irsample = txbuf[i] / MCE_TIME_UNIT;
+
+		/* loop to support long pulses/spaces > 6350us (127*50us) */
+		while (irsample > 0) {
+			/* Insert IR header every 30th entry */
+			if (ircount % MCE_PACKET_SIZE == 0) {
+				/* Room for IR header and one IR sample? */
+				if (ircount >= MCE_IRBUF_SIZE - 1) {
+					/* Send near full buffer */
+					ret = mce_write(ir, irbuf, ircount);
+					if (ret < 0)
+						return ret;
+					ircount = 0;
+				}
+				irbuf[ircount++] = MCE_IRDATA_HEADER;
 			}
 
-		} while ((txbuf[i] > MCE_MAX_PULSE_LENGTH) &&
-			 (txbuf[i] -= MCE_MAX_PULSE_LENGTH));
-	}
-
-	/* Check if we have room for the empty packet at the end */
-	if (cmdcount >= MCE_CMDBUF_SIZE) {
-		ret = -EINVAL;
-		goto out;
-	}
+			/* Insert IR sample */
+			if (irsample <= MCE_MAX_PULSE_LENGTH) {
+				irbuf[ircount] = irsample;
+				irsample = 0;
+			} else {
+				irbuf[ircount] = MCE_MAX_PULSE_LENGTH;
+				irsample -= MCE_MAX_PULSE_LENGTH;
+			}
+			/*
+			 * Even i = IR pulse
+			 * Odd  i = IR space
+			 */
+			irbuf[ircount] |= (i & 1 ? 0 : MCE_PULSE_BIT);
+			ircount++;
+
+			/* IR buffer full? */
+			if (ircount >= MCE_IRBUF_SIZE) {
+				/* Fix packet length in last header */
+				length = ircount % MCE_PACKET_SIZE;
+				if (length > 0)
+					irbuf[ircount - length] -=
+						MCE_PACKET_SIZE - length;
+				/* Send full buffer */
+				ret = mce_write(ir, irbuf, ircount);
+				if (ret < 0)
+					return ret;
+				ircount = 0;
+			}
+		}
+	} /* after for loop, 0 <= ircount < MCE_IRBUF_SIZE */
 
 	/* Fix packet length in last header */
-	length = cmdcount % MCE_CODE_LENGTH;
-	cmdbuf[cmdcount - length] -= MCE_CODE_LENGTH - length;
+	length = ircount % MCE_PACKET_SIZE;
+	if (length > 0)
+		irbuf[ircount - length] -= MCE_PACKET_SIZE - length;
 
-	/* All mce commands end with an empty packet (0x80) */
-	cmdbuf[cmdcount++] = MCE_IRDATA_TRAILER;
+	/* Append IR trailer (0x80) to final partial (or empty) IR buffer */
+	irbuf[ircount++] = MCE_IRDATA_TRAILER;
 
-	/* Transmit the command to the mce device */
-	mce_async_out(ir, cmdbuf, cmdcount);
+	/* Send final buffer */
+	ret = mce_write(ir, irbuf, ircount);
+	if (ret < 0)
+		return ret;
 
-out:
-	return ret ? ret : count;
+	return count;
 }
 
 /* Sets active IR outputs -- mce devices typically have two */
@@ -963,7 +1020,7 @@ static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier)
 			cmdbuf[2] = MCE_CMD_SIG_END;
 			cmdbuf[3] = MCE_IRDATA_TRAILER;
 			dev_dbg(ir->dev, "disabling carrier modulation");
-			mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
+			mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
 			return 0;
 		}
 
@@ -977,7 +1034,7 @@ static int mceusb_set_tx_carrier(struct rc_dev *dev, u32 carrier)
 								carrier);
 
 				/* Transmit new carrier to mce device */
-				mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
+				mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
 				return 0;
 			}
 		}
@@ -1000,10 +1057,10 @@ static int mceusb_set_timeout(struct rc_dev *dev, unsigned int timeout)
 	cmdbuf[2] = units >> 8;
 	cmdbuf[3] = units;
 
-	mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
+	mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
 
 	/* get receiver timeout value */
-	mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
+	mce_command_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
 
 	return 0;
 }
@@ -1028,7 +1085,7 @@ static int mceusb_set_rx_wideband(struct rc_dev *dev, int enable)
 		ir->wideband_rx_enabled = false;
 		cmdbuf[2] = 1;	/* port 1 is long range receiver */
 	}
-	mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
+	mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
 	/* response from device sets ir->learning_active */
 
 	return 0;
@@ -1051,7 +1108,7 @@ static int mceusb_set_rx_carrier_report(struct rc_dev *dev, int enable)
 		ir->carrier_report_enabled = true;
 		if (!ir->learning_active) {
 			cmdbuf[2] = 2;	/* port 2 is short range receiver */
-			mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
+			mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
 		}
 	} else {
 		ir->carrier_report_enabled = false;
@@ -1062,7 +1119,7 @@ static int mceusb_set_rx_carrier_report(struct rc_dev *dev, int enable)
 		 */
 		if (ir->learning_active && !ir->wideband_rx_enabled) {
 			cmdbuf[2] = 1;	/* port 1 is long range receiver */
-			mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
+			mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
 		}
 	}
 
@@ -1141,6 +1198,7 @@ static void mceusb_handle_command(struct mceusb_dev *ir, int index)
 		}
 		break;
 	case MCE_RSP_CMD_ILLEGAL:
+	case MCE_RSP_TX_TIMEOUT:
 		ir->need_reset = true;
 		break;
 	default:
@@ -1279,7 +1337,7 @@ static void mceusb_get_emulator_version(struct mceusb_dev *ir)
 {
 	/* If we get no reply or an illegal command reply, its ver 1, says MS */
 	ir->emver = 1;
-	mce_async_out(ir, GET_EMVER, sizeof(GET_EMVER));
+	mce_command_out(ir, GET_EMVER, sizeof(GET_EMVER));
 }
 
 static void mceusb_gen1_init(struct mceusb_dev *ir)
@@ -1325,10 +1383,10 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
 	dev_dbg(dev, "set handshake  - retC = %d", ret);
 
 	/* device resume */
-	mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
+	mce_command_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
 
 	/* get hw/sw revision? */
-	mce_async_out(ir, GET_REVISION, sizeof(GET_REVISION));
+	mce_command_out(ir, GET_REVISION, sizeof(GET_REVISION));
 
 	kfree(data);
 }
@@ -1336,13 +1394,13 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
 static void mceusb_gen2_init(struct mceusb_dev *ir)
 {
 	/* device resume */
-	mce_async_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
+	mce_command_out(ir, DEVICE_RESUME, sizeof(DEVICE_RESUME));
 
 	/* get wake version (protocol, key, address) */
-	mce_async_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION));
+	mce_command_out(ir, GET_WAKEVERSION, sizeof(GET_WAKEVERSION));
 
 	/* unknown what this one actually returns... */
-	mce_async_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2));
+	mce_command_out(ir, GET_UNKNOWN2, sizeof(GET_UNKNOWN2));
 }
 
 static void mceusb_get_parameters(struct mceusb_dev *ir)
@@ -1356,24 +1414,24 @@ static void mceusb_get_parameters(struct mceusb_dev *ir)
 	ir->num_rxports = 2;
 
 	/* get number of tx and rx ports */
-	mce_async_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS));
+	mce_command_out(ir, GET_NUM_PORTS, sizeof(GET_NUM_PORTS));
 
 	/* get the carrier and frequency */
-	mce_async_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ));
+	mce_command_out(ir, GET_CARRIER_FREQ, sizeof(GET_CARRIER_FREQ));
 
 	if (ir->num_txports && !ir->flags.no_tx)
 		/* get the transmitter bitmask */
-		mce_async_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK));
+		mce_command_out(ir, GET_TX_BITMASK, sizeof(GET_TX_BITMASK));
 
 	/* get receiver timeout value */
-	mce_async_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
+	mce_command_out(ir, GET_RX_TIMEOUT, sizeof(GET_RX_TIMEOUT));
 
 	/* get receiver sensor setting */
-	mce_async_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR));
+	mce_command_out(ir, GET_RX_SENSOR, sizeof(GET_RX_SENSOR));
 
 	for (i = 0; i < ir->num_txports; i++) {
 		cmdbuf[2] = i;
-		mce_async_out(ir, cmdbuf, sizeof(cmdbuf));
+		mce_command_out(ir, cmdbuf, sizeof(cmdbuf));
 	}
 }
 
@@ -1382,7 +1440,7 @@ static void mceusb_flash_led(struct mceusb_dev *ir)
 	if (ir->emver < 2)
 		return;
 
-	mce_async_out(ir, FLASH_LED, sizeof(FLASH_LED));
+	mce_command_out(ir, FLASH_LED, sizeof(FLASH_LED));
 }
 
 /*
diff --git a/drivers/media/rc/mtk-cir.c b/drivers/media/rc/mtk-cir.c
index 46101efe017b..da457bf85130 100644
--- a/drivers/media/rc/mtk-cir.c
+++ b/drivers/media/rc/mtk-cir.c
@@ -35,6 +35,11 @@
 /* Fields containing pulse width data */
 #define MTK_WIDTH_MASK		  (GENMASK(7, 0))
 
+/* IR threshold */
+#define MTK_IRTHD		 0x14
+#define MTK_DG_CNT_MASK		 (GENMASK(12, 8))
+#define MTK_DG_CNT(x)		 ((x) << 8)
+
 /* Bit to enable interrupt */
 #define MTK_IRINT_EN		  BIT(0)
 
@@ -400,6 +405,9 @@ static int mtk_ir_probe(struct platform_device *pdev)
 	mtk_w32_mask(ir, val, ir->data->fields[MTK_HW_PERIOD].mask,
 		     ir->data->fields[MTK_HW_PERIOD].reg);
 
+	/* Set de-glitch counter */
+	mtk_w32_mask(ir, MTK_DG_CNT(1), MTK_DG_CNT_MASK, MTK_IRTHD);
+
 	/* Enable IR and PWM */
 	val = mtk_r32(ir, MTK_CONFIG_HIGH_REG);
 	val |= MTK_OK_COUNT(ir->data->ok_count) |  MTK_PWM_EN | MTK_IR_EN;
diff --git a/drivers/media/usb/cpia2/cpia2_usb.c b/drivers/media/usb/cpia2/cpia2_usb.c
index 17468f7d78ed..3ab80a7b4498 100644
--- a/drivers/media/usb/cpia2/cpia2_usb.c
+++ b/drivers/media/usb/cpia2/cpia2_usb.c
@@ -676,6 +676,10 @@ static int submit_urbs(struct camera_data *cam)
 		if (!urb) {
 			for (j = 0; j < i; j++)
 				usb_free_urb(cam->sbuf[j].urb);
+			for (j = 0; j < NUM_SBUF; j++) {
+				kfree(cam->sbuf[j].data);
+				cam->sbuf[j].data = NULL;
+			}
 			return -ENOMEM;
 		}
 
diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c
index 66d685065e06..ab7a100ec84f 100644
--- a/drivers/media/usb/dvb-usb/dib0700_devices.c
+++ b/drivers/media/usb/dvb-usb/dib0700_devices.c
@@ -2439,9 +2439,13 @@ static int dib9090_tuner_attach(struct dvb_usb_adapter *adap)
 		8, 0x0486,
 	};
 
+	if (!IS_ENABLED(CONFIG_DVB_DIB9000))
+		return -ENODEV;
 	if (dvb_attach(dib0090_fw_register, adap->fe_adap[0].fe, i2c, &dib9090_dib0090_config) == NULL)
 		return -ENODEV;
 	i2c = dib9000_get_i2c_master(adap->fe_adap[0].fe, DIBX000_I2C_INTERFACE_GPIO_1_2, 0);
+	if (!i2c)
+		return -ENODEV;
 	if (dib01x0_pmu_update(i2c, data_dib190, 10) != 0)
 		return -ENODEV;
 	dib0700_set_i2c_speed(adap->dev, 1500);
@@ -2517,10 +2521,14 @@ static int nim9090md_tuner_attach(struct dvb_usb_adapter *adap)
 		0, 0x00ef,
 		8, 0x0406,
 	};
+	if (!IS_ENABLED(CONFIG_DVB_DIB9000))
+		return -ENODEV;
 	i2c = dib9000_get_tuner_interface(adap->fe_adap[0].fe);
 	if (dvb_attach(dib0090_fw_register, adap->fe_adap[0].fe, i2c, &nim9090md_dib0090_config[0]) == NULL)
 		return -ENODEV;
 	i2c = dib9000_get_i2c_master(adap->fe_adap[0].fe, DIBX000_I2C_INTERFACE_GPIO_1_2, 0);
+	if (!i2c)
+		return -ENODEV;
 	if (dib01x0_pmu_update(i2c, data_dib190, 10) < 0)
 		return -ENODEV;
 
diff --git a/drivers/media/usb/dvb-usb/pctv452e.c b/drivers/media/usb/dvb-usb/pctv452e.c
index d6b36e4f33d2..441d878fc22c 100644
--- a/drivers/media/usb/dvb-usb/pctv452e.c
+++ b/drivers/media/usb/dvb-usb/pctv452e.c
@@ -909,14 +909,6 @@ static int pctv452e_frontend_attach(struct dvb_usb_adapter *a)
 						&a->dev->i2c_adap);
 	if (!a->fe_adap[0].fe)
 		return -ENODEV;
-
-	/*
-	 * dvb_frontend will call dvb_detach for both stb0899_detach
-	 * and stb0899_release but we only do dvb_attach(stb0899_attach).
-	 * Increment the module refcount instead.
-	 */
-	symbol_get(stb0899_attach);
-
 	if ((dvb_attach(lnbp22_attach, a->fe_adap[0].fe,
 					&a->dev->i2c_adap)) == NULL)
 		err("Cannot attach lnbp22\n");
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 1283c7ca9ad5..1de835a591a0 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -4020,7 +4020,6 @@ static void em28xx_usb_disconnect(struct usb_interface *intf)
 		dev->dev_next->disconnected = 1;
 		dev_info(&dev->intf->dev, "Disconnecting %s\n",
 			 dev->dev_next->name);
-		flush_request_modules(dev->dev_next);
 	}
 
 	dev->disconnected = 1;
diff --git a/drivers/media/usb/gspca/konica.c b/drivers/media/usb/gspca/konica.c
index d8e40137a204..53db9a2895ea 100644
--- a/drivers/media/usb/gspca/konica.c
+++ b/drivers/media/usb/gspca/konica.c
@@ -114,6 +114,11 @@ static void reg_r(struct gspca_dev *gspca_dev, u16 value, u16 index)
 	if (ret < 0) {
 		pr_err("reg_r err %d\n", ret);
 		gspca_dev->usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, 2);
 	}
 }
 
diff --git a/drivers/media/usb/gspca/nw80x.c b/drivers/media/usb/gspca/nw80x.c
index 59649704beba..880f569bda30 100644
--- a/drivers/media/usb/gspca/nw80x.c
+++ b/drivers/media/usb/gspca/nw80x.c
@@ -1572,6 +1572,11 @@ static void reg_r(struct gspca_dev *gspca_dev,
 	if (ret < 0) {
 		pr_err("reg_r err %d\n", ret);
 		gspca_dev->usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
 		return;
 	}
 	if (len == 1)
diff --git a/drivers/media/usb/gspca/ov519.c b/drivers/media/usb/gspca/ov519.c
index cfb1f53bc17e..f417dfc0b872 100644
--- a/drivers/media/usb/gspca/ov519.c
+++ b/drivers/media/usb/gspca/ov519.c
@@ -2073,6 +2073,11 @@ static int reg_r(struct sd *sd, u16 index)
 	} else {
 		gspca_err(gspca_dev, "reg_r %02x failed %d\n", index, ret);
 		sd->gspca_dev.usb_err = ret;
+		/*
+		 * Make sure the result is zeroed to avoid uninitialized
+		 * values.
+		 */
+		gspca_dev->usb_buf[0] = 0;
 	}
 
 	return ret;
@@ -2101,6 +2106,11 @@ static int reg_r8(struct sd *sd,
 	} else {
 		gspca_err(gspca_dev, "reg_r8 %02x failed %d\n", index, ret);
 		sd->gspca_dev.usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, 8);
 	}
 
 	return ret;
diff --git a/drivers/media/usb/gspca/ov534.c b/drivers/media/usb/gspca/ov534.c
index 56521c991db4..185c1f10fb30 100644
--- a/drivers/media/usb/gspca/ov534.c
+++ b/drivers/media/usb/gspca/ov534.c
@@ -693,6 +693,11 @@ static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
 	if (ret < 0) {
 		pr_err("read failed %d\n", ret);
 		gspca_dev->usb_err = ret;
+		/*
+		 * Make sure the result is zeroed to avoid uninitialized
+		 * values.
+		 */
+		gspca_dev->usb_buf[0] = 0;
 	}
 	return gspca_dev->usb_buf[0];
 }
diff --git a/drivers/media/usb/gspca/ov534_9.c b/drivers/media/usb/gspca/ov534_9.c
index 867f860a9650..91efc650cf76 100644
--- a/drivers/media/usb/gspca/ov534_9.c
+++ b/drivers/media/usb/gspca/ov534_9.c
@@ -1145,6 +1145,7 @@ static u8 reg_r(struct gspca_dev *gspca_dev, u16 reg)
 	if (ret < 0) {
 		pr_err("reg_r err %d\n", ret);
 		gspca_dev->usb_err = ret;
+		return 0;
 	}
 	return gspca_dev->usb_buf[0];
 }
diff --git a/drivers/media/usb/gspca/se401.c b/drivers/media/usb/gspca/se401.c
index 061deee138c3..e087cfb5980b 100644
--- a/drivers/media/usb/gspca/se401.c
+++ b/drivers/media/usb/gspca/se401.c
@@ -101,6 +101,11 @@ static void se401_read_req(struct gspca_dev *gspca_dev, u16 req, int silent)
 			pr_err("read req failed req %#04x error %d\n",
 			       req, err);
 		gspca_dev->usb_err = err;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, READ_REQ_SIZE);
 	}
 }
 
diff --git a/drivers/media/usb/gspca/sn9c20x.c b/drivers/media/usb/gspca/sn9c20x.c
index b43f89fee6c1..2a6d0a1265a7 100644
--- a/drivers/media/usb/gspca/sn9c20x.c
+++ b/drivers/media/usb/gspca/sn9c20x.c
@@ -123,6 +123,13 @@ static const struct dmi_system_id flip_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "0341")
 		}
 	},
+	{
+		.ident = "MSI MS-1039",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1039"),
+		}
+	},
 	{
 		.ident = "MSI MS-1632",
 		.matches = {
@@ -909,6 +916,11 @@ static void reg_r(struct gspca_dev *gspca_dev, u16 reg, u16 length)
 	if (unlikely(result < 0 || result != length)) {
 		pr_err("Read register %02x failed %d\n", reg, result);
 		gspca_dev->usb_err = result;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
 	}
 }
 
diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c
index 046fc2c2a135..4d655e2da9cb 100644
--- a/drivers/media/usb/gspca/sonixb.c
+++ b/drivers/media/usb/gspca/sonixb.c
@@ -453,6 +453,11 @@ static void reg_r(struct gspca_dev *gspca_dev,
 		dev_err(gspca_dev->v4l2_dev.dev,
 			"Error reading register %02x: %d\n", value, res);
 		gspca_dev->usb_err = res;
+		/*
+		 * Make sure the result is zeroed to avoid uninitialized
+		 * values.
+		 */
+		gspca_dev->usb_buf[0] = 0;
 	}
 }
 
diff --git a/drivers/media/usb/gspca/sonixj.c b/drivers/media/usb/gspca/sonixj.c
index 50a6c8425827..2e1bd2df8304 100644
--- a/drivers/media/usb/gspca/sonixj.c
+++ b/drivers/media/usb/gspca/sonixj.c
@@ -1162,6 +1162,11 @@ static void reg_r(struct gspca_dev *gspca_dev,
 	if (ret < 0) {
 		pr_err("reg_r err %d\n", ret);
 		gspca_dev->usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
 	}
 }
 
diff --git a/drivers/media/usb/gspca/spca1528.c b/drivers/media/usb/gspca/spca1528.c
index 2ae03b60163f..ccc477944ef8 100644
--- a/drivers/media/usb/gspca/spca1528.c
+++ b/drivers/media/usb/gspca/spca1528.c
@@ -71,6 +71,11 @@ static void reg_r(struct gspca_dev *gspca_dev,
 	if (ret < 0) {
 		pr_err("reg_r err %d\n", ret);
 		gspca_dev->usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
 	}
 }
 
diff --git a/drivers/media/usb/gspca/sq930x.c b/drivers/media/usb/gspca/sq930x.c
index d1ba0888d798..c3610247a90e 100644
--- a/drivers/media/usb/gspca/sq930x.c
+++ b/drivers/media/usb/gspca/sq930x.c
@@ -425,6 +425,11 @@ static void reg_r(struct gspca_dev *gspca_dev,
 	if (ret < 0) {
 		pr_err("reg_r %04x failed %d\n", value, ret);
 		gspca_dev->usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
 	}
 }
 
diff --git a/drivers/media/usb/gspca/sunplus.c b/drivers/media/usb/gspca/sunplus.c
index d0ddfa957ca9..f4a4222f0d2e 100644
--- a/drivers/media/usb/gspca/sunplus.c
+++ b/drivers/media/usb/gspca/sunplus.c
@@ -255,6 +255,11 @@ static void reg_r(struct gspca_dev *gspca_dev,
 	if (ret < 0) {
 		pr_err("reg_r err %d\n", ret);
 		gspca_dev->usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
 	}
 }
 
diff --git a/drivers/media/usb/gspca/vc032x.c b/drivers/media/usb/gspca/vc032x.c
index 588a847ea483..4cb7c92ea132 100644
--- a/drivers/media/usb/gspca/vc032x.c
+++ b/drivers/media/usb/gspca/vc032x.c
@@ -2906,6 +2906,11 @@ static void reg_r_i(struct gspca_dev *gspca_dev,
 	if (ret < 0) {
 		pr_err("reg_r err %d\n", ret);
 		gspca_dev->usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(gspca_dev->usb_buf, 0, USB_BUF_SZ);
 	}
 }
 static void reg_r(struct gspca_dev *gspca_dev,
diff --git a/drivers/media/usb/gspca/w996Xcf.c b/drivers/media/usb/gspca/w996Xcf.c
index 16b679c2de21..a8350ee9712f 100644
--- a/drivers/media/usb/gspca/w996Xcf.c
+++ b/drivers/media/usb/gspca/w996Xcf.c
@@ -133,6 +133,11 @@ static int w9968cf_read_sb(struct sd *sd)
 	} else {
 		pr_err("Read SB reg [01] failed\n");
 		sd->gspca_dev.usb_err = ret;
+		/*
+		 * Make sure the buffer is zeroed to avoid uninitialized
+		 * values.
+		 */
+		memset(sd->gspca_dev.usb_buf, 0, 2);
 	}
 
 	udelay(W9968CF_I2C_BUS_DELAY);
diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c
index 9b9d894d29bc..b75c18a012a7 100644
--- a/drivers/media/usb/hdpvr/hdpvr-core.c
+++ b/drivers/media/usb/hdpvr/hdpvr-core.c
@@ -137,6 +137,7 @@ static int device_authorization(struct hdpvr_device *dev)
 
 	dev->fw_ver = dev->usbc_buf[1];
 
+	dev->usbc_buf[46] = '\0';
 	v4l2_info(&dev->v4l2_dev, "firmware version 0x%x dated %s\n",
 			  dev->fw_ver, &dev->usbc_buf[2]);
 
@@ -271,6 +272,7 @@ static int hdpvr_probe(struct usb_interface *interface,
 #endif
 	size_t buffer_size;
 	int i;
+	int dev_num;
 	int retval = -ENOMEM;
 
 	/* allocate memory for our device state and initialize it */
@@ -368,8 +370,17 @@ static int hdpvr_probe(struct usb_interface *interface,
 	}
 #endif
 
+	dev_num = atomic_inc_return(&dev_nr);
+	if (dev_num >= HDPVR_MAX) {
+		v4l2_err(&dev->v4l2_dev,
+			 "max device number reached, device register failed\n");
+		atomic_dec(&dev_nr);
+		retval = -ENODEV;
+		goto reg_fail;
+	}
+
 	retval = hdpvr_register_videodev(dev, &interface->dev,
-				    video_nr[atomic_inc_return(&dev_nr)]);
+				    video_nr[dev_num]);
 	if (retval < 0) {
 		v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
 		goto reg_fail;
diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index 1d0afa340f47..3198f9624b7c 100644
--- a/drivers/media/usb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c
@@ -319,7 +319,7 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 
 	dprintk("%s\n", __func__);
 
-	b = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL);
+	b = kzalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL);
 	if (!b)
 		return -ENOMEM;
 
diff --git a/drivers/media/v4l2-core/videobuf-core.c b/drivers/media/v4l2-core/videobuf-core.c
index 7ef3e4d22bf6..939fc11cf080 100644
--- a/drivers/media/v4l2-core/videobuf-core.c
+++ b/drivers/media/v4l2-core/videobuf-core.c
@@ -1123,7 +1123,6 @@ __poll_t videobuf_poll_stream(struct file *file,
 	struct videobuf_buffer *buf = NULL;
 	__poll_t rc = 0;
 
-	poll_wait(file, &buf->done, wait);
 	videobuf_queue_lock(q);
 	if (q->streaming) {
 		if (!list_empty(&q->stream))
@@ -1143,7 +1142,9 @@ __poll_t videobuf_poll_stream(struct file *file,
 		}
 		buf = q->read_buf;
 	}
-	if (!buf)
+	if (buf)
+		poll_wait(file, &buf->done, wait);
+	else
 		rc = EPOLLERR;
 
 	if (0 == rc) {
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 9f54a259a1b3..e4823ef0a0de 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -31,6 +31,7 @@ static int process_sdio_pending_irqs(struct mmc_host *host)
 {
 	struct mmc_card *card = host->card;
 	int i, ret, count;
+	bool sdio_irq_pending = host->sdio_irq_pending;
 	unsigned char pending;
 	struct sdio_func *func;
 
@@ -38,13 +39,16 @@ static int process_sdio_pending_irqs(struct mmc_host *host)
 	if (mmc_card_suspended(card))
 		return 0;
 
+	/* Clear the flag to indicate that we have processed the IRQ. */
+	host->sdio_irq_pending = false;
+
 	/*
 	 * Optimization, if there is only 1 function interrupt registered
 	 * and we know an IRQ was signaled then call irq handler directly.
 	 * Otherwise do the full probe.
 	 */
 	func = card->sdio_single_irq;
-	if (func && host->sdio_irq_pending) {
+	if (func && sdio_irq_pending) {
 		func->irq_handler(func);
 		return 1;
 	}
@@ -96,7 +100,6 @@ void sdio_run_irqs(struct mmc_host *host)
 {
 	mmc_claim_host(host);
 	if (host->sdio_irqs) {
-		host->sdio_irq_pending = true;
 		process_sdio_pending_irqs(host);
 		if (host->ops->ack_sdio_irq)
 			host->ops->ack_sdio_irq(host);
@@ -115,6 +118,7 @@ void sdio_irq_work(struct work_struct *work)
 
 void sdio_signal_irq(struct mmc_host *host)
 {
+	host->sdio_irq_pending = true;
 	queue_delayed_work(system_wq, &host->sdio_irq_work, 0);
 }
 EXPORT_SYMBOL_GPL(sdio_signal_irq);
@@ -160,7 +164,6 @@ static int sdio_irq_thread(void *_host)
 		if (ret)
 			break;
 		ret = process_sdio_pending_irqs(host);
-		host->sdio_irq_pending = false;
 		mmc_release_host(host);
 
 		/*
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 60c3a06e3469..45c349054683 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -3482,6 +3482,10 @@ int dw_mci_runtime_resume(struct device *dev)
 	/* Force setup bus to guarantee available clock output */
 	dw_mci_setup_bus(host->slot, true);
 
+	/* Re-enable SDIO interrupts. */
+	if (sdio_irq_claimed(host->slot->mmc))
+		__dw_mci_enable_sdio_irq(host->slot, 1);
+
 	/* Now that slots are all setup, we can enable card detect */
 	dw_mci_enable_cd(host);
 
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 33f4b6387ef7..978c8ccce7e3 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -2421,6 +2421,9 @@ static void msdc_restore_reg(struct msdc_host *host)
 	} else {
 		writel(host->save_para.pad_tune, host->base + tune_reg);
 	}
+
+	if (sdio_irq_claimed(host->mmc))
+		__msdc_enable_sdio_irq(host, 1);
 }
 
 static int msdc_runtime_suspend(struct device *dev)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index a5dc5aae973e..c66e66fbaeb4 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1849,7 +1849,9 @@ void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
 		ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
 	else if (timing == MMC_TIMING_UHS_SDR12)
 		ctrl_2 |= SDHCI_CTRL_UHS_SDR12;
-	else if (timing == MMC_TIMING_UHS_SDR25)
+	else if (timing == MMC_TIMING_SD_HS ||
+		 timing == MMC_TIMING_MMC_HS ||
+		 timing == MMC_TIMING_UHS_SDR25)
 		ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
 	else if (timing == MMC_TIMING_UHS_SDR50)
 		ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
index 999ca6a66036..76609b908b5e 100644
--- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c
+++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
@@ -1424,21 +1424,16 @@ static void stm32_fmc2_calc_timings(struct nand_chip *chip,
 	struct stm32_fmc2_timings *tims = &nand->timings;
 	unsigned long hclk = clk_get_rate(fmc2->clk);
 	unsigned long hclkp = NSEC_PER_SEC / (hclk / 1000);
-	int tar, tclr, thiz, twait, tset_mem, tset_att, thold_mem, thold_att;
-
-	tar = hclkp;
-	if (tar < sdrt->tAR_min)
-		tar = sdrt->tAR_min;
-	tims->tar = DIV_ROUND_UP(tar, hclkp) - 1;
-	if (tims->tar > FMC2_PCR_TIMING_MASK)
-		tims->tar = FMC2_PCR_TIMING_MASK;
-
-	tclr = hclkp;
-	if (tclr < sdrt->tCLR_min)
-		tclr = sdrt->tCLR_min;
-	tims->tclr = DIV_ROUND_UP(tclr, hclkp) - 1;
-	if (tims->tclr > FMC2_PCR_TIMING_MASK)
-		tims->tclr = FMC2_PCR_TIMING_MASK;
+	unsigned long timing, tar, tclr, thiz, twait;
+	unsigned long tset_mem, tset_att, thold_mem, thold_att;
+
+	tar = max_t(unsigned long, hclkp, sdrt->tAR_min);
+	timing = DIV_ROUND_UP(tar, hclkp) - 1;
+	tims->tar = min_t(unsigned long, timing, FMC2_PCR_TIMING_MASK);
+
+	tclr = max_t(unsigned long, hclkp, sdrt->tCLR_min);
+	timing = DIV_ROUND_UP(tclr, hclkp) - 1;
+	tims->tclr = min_t(unsigned long, timing, FMC2_PCR_TIMING_MASK);
 
 	tims->thiz = FMC2_THIZ;
 	thiz = (tims->thiz + 1) * hclkp;
@@ -1448,18 +1443,11 @@ static void stm32_fmc2_calc_timings(struct nand_chip *chip,
 	 * tWAIT > tWP
 	 * tWAIT > tREA + tIO
 	 */
-	twait = hclkp;
-	if (twait < sdrt->tRP_min)
-		twait = sdrt->tRP_min;
-	if (twait < sdrt->tWP_min)
-		twait = sdrt->tWP_min;
-	if (twait < sdrt->tREA_max + FMC2_TIO)
-		twait = sdrt->tREA_max + FMC2_TIO;
-	tims->twait = DIV_ROUND_UP(twait, hclkp);
-	if (tims->twait == 0)
-		tims->twait = 1;
-	else if (tims->twait > FMC2_PMEM_PATT_TIMING_MASK)
-		tims->twait = FMC2_PMEM_PATT_TIMING_MASK;
+	twait = max_t(unsigned long, hclkp, sdrt->tRP_min);
+	twait = max_t(unsigned long, twait, sdrt->tWP_min);
+	twait = max_t(unsigned long, twait, sdrt->tREA_max + FMC2_TIO);
+	timing = DIV_ROUND_UP(twait, hclkp);
+	tims->twait = clamp_val(timing, 1, FMC2_PMEM_PATT_TIMING_MASK);
 
 	/*
 	 * tSETUP_MEM > tCS - tWAIT
@@ -1474,20 +1462,15 @@ static void stm32_fmc2_calc_timings(struct nand_chip *chip,
 	if (twait > thiz && (sdrt->tDS_min > twait - thiz) &&
 	    (tset_mem < sdrt->tDS_min - (twait - thiz)))
 		tset_mem = sdrt->tDS_min - (twait - thiz);
-	tims->tset_mem = DIV_ROUND_UP(tset_mem, hclkp);
-	if (tims->tset_mem == 0)
-		tims->tset_mem = 1;
-	else if (tims->tset_mem > FMC2_PMEM_PATT_TIMING_MASK)
-		tims->tset_mem = FMC2_PMEM_PATT_TIMING_MASK;
+	timing = DIV_ROUND_UP(tset_mem, hclkp);
+	tims->tset_mem = clamp_val(timing, 1, FMC2_PMEM_PATT_TIMING_MASK);
 
 	/*
 	 * tHOLD_MEM > tCH
 	 * tHOLD_MEM > tREH - tSETUP_MEM
 	 * tHOLD_MEM > max(tRC, tWC) - (tSETUP_MEM + tWAIT)
 	 */
-	thold_mem = hclkp;
-	if (thold_mem < sdrt->tCH_min)
-		thold_mem = sdrt->tCH_min;
+	thold_mem = max_t(unsigned long, hclkp, sdrt->tCH_min);
 	if (sdrt->tREH_min > tset_mem &&
 	    (thold_mem < sdrt->tREH_min - tset_mem))
 		thold_mem = sdrt->tREH_min - tset_mem;
@@ -1497,11 +1480,8 @@ static void stm32_fmc2_calc_timings(struct nand_chip *chip,
 	if ((sdrt->tWC_min > tset_mem + twait) &&
 	    (thold_mem < sdrt->tWC_min - (tset_mem + twait)))
 		thold_mem = sdrt->tWC_min - (tset_mem + twait);
-	tims->thold_mem = DIV_ROUND_UP(thold_mem, hclkp);
-	if (tims->thold_mem == 0)
-		tims->thold_mem = 1;
-	else if (tims->thold_mem > FMC2_PMEM_PATT_TIMING_MASK)
-		tims->thold_mem = FMC2_PMEM_PATT_TIMING_MASK;
+	timing = DIV_ROUND_UP(thold_mem, hclkp);
+	tims->thold_mem = clamp_val(timing, 1, FMC2_PMEM_PATT_TIMING_MASK);
 
 	/*
 	 * tSETUP_ATT > tCS - tWAIT
@@ -1523,11 +1503,8 @@ static void stm32_fmc2_calc_timings(struct nand_chip *chip,
 	if (twait > thiz && (sdrt->tDS_min > twait - thiz) &&
 	    (tset_att < sdrt->tDS_min - (twait - thiz)))
 		tset_att = sdrt->tDS_min - (twait - thiz);
-	tims->tset_att = DIV_ROUND_UP(tset_att, hclkp);
-	if (tims->tset_att == 0)
-		tims->tset_att = 1;
-	else if (tims->tset_att > FMC2_PMEM_PATT_TIMING_MASK)
-		tims->tset_att = FMC2_PMEM_PATT_TIMING_MASK;
+	timing = DIV_ROUND_UP(tset_att, hclkp);
+	tims->tset_att = clamp_val(timing, 1, FMC2_PMEM_PATT_TIMING_MASK);
 
 	/*
 	 * tHOLD_ATT > tALH
@@ -1542,17 +1519,11 @@ static void stm32_fmc2_calc_timings(struct nand_chip *chip,
 	 * tHOLD_ATT > tRC - (tSETUP_ATT + tWAIT)
 	 * tHOLD_ATT > tWC - (tSETUP_ATT + tWAIT)
 	 */
-	thold_att = hclkp;
-	if (thold_att < sdrt->tALH_min)
-		thold_att = sdrt->tALH_min;
-	if (thold_att < sdrt->tCH_min)
-		thold_att = sdrt->tCH_min;
-	if (thold_att < sdrt->tCLH_min)
-		thold_att = sdrt->tCLH_min;
-	if (thold_att < sdrt->tCOH_min)
-		thold_att = sdrt->tCOH_min;
-	if (thold_att < sdrt->tDH_min)
-		thold_att = sdrt->tDH_min;
+	thold_att = max_t(unsigned long, hclkp, sdrt->tALH_min);
+	thold_att = max_t(unsigned long, thold_att, sdrt->tCH_min);
+	thold_att = max_t(unsigned long, thold_att, sdrt->tCLH_min);
+	thold_att = max_t(unsigned long, thold_att, sdrt->tCOH_min);
+	thold_att = max_t(unsigned long, thold_att, sdrt->tDH_min);
 	if ((sdrt->tWB_max + FMC2_TIO + FMC2_TSYNC > tset_mem) &&
 	    (thold_att < sdrt->tWB_max + FMC2_TIO + FMC2_TSYNC - tset_mem))
 		thold_att = sdrt->tWB_max + FMC2_TIO + FMC2_TSYNC - tset_mem;
@@ -1571,11 +1542,8 @@ static void stm32_fmc2_calc_timings(struct nand_chip *chip,
 	if ((sdrt->tWC_min > tset_att + twait) &&
 	    (thold_att < sdrt->tWC_min - (tset_att + twait)))
 		thold_att = sdrt->tWC_min - (tset_att + twait);
-	tims->thold_att = DIV_ROUND_UP(thold_att, hclkp);
-	if (tims->thold_att == 0)
-		tims->thold_att = 1;
-	else if (tims->thold_att > FMC2_PMEM_PATT_TIMING_MASK)
-		tims->thold_att = FMC2_PMEM_PATT_TIMING_MASK;
+	timing = DIV_ROUND_UP(thold_att, hclkp);
+	tims->thold_att = clamp_val(timing, 1, FMC2_PMEM_PATT_TIMING_MASK);
 }
 
 static int stm32_fmc2_setup_interface(struct nand_chip *chip, int chipnr,
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 8459115d9d4e..553776cc1d29 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -1063,31 +1063,34 @@ EXPORT_SYMBOL(arcnet_interrupt);
 static void arcnet_rx(struct net_device *dev, int bufnum)
 {
 	struct arcnet_local *lp = netdev_priv(dev);
-	struct archdr pkt;
+	union {
+		struct archdr pkt;
+		char buf[512];
+	} rxdata;
 	struct arc_rfc1201 *soft;
 	int length, ofs;
 
-	soft = &pkt.soft.rfc1201;
+	soft = &rxdata.pkt.soft.rfc1201;
 
-	lp->hw.copy_from_card(dev, bufnum, 0, &pkt, ARC_HDR_SIZE);
-	if (pkt.hard.offset[0]) {
-		ofs = pkt.hard.offset[0];
+	lp->hw.copy_from_card(dev, bufnum, 0, &rxdata.pkt, ARC_HDR_SIZE);
+	if (rxdata.pkt.hard.offset[0]) {
+		ofs = rxdata.pkt.hard.offset[0];
 		length = 256 - ofs;
 	} else {
-		ofs = pkt.hard.offset[1];
+		ofs = rxdata.pkt.hard.offset[1];
 		length = 512 - ofs;
 	}
 
 	/* get the full header, if possible */
-	if (sizeof(pkt.soft) <= length) {
-		lp->hw.copy_from_card(dev, bufnum, ofs, soft, sizeof(pkt.soft));
+	if (sizeof(rxdata.pkt.soft) <= length) {
+		lp->hw.copy_from_card(dev, bufnum, ofs, soft, sizeof(rxdata.pkt.soft));
 	} else {
-		memset(&pkt.soft, 0, sizeof(pkt.soft));
+		memset(&rxdata.pkt.soft, 0, sizeof(rxdata.pkt.soft));
 		lp->hw.copy_from_card(dev, bufnum, ofs, soft, length);
 	}
 
 	arc_printk(D_DURING, dev, "Buffer #%d: received packet from %02Xh to %02Xh (%d+4 bytes)\n",
-		   bufnum, pkt.hard.source, pkt.hard.dest, length);
+		   bufnum, rxdata.pkt.hard.source, rxdata.pkt.hard.dest, length);
 
 	dev->stats.rx_packets++;
 	dev->stats.rx_bytes += length + ARC_HDR_SIZE;
@@ -1096,13 +1099,13 @@ static void arcnet_rx(struct net_device *dev, int bufnum)
 	if (arc_proto_map[soft->proto]->is_ip) {
 		if (BUGLVL(D_PROTO)) {
 			struct ArcProto
-			*oldp = arc_proto_map[lp->default_proto[pkt.hard.source]],
+			*oldp = arc_proto_map[lp->default_proto[rxdata.pkt.hard.source]],
 			*newp = arc_proto_map[soft->proto];
 
 			if (oldp != newp) {
 				arc_printk(D_PROTO, dev,
 					   "got protocol %02Xh; encap for host %02Xh is now '%c' (was '%c')\n",
-					   soft->proto, pkt.hard.source,
+					   soft->proto, rxdata.pkt.hard.source,
 					   newp->suffix, oldp->suffix);
 			}
 		}
@@ -1111,10 +1114,10 @@ static void arcnet_rx(struct net_device *dev, int bufnum)
 		lp->default_proto[0] = soft->proto;
 
 		/* in striking contrast, the following isn't a hack. */
-		lp->default_proto[pkt.hard.source] = soft->proto;
+		lp->default_proto[rxdata.pkt.hard.source] = soft->proto;
 	}
 	/* call the protocol-specific receiver. */
-	arc_proto_map[soft->proto]->rx(dev, bufnum, &pkt, length);
+	arc_proto_map[soft->proto]->rx(dev, bufnum, &rxdata.pkt, length);
 }
 
 static void null_rx(struct net_device *dev, int bufnum,
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index cdae0efde8e6..7998a73b6a0f 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1429,6 +1429,16 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
 			else
 				phy_reg |= 0xFA;
 			e1e_wphy_locked(hw, I217_PLL_CLOCK_GATE_REG, phy_reg);
+
+			if (speed == SPEED_1000) {
+				hw->phy.ops.read_reg_locked(hw, HV_PM_CTRL,
+							    &phy_reg);
+
+				phy_reg |= HV_PM_CTRL_K1_CLK_REQ;
+
+				hw->phy.ops.write_reg_locked(hw, HV_PM_CTRL,
+							     phy_reg);
+			}
 		}
 		hw->phy.ops.release(hw);
 
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h
index eb09c755fa17..1502895eb45d 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.h
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h
@@ -210,7 +210,7 @@
 
 /* PHY Power Management Control */
 #define HV_PM_CTRL		PHY_REG(770, 17)
-#define HV_PM_CTRL_PLL_STOP_IN_K1_GIGA	0x100
+#define HV_PM_CTRL_K1_CLK_REQ		0x200
 #define HV_PM_CTRL_K1_ENABLE		0x4000
 
 #define I217_PLL_CLOCK_GATE_REG	PHY_REG(772, 28)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 320562b39686..f2906479f5a6 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2586,6 +2586,10 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf)
 		return;
 	if (!test_and_clear_bit(__I40E_MACVLAN_SYNC_PENDING, pf->state))
 		return;
+	if (test_and_set_bit(__I40E_VF_DISABLE, pf->state)) {
+		set_bit(__I40E_MACVLAN_SYNC_PENDING, pf->state);
+		return;
+	}
 
 	for (v = 0; v < pf->num_alloc_vsi; v++) {
 		if (pf->vsi[v] &&
@@ -2600,6 +2604,7 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf)
 			}
 		}
 	}
+	clear_bit(__I40E_VF_DISABLE, pf->state);
 }
 
 /**
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 35a92fd2cf39..59bbb5a8401c 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3110,7 +3110,7 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
 	skb_put(skb, len);
 
 	if (dev->features & NETIF_F_RXCSUM) {
-		skb->csum = csum;
+		skb->csum = le16_to_cpu(csum);
 		skb->ip_summed = CHECKSUM_COMPLETE;
 	}
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
index 4421c10f58ae..baed9e93794f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
@@ -397,10 +397,10 @@ add_ethtool_flow_rule(struct mlx5e_priv *priv,
 		      struct mlx5_flow_table *ft,
 		      struct ethtool_rx_flow_spec *fs)
 {
+	struct mlx5_flow_act flow_act = { .flags = FLOW_ACT_NO_APPEND };
 	struct mlx5_flow_destination *dst = NULL;
-	struct mlx5_flow_act flow_act = {0};
-	struct mlx5_flow_spec *spec;
 	struct mlx5_flow_handle *rule;
+	struct mlx5_flow_spec *spec;
 	int err = 0;
 
 	spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 23d53163ce15..41a8e44cc09c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1525,6 +1525,7 @@ static const struct pci_device_id mlx5_core_pci_table[] = {
 	{ PCI_VDEVICE(MELLANOX, 0x101e), MLX5_PCI_DEV_IS_VF},	/* ConnectX Family mlx5Gen Virtual Function */
 	{ PCI_VDEVICE(MELLANOX, 0xa2d2) },			/* BlueField integrated ConnectX-5 network controller */
 	{ PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF},	/* BlueField integrated ConnectX-5 network controller VF */
+	{ PCI_VDEVICE(MELLANOX, 0xa2d6) },			/* BlueField-2 integrated ConnectX-6 Dx network controller */
 	{ 0, }
 };
 
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c
index eb846133943b..acb02e1513f2 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -400,6 +400,7 @@ nfp_flower_spawn_vnic_reprs(struct nfp_app *app,
 		repr_priv = kzalloc(sizeof(*repr_priv), GFP_KERNEL);
 		if (!repr_priv) {
 			err = -ENOMEM;
+			nfp_repr_free(repr);
 			goto err_reprs_clean;
 		}
 
@@ -413,6 +414,7 @@ nfp_flower_spawn_vnic_reprs(struct nfp_app *app,
 		port = nfp_port_alloc(app, port_type, repr);
 		if (IS_ERR(port)) {
 			err = PTR_ERR(port);
+			kfree(repr_priv);
 			nfp_repr_free(repr);
 			goto err_reprs_clean;
 		}
@@ -433,6 +435,7 @@ nfp_flower_spawn_vnic_reprs(struct nfp_app *app,
 		err = nfp_repr_init(app, repr,
 				    port_id, port, priv->nn->dp.netdev);
 		if (err) {
+			kfree(repr_priv);
 			nfp_port_free(port);
 			nfp_repr_free(repr);
 			goto err_reprs_clean;
@@ -515,6 +518,7 @@ nfp_flower_spawn_phy_reprs(struct nfp_app *app, struct nfp_flower_priv *priv)
 		repr_priv = kzalloc(sizeof(*repr_priv), GFP_KERNEL);
 		if (!repr_priv) {
 			err = -ENOMEM;
+			nfp_repr_free(repr);
 			goto err_reprs_clean;
 		}
 
@@ -525,11 +529,13 @@ nfp_flower_spawn_phy_reprs(struct nfp_app *app, struct nfp_flower_priv *priv)
 		port = nfp_port_alloc(app, NFP_PORT_PHYS_PORT, repr);
 		if (IS_ERR(port)) {
 			err = PTR_ERR(port);
+			kfree(repr_priv);
 			nfp_repr_free(repr);
 			goto err_reprs_clean;
 		}
 		err = nfp_port_init_phy_port(app->pf, app, port, i);
 		if (err) {
+			kfree(repr_priv);
 			nfp_port_free(port);
 			nfp_repr_free(repr);
 			goto err_reprs_clean;
@@ -542,6 +548,7 @@ nfp_flower_spawn_phy_reprs(struct nfp_app *app, struct nfp_flower_priv *priv)
 		err = nfp_repr_init(app, repr,
 				    cmsg_port_id, port, priv->nn->dp.netdev);
 		if (err) {
+			kfree(repr_priv);
 			nfp_port_free(port);
 			nfp_repr_free(repr);
 			goto err_reprs_clean;
diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
index f7e11f1b0426..b0c8be127bee 100644
--- a/drivers/net/ethernet/nxp/lpc_eth.c
+++ b/drivers/net/ethernet/nxp/lpc_eth.c
@@ -1344,13 +1344,14 @@ static int lpc_eth_drv_probe(struct platform_device *pdev)
 	pldat->dma_buff_base_p = dma_handle;
 
 	netdev_dbg(ndev, "IO address space     :%pR\n", res);
-	netdev_dbg(ndev, "IO address size      :%d\n", resource_size(res));
+	netdev_dbg(ndev, "IO address size      :%zd\n",
+			(size_t)resource_size(res));
 	netdev_dbg(ndev, "IO address (mapped)  :0x%p\n",
 			pldat->net_base);
 	netdev_dbg(ndev, "IRQ number           :%d\n", ndev->irq);
-	netdev_dbg(ndev, "DMA buffer size      :%d\n", pldat->dma_buff_size);
-	netdev_dbg(ndev, "DMA buffer P address :0x%08x\n",
-			pldat->dma_buff_base_p);
+	netdev_dbg(ndev, "DMA buffer size      :%zd\n", pldat->dma_buff_size);
+	netdev_dbg(ndev, "DMA buffer P address :%pad\n",
+			&pldat->dma_buff_base_p);
 	netdev_dbg(ndev, "DMA buffer V address :0x%p\n",
 			pldat->dma_buff_base_v);
 
@@ -1397,8 +1398,8 @@ static int lpc_eth_drv_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_out_unregister_netdev;
 
-	netdev_info(ndev, "LPC mac at 0x%08x irq %d\n",
-	       res->start, ndev->irq);
+	netdev_info(ndev, "LPC mac at 0x%08lx irq %d\n",
+	       (unsigned long)res->start, ndev->irq);
 
 	device_init_wakeup(dev, 1);
 	device_set_wakeup_enable(dev, 0);
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 8f46aa1ddec0..cb7637364b40 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -1235,6 +1235,7 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)
 		macsec_rxsa_put(rx_sa);
 	macsec_rxsc_put(rx_sc);
 
+	skb_orphan(skb);
 	ret = gro_cells_receive(&macsec->gro_cells, skb);
 	if (ret == NET_RX_SUCCESS)
 		count_rx(dev, skb->len);
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 3c8186f269f9..2fea5541c35a 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -763,6 +763,8 @@ static int ksz9031_get_features(struct phy_device *phydev)
 	 * Whenever the device's Asymmetric Pause capability is set to 1,
 	 * link-up may fail after a link-up to link-down transition.
 	 *
+	 * The Errata Sheet is for ksz9031, but ksz9021 has the same issue
+	 *
 	 * Workaround:
 	 * Do not enable the Asymmetric Pause capability bit.
 	 */
@@ -1076,6 +1078,7 @@ static struct phy_driver ksphy_driver[] = {
 	/* PHY_GBIT_FEATURES */
 	.driver_data	= &ksz9021_type,
 	.probe		= kszphy_probe,
+	.get_features	= ksz9031_get_features,
 	.config_init	= ksz9021_config_init,
 	.ack_interrupt	= kszphy_ack_interrupt,
 	.config_intr	= kszphy_config_intr,
diff --git a/drivers/net/phy/national.c b/drivers/net/phy/national.c
index a221dd552c3c..a5bf0874c7d8 100644
--- a/drivers/net/phy/national.c
+++ b/drivers/net/phy/national.c
@@ -105,14 +105,17 @@ static void ns_giga_speed_fallback(struct phy_device *phydev, int mode)
 
 static void ns_10_base_t_hdx_loopack(struct phy_device *phydev, int disable)
 {
+	u16 lb_dis = BIT(1);
+
 	if (disable)
-		ns_exp_write(phydev, 0x1c0, ns_exp_read(phydev, 0x1c0) | 1);
+		ns_exp_write(phydev, 0x1c0,
+			     ns_exp_read(phydev, 0x1c0) | lb_dis);
 	else
 		ns_exp_write(phydev, 0x1c0,
-			     ns_exp_read(phydev, 0x1c0) & 0xfffe);
+			     ns_exp_read(phydev, 0x1c0) & ~lb_dis);
 
 	pr_debug("10BASE-T HDX loopback %s\n",
-		 (ns_exp_read(phydev, 0x1c0) & 0x0001) ? "off" : "on");
+		 (ns_exp_read(phydev, 0x1c0) & lb_dis) ? "off" : "on");
 }
 
 static int ns_config_init(struct phy_device *phydev)
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index a30e41a56085..9a1b006904a7 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -1415,6 +1415,8 @@ static void __ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb)
 			netif_wake_queue(ppp->dev);
 		else
 			netif_stop_queue(ppp->dev);
+	} else {
+		kfree_skb(skb);
 	}
 	ppp_xmit_unlock(ppp);
 }
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 50c05d0f44cb..00cab3f43a4c 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -681,8 +681,12 @@ cdc_ncm_find_endpoints(struct usbnet *dev, struct usb_interface *intf)
 	u8 ep;
 
 	for (ep = 0; ep < intf->cur_altsetting->desc.bNumEndpoints; ep++) {
-
 		e = intf->cur_altsetting->endpoint + ep;
+
+		/* ignore endpoints which cannot transfer data */
+		if (!usb_endpoint_maxp(&e->desc))
+			continue;
+
 		switch (e->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
 		case USB_ENDPOINT_XFER_INT:
 			if (usb_endpoint_dir_in(&e->desc)) {
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 72514c46b478..ef1d667b0108 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -100,6 +100,11 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf)
 			int				intr = 0;
 
 			e = alt->endpoint + ep;
+
+			/* ignore endpoints which cannot transfer data */
+			if (!usb_endpoint_maxp(&e->desc))
+				continue;
+
 			switch (e->desc.bmAttributes) {
 			case USB_ENDPOINT_XFER_INT:
 				if (!usb_endpoint_dir_in(&e->desc))
@@ -339,6 +344,8 @@ void usbnet_update_max_qlen(struct usbnet *dev)
 {
 	enum usb_device_speed speed = dev->udev->speed;
 
+	if (!dev->rx_urb_size || !dev->hard_mtu)
+		goto insanity;
 	switch (speed) {
 	case USB_SPEED_HIGH:
 		dev->rx_qlen = MAX_QUEUE_MEMORY / dev->rx_urb_size;
@@ -355,6 +362,7 @@ void usbnet_update_max_qlen(struct usbnet *dev)
 		dev->tx_qlen = 5 * MAX_QUEUE_MEMORY / dev->hard_mtu;
 		break;
 	default:
+insanity:
 		dev->rx_qlen = dev->tx_qlen = 4;
 	}
 }
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 97fb0cb1b97a..1a22165afb39 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -1153,7 +1153,8 @@ static int vrf_fib_rule(const struct net_device *dev, __u8 family, bool add_it)
 	struct sk_buff *skb;
 	int err;
 
-	if (family == AF_INET6 && !ipv6_mod_enabled())
+	if ((family == AF_INET6 || family == RTNL_FAMILY_IP6MR) &&
+	    !ipv6_mod_enabled())
 		return 0;
 
 	skb = nlmsg_new(vrf_fib_rule_nl_size(), GFP_KERNEL);
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 02709fc99034..9deca6d33ecd 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -810,7 +810,7 @@ static int ath10k_wmi_tlv_op_pull_ch_info_ev(struct ath10k *ar,
 					     struct wmi_ch_info_ev_arg *arg)
 {
 	const void **tb;
-	const struct wmi_chan_info_event *ev;
+	const struct wmi_tlv_chan_info_event *ev;
 	int ret;
 
 	tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC);
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index 65e6aa520b06..4bdd65515ad4 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1607,6 +1607,22 @@ struct chan_info_params {
 
 #define WMI_TLV_FLAG_MGMT_BUNDLE_TX_COMPL	BIT(9)
 
+struct wmi_tlv_chan_info_event {
+	__le32 err_code;
+	__le32 freq;
+	__le32 cmd_flags;
+	__le32 noise_floor;
+	__le32 rx_clear_count;
+	__le32 cycle_count;
+	__le32 chan_tx_pwr_range;
+	__le32 chan_tx_pwr_tp;
+	__le32 rx_frame_count;
+	__le32 my_bss_rx_cycle_count;
+	__le32 rx_11b_mode_data_duration;
+	__le32 tx_frame_cnt;
+	__le32 mac_clk_mhz;
+} __packed;
+
 struct wmi_tlv_mgmt_tx_compl_ev {
 	__le32 desc_id;
 	__le32 status;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 12f57f9adbba..aaa3f587fa24 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -6524,14 +6524,6 @@ struct wmi_chan_info_event {
 	__le32 noise_floor;
 	__le32 rx_clear_count;
 	__le32 cycle_count;
-	__le32 chan_tx_pwr_range;
-	__le32 chan_tx_pwr_tp;
-	__le32 rx_frame_count;
-	__le32 my_bss_rx_cycle_count;
-	__le32 rx_11b_mode_data_duration;
-	__le32 tx_frame_cnt;
-	__le32 mac_clk_mhz;
-
 } __packed;
 
 struct wmi_10_4_chan_info_event {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 8892707050d5..f04e470bd13a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -882,11 +882,13 @@ static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
 	 * firmware versions.  Unfortunately, we don't have a TLV API
 	 * flag to rely on, so rely on the major version which is in
 	 * the first byte of ucode_ver.  This was implemented
-	 * initially on version 38 and then backported to 36, 29 and
-	 * 17.
+	 * initially on version 38 and then backported to29 and 17.
+	 * The intention was to have it in 36 as well, but not all
+	 * 8000 family got this feature enabled.  The 8000 family is
+	 * the only one using version 36, so skip this version
+	 * entirely.
 	 */
 	return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
-	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 ||
 	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 ||
 	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17;
 }
diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/wireless/marvell/libertas/if_usb.c
index f1622f0ff8c9..fe3142d85d1e 100644
--- a/drivers/net/wireless/marvell/libertas/if_usb.c
+++ b/drivers/net/wireless/marvell/libertas/if_usb.c
@@ -50,7 +50,8 @@ static const struct lbs_fw_table fw_table[] = {
 	{ MODEL_8388, "libertas/usb8388_v5.bin", NULL },
 	{ MODEL_8388, "libertas/usb8388.bin", NULL },
 	{ MODEL_8388, "usb8388.bin", NULL },
-	{ MODEL_8682, "libertas/usb8682.bin", NULL }
+	{ MODEL_8682, "libertas/usb8682.bin", NULL },
+	{ 0, NULL, NULL }
 };
 
 static const struct usb_device_id if_usb_table[] = {
diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c b/drivers/net/wireless/mediatek/mt76/mmio.c
index 38368d19aa6f..83c96a47914f 100644
--- a/drivers/net/wireless/mediatek/mt76/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mmio.c
@@ -43,7 +43,7 @@ static u32 mt76_mmio_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val)
 static void mt76_mmio_copy(struct mt76_dev *dev, u32 offset, const void *data,
 			   int len)
 {
-	__iowrite32_copy(dev->mmio.regs + offset, data, len >> 2);
+	__iowrite32_copy(dev->mmio.regs + offset, data, DIV_ROUND_UP(len, 4));
 }
 
 static int mt76_mmio_wr_rp(struct mt76_dev *dev, u32 base,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index dc1301effa24..f877e3862f8d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -289,9 +289,8 @@ static int mt7615_driver_own(struct mt7615_dev *dev)
 
 static int mt7615_load_patch(struct mt7615_dev *dev)
 {
-	const struct firmware *fw;
 	const struct mt7615_patch_hdr *hdr;
-	const char *firmware = MT7615_ROM_PATCH;
+	const struct firmware *fw = NULL;
 	int len, ret, sem;
 
 	sem = mt7615_mcu_patch_sem_ctrl(dev, 1);
@@ -305,9 +304,9 @@ static int mt7615_load_patch(struct mt7615_dev *dev)
 		return -EAGAIN;
 	}
 
-	ret = request_firmware(&fw, firmware, dev->mt76.dev);
+	ret = request_firmware(&fw, MT7615_ROM_PATCH, dev->mt76.dev);
 	if (ret)
-		return ret;
+		goto out;
 
 	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
 		dev_err(dev->mt76.dev, "Invalid firmware\n");
@@ -371,14 +370,12 @@ static u32 gen_dl_mode(u8 feature_set, bool is_cr4)
 
 static int mt7615_load_ram(struct mt7615_dev *dev)
 {
-	const struct firmware *fw;
 	const struct mt7615_fw_trailer *hdr;
-	const char *n9_firmware = MT7615_FIRMWARE_N9;
-	const char *cr4_firmware = MT7615_FIRMWARE_CR4;
 	u32 n9_ilm_addr, offset;
 	int i, ret;
+	const struct firmware *fw;
 
-	ret = request_firmware(&fw, n9_firmware, dev->mt76.dev);
+	ret = request_firmware(&fw, MT7615_FIRMWARE_N9, dev->mt76.dev);
 	if (ret)
 		return ret;
 
@@ -426,7 +423,7 @@ static int mt7615_load_ram(struct mt7615_dev *dev)
 
 	release_firmware(fw);
 
-	ret = request_firmware(&fw, cr4_firmware, dev->mt76.dev);
+	ret = request_firmware(&fw, MT7615_FIRMWARE_CR4, dev->mt76.dev);
 	if (ret)
 		return ret;
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 895c2904d7eb..929b39fa57c3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -25,9 +25,9 @@
 #define MT7615_RX_RING_SIZE		1024
 #define MT7615_RX_MCU_RING_SIZE		512
 
-#define MT7615_FIRMWARE_CR4		"mt7615_cr4.bin"
-#define MT7615_FIRMWARE_N9		"mt7615_n9.bin"
-#define MT7615_ROM_PATCH		"mt7615_rom_patch.bin"
+#define MT7615_FIRMWARE_CR4		"mediatek/mt7615_cr4.bin"
+#define MT7615_FIRMWARE_N9		"mediatek/mt7615_n9.bin"
+#define MT7615_ROM_PATCH		"mediatek/mt7615_rom_patch.bin"
 
 #define MT7615_EEPROM_SIZE		1024
 #define MT7615_TOKEN_SIZE		4096
diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index dd90427b2d67..28e3af7332bf 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -164,7 +164,7 @@ static void mt76u_copy(struct mt76_dev *dev, u32 offset,
 	int i, ret;
 
 	mutex_lock(&usb->usb_ctrl_mtx);
-	for (i = 0; i < (len / 4); i++) {
+	for (i = 0; i < DIV_ROUND_UP(len, 4); i++) {
 		put_unaligned_le32(val[i], usb->data);
 		ret = __mt76u_vendor_request(dev, MT_VEND_MULTI_WRITE,
 					     USB_DIR_OUT | USB_TYPE_VENDOR,
diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index cfe05ba7280d..68fae52151dd 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -206,6 +206,23 @@ static int rtw_pci_reset_rx_desc(struct rtw_dev *rtwdev, struct sk_buff *skb,
 	return 0;
 }
 
+static void rtw_pci_sync_rx_desc_device(struct rtw_dev *rtwdev, dma_addr_t dma,
+					struct rtw_pci_rx_ring *rx_ring,
+					u32 idx, u32 desc_sz)
+{
+	struct device *dev = rtwdev->dev;
+	struct rtw_pci_rx_buffer_desc *buf_desc;
+	int buf_sz = RTK_PCI_RX_BUF_SIZE;
+
+	dma_sync_single_for_device(dev, dma, buf_sz, DMA_FROM_DEVICE);
+
+	buf_desc = (struct rtw_pci_rx_buffer_desc *)(rx_ring->r.head +
+						     idx * desc_sz);
+	memset(buf_desc, 0, sizeof(*buf_desc));
+	buf_desc->buf_size = cpu_to_le16(RTK_PCI_RX_BUF_SIZE);
+	buf_desc->dma = cpu_to_le32(dma);
+}
+
 static int rtw_pci_init_rx_ring(struct rtw_dev *rtwdev,
 				struct rtw_pci_rx_ring *rx_ring,
 				u8 desc_size, u32 len)
@@ -763,6 +780,7 @@ static void rtw_pci_rx_isr(struct rtw_dev *rtwdev, struct rtw_pci *rtwpci,
 	u32 pkt_offset;
 	u32 pkt_desc_sz = chip->rx_pkt_desc_sz;
 	u32 buf_desc_sz = chip->rx_buf_desc_sz;
+	u32 new_len;
 	u8 *rx_desc;
 	dma_addr_t dma;
 
@@ -781,8 +799,8 @@ static void rtw_pci_rx_isr(struct rtw_dev *rtwdev, struct rtw_pci *rtwpci,
 		rtw_pci_dma_check(rtwdev, ring, cur_rp);
 		skb = ring->buf[cur_rp];
 		dma = *((dma_addr_t *)skb->cb);
-		pci_unmap_single(rtwpci->pdev, dma, RTK_PCI_RX_BUF_SIZE,
-				 PCI_DMA_FROMDEVICE);
+		dma_sync_single_for_cpu(rtwdev->dev, dma, RTK_PCI_RX_BUF_SIZE,
+					DMA_FROM_DEVICE);
 		rx_desc = skb->data;
 		chip->ops->query_rx_desc(rtwdev, rx_desc, &pkt_stat, &rx_status);
 
@@ -790,40 +808,35 @@ static void rtw_pci_rx_isr(struct rtw_dev *rtwdev, struct rtw_pci *rtwpci,
 		pkt_offset = pkt_desc_sz + pkt_stat.drv_info_sz +
 			     pkt_stat.shift;
 
-		if (pkt_stat.is_c2h) {
-			/* keep rx_desc, halmac needs it */
-			skb_put(skb, pkt_stat.pkt_len + pkt_offset);
+		/* allocate a new skb for this frame,
+		 * discard the frame if none available
+		 */
+		new_len = pkt_stat.pkt_len + pkt_offset;
+		new = dev_alloc_skb(new_len);
+		if (WARN_ONCE(!new, "rx routine starvation\n"))
+			goto next_rp;
 
-			/* pass offset for further operation */
-			*((u32 *)skb->cb) = pkt_offset;
-			skb_queue_tail(&rtwdev->c2h_queue, skb);
+		/* put the DMA data including rx_desc from phy to new skb */
+		skb_put_data(new, skb->data, new_len);
+
+		if (pkt_stat.is_c2h) {
+			 /* pass rx_desc & offset for further operation */
+			*((u32 *)new->cb) = pkt_offset;
+			skb_queue_tail(&rtwdev->c2h_queue, new);
 			ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);
 		} else {
-			/* remove rx_desc, maybe use skb_pull? */
-			skb_put(skb, pkt_stat.pkt_len);
-			skb_reserve(skb, pkt_offset);
-
-			/* alloc a smaller skb to mac80211 */
-			new = dev_alloc_skb(pkt_stat.pkt_len);
-			if (!new) {
-				new = skb;
-			} else {
-				skb_put_data(new, skb->data, skb->len);
-				dev_kfree_skb_any(skb);
-			}
-			/* TODO: merge into rx.c */
-			rtw_rx_stats(rtwdev, pkt_stat.vif, skb);
+			/* remove rx_desc */
+			skb_pull(new, pkt_offset);
+
+			rtw_rx_stats(rtwdev, pkt_stat.vif, new);
 			memcpy(new->cb, &rx_status, sizeof(rx_status));
 			ieee80211_rx_irqsafe(rtwdev->hw, new);
 		}
 
-		/* skb delivered to mac80211, alloc a new one in rx ring */
-		new = dev_alloc_skb(RTK_PCI_RX_BUF_SIZE);
-		if (WARN(!new, "rx routine starvation\n"))
-			return;
-
-		ring->buf[cur_rp] = new;
-		rtw_pci_reset_rx_desc(rtwdev, new, ring, cur_rp, buf_desc_sz);
+next_rp:
+		/* new skb delivered to mac80211, re-enable original skb DMA */
+		rtw_pci_sync_rx_desc_device(rtwdev, dma, ring, cur_rp,
+					    buf_desc_sz);
 
 		/* host read next element in ring */
 		if (++cur_rp >= ring->r.len)
diff --git a/drivers/net/wireless/zydas/zd1211rw/zd_mac.c b/drivers/net/wireless/zydas/zd1211rw/zd_mac.c
index da7e63fca9f5..a9999d10ae81 100644
--- a/drivers/net/wireless/zydas/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zydas/zd1211rw/zd_mac.c
@@ -223,7 +223,6 @@ void zd_mac_clear(struct zd_mac *mac)
 {
 	flush_workqueue(zd_workqueue);
 	zd_chip_clear(&mac->chip);
-	lockdep_assert_held(&mac->lock);
 	ZD_MEMCLEAR(mac, sizeof(struct zd_mac));
 }
 
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 304aa8a65f2f..f928bcfc57b5 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -501,14 +501,16 @@ static int nvme_update_ana_state(struct nvme_ctrl *ctrl,
 
 	down_write(&ctrl->namespaces_rwsem);
 	list_for_each_entry(ns, &ctrl->namespaces, list) {
-		if (ns->head->ns_id != le32_to_cpu(desc->nsids[n]))
+		unsigned nsid = le32_to_cpu(desc->nsids[n]);
+
+		if (ns->head->ns_id < nsid)
 			continue;
-		nvme_update_ns_ana_state(desc, ns);
+		if (ns->head->ns_id == nsid)
+			nvme_update_ns_ana_state(desc, ns);
 		if (++n == nr_nsids)
 			break;
 	}
 	up_write(&ctrl->namespaces_rwsem);
-	WARN_ON_ONCE(n < nr_nsids);
 	return 0;
 }
 
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 9f72d515fc4b..4099093a1734 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -81,9 +81,11 @@ static u16 nvmet_get_smart_log_nsid(struct nvmet_req *req,
 		goto out;
 
 	host_reads = part_stat_read(ns->bdev->bd_part, ios[READ]);
-	data_units_read = part_stat_read(ns->bdev->bd_part, sectors[READ]);
+	data_units_read = DIV_ROUND_UP(part_stat_read(ns->bdev->bd_part,
+		sectors[READ]), 1000);
 	host_writes = part_stat_read(ns->bdev->bd_part, ios[WRITE]);
-	data_units_written = part_stat_read(ns->bdev->bd_part, sectors[WRITE]);
+	data_units_written = DIV_ROUND_UP(part_stat_read(ns->bdev->bd_part,
+		sectors[WRITE]), 1000);
 
 	put_unaligned_le64(host_reads, &slog->host_reads[0]);
 	put_unaligned_le64(data_units_read, &slog->data_units_read[0]);
@@ -111,11 +113,11 @@ static u16 nvmet_get_smart_log_all(struct nvmet_req *req,
 		if (!ns->bdev)
 			continue;
 		host_reads += part_stat_read(ns->bdev->bd_part, ios[READ]);
-		data_units_read +=
-			part_stat_read(ns->bdev->bd_part, sectors[READ]);
+		data_units_read += DIV_ROUND_UP(
+			part_stat_read(ns->bdev->bd_part, sectors[READ]), 1000);
 		host_writes += part_stat_read(ns->bdev->bd_part, ios[WRITE]);
-		data_units_written +=
-			part_stat_read(ns->bdev->bd_part, sectors[WRITE]);
+		data_units_written += DIV_ROUND_UP(
+			part_stat_read(ns->bdev->bd_part, sectors[WRITE]), 1000);
 
 	}
 	rcu_read_unlock();
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 3c730103e637..14be463e25b0 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -156,6 +156,15 @@ static inline struct dino_device *DINO_DEV(struct pci_hba_data *hba)
 	return container_of(hba, struct dino_device, hba);
 }
 
+/* Check if PCI device is behind a Card-mode Dino. */
+static int pci_dev_is_behind_card_dino(struct pci_dev *dev)
+{
+	struct dino_device *dino_dev;
+
+	dino_dev = DINO_DEV(parisc_walk_tree(dev->bus->bridge));
+	return is_card_dino(&dino_dev->hba.dev->id);
+}
+
 /*
  * Dino Configuration Space Accessor Functions
  */
@@ -437,6 +446,21 @@ static void quirk_cirrus_cardbus(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6832, quirk_cirrus_cardbus );
 
+#ifdef CONFIG_TULIP
+static void pci_fixup_tulip(struct pci_dev *dev)
+{
+	if (!pci_dev_is_behind_card_dino(dev))
+		return;
+	if (!(pci_resource_flags(dev, 1) & IORESOURCE_MEM))
+		return;
+	pr_warn("%s: HP HSC-PCI Cards with card-mode Dino not yet supported.\n",
+		pci_name(dev));
+	/* Disable this card by zeroing the PCI resources */
+	memset(&dev->resource[0], 0, sizeof(dev->resource[0]));
+	memset(&dev->resource[1], 0, sizeof(dev->resource[1]));
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_DEC, PCI_ANY_ID, pci_fixup_tulip);
+#endif /* CONFIG_TULIP */
 
 static void __init
 dino_bios_init(void)
diff --git a/drivers/platform/chrome/cros_ec_rpmsg.c b/drivers/platform/chrome/cros_ec_rpmsg.c
index 5d3fb2abad1d..bec19d4814ab 100644
--- a/drivers/platform/chrome/cros_ec_rpmsg.c
+++ b/drivers/platform/chrome/cros_ec_rpmsg.c
@@ -41,6 +41,7 @@ struct cros_ec_rpmsg {
 	struct rpmsg_device *rpdev;
 	struct completion xfer_ack;
 	struct work_struct host_event_work;
+	struct rpmsg_endpoint *ept;
 };
 
 /**
@@ -72,7 +73,6 @@ static int cros_ec_pkt_xfer_rpmsg(struct cros_ec_device *ec_dev,
 				  struct cros_ec_command *ec_msg)
 {
 	struct cros_ec_rpmsg *ec_rpmsg = ec_dev->priv;
-	struct rpmsg_device *rpdev = ec_rpmsg->rpdev;
 	struct ec_host_response *response;
 	unsigned long timeout;
 	int len;
@@ -85,7 +85,7 @@ static int cros_ec_pkt_xfer_rpmsg(struct cros_ec_device *ec_dev,
 	dev_dbg(ec_dev->dev, "prepared, len=%d\n", len);
 
 	reinit_completion(&ec_rpmsg->xfer_ack);
-	ret = rpmsg_send(rpdev->ept, ec_dev->dout, len);
+	ret = rpmsg_send(ec_rpmsg->ept, ec_dev->dout, len);
 	if (ret) {
 		dev_err(ec_dev->dev, "rpmsg send failed\n");
 		return ret;
@@ -196,11 +196,24 @@ static int cros_ec_rpmsg_callback(struct rpmsg_device *rpdev, void *data,
 	return 0;
 }
 
+static struct rpmsg_endpoint *
+cros_ec_rpmsg_create_ept(struct rpmsg_device *rpdev)
+{
+	struct rpmsg_channel_info chinfo = {};
+
+	strscpy(chinfo.name, rpdev->id.name, RPMSG_NAME_SIZE);
+	chinfo.src = rpdev->src;
+	chinfo.dst = RPMSG_ADDR_ANY;
+
+	return rpmsg_create_ept(rpdev, cros_ec_rpmsg_callback, NULL, chinfo);
+}
+
 static int cros_ec_rpmsg_probe(struct rpmsg_device *rpdev)
 {
 	struct device *dev = &rpdev->dev;
 	struct cros_ec_rpmsg *ec_rpmsg;
 	struct cros_ec_device *ec_dev;
+	int ret;
 
 	ec_dev = devm_kzalloc(dev, sizeof(*ec_dev), GFP_KERNEL);
 	if (!ec_dev)
@@ -225,7 +238,18 @@ static int cros_ec_rpmsg_probe(struct rpmsg_device *rpdev)
 	INIT_WORK(&ec_rpmsg->host_event_work,
 		  cros_ec_rpmsg_host_event_function);
 
-	return cros_ec_register(ec_dev);
+	ec_rpmsg->ept = cros_ec_rpmsg_create_ept(rpdev);
+	if (!ec_rpmsg->ept)
+		return -ENOMEM;
+
+	ret = cros_ec_register(ec_dev);
+	if (ret < 0) {
+		rpmsg_destroy_ept(ec_rpmsg->ept);
+		cancel_work_sync(&ec_rpmsg->host_event_work);
+		return ret;
+	}
+
+	return 0;
 }
 
 static void cros_ec_rpmsg_remove(struct rpmsg_device *rpdev)
@@ -233,6 +257,7 @@ static void cros_ec_rpmsg_remove(struct rpmsg_device *rpdev)
 	struct cros_ec_device *ec_dev = dev_get_drvdata(&rpdev->dev);
 	struct cros_ec_rpmsg *ec_rpmsg = ec_dev->priv;
 
+	rpmsg_destroy_ept(ec_rpmsg->ept);
 	cancel_work_sync(&ec_rpmsg->host_event_work);
 }
 
@@ -249,7 +274,6 @@ static struct rpmsg_driver cros_ec_driver_rpmsg = {
 	},
 	.probe		= cros_ec_rpmsg_probe,
 	.remove		= cros_ec_rpmsg_remove,
-	.callback	= cros_ec_rpmsg_callback,
 };
 
 module_rpmsg_driver(cros_ec_driver_rpmsg);
diff --git a/drivers/platform/x86/intel_int0002_vgpio.c b/drivers/platform/x86/intel_int0002_vgpio.c
index 1694a9aec77c..9b7af885e314 100644
--- a/drivers/platform/x86/intel_int0002_vgpio.c
+++ b/drivers/platform/x86/intel_int0002_vgpio.c
@@ -155,6 +155,7 @@ static struct irq_chip int0002_cht_irqchip = {
 	 * No set_wake, on CHT the IRQ is typically shared with the ACPI SCI
 	 * and we don't want to mess with the ACPI SCI irq settings.
 	 */
+	.flags			= IRQCHIP_SKIP_SET_WAKE,
 };
 
 static int int0002_probe(struct platform_device *pdev)
diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c
index be6cda89dcf5..01a530e2f801 100644
--- a/drivers/platform/x86/intel_pmc_core.c
+++ b/drivers/platform/x86/intel_pmc_core.c
@@ -882,10 +882,14 @@ static int pmc_core_probe(struct platform_device *pdev)
 	if (pmcdev->map == &spt_reg_map && !pci_dev_present(pmc_pci_ids))
 		pmcdev->map = &cnp_reg_map;
 
-	if (lpit_read_residency_count_address(&slp_s0_addr))
+	if (lpit_read_residency_count_address(&slp_s0_addr)) {
 		pmcdev->base_addr = PMC_BASE_ADDR_DEFAULT;
-	else
+
+		if (page_is_ram(PHYS_PFN(pmcdev->base_addr)))
+			return -ENODEV;
+	} else {
 		pmcdev->base_addr = slp_s0_addr - pmcdev->map->slp_s0_offset;
+	}
 
 	pmcdev->regbase = ioremap(pmcdev->base_addr,
 				  pmcdev->map->regmap_length);
diff --git a/drivers/ras/Makefile b/drivers/ras/Makefile
index ef6777e14d3d..6f0404f50107 100644
--- a/drivers/ras/Makefile
+++ b/drivers/ras/Makefile
@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_RAS)	+= ras.o debugfs.o
+obj-$(CONFIG_RAS)	+= ras.o
+obj-$(CONFIG_DEBUG_FS)	+= debugfs.o
 obj-$(CONFIG_RAS_CEC)	+= cec.o
diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index f5795adc5a6e..8037c490f3ba 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/mm.h>
 #include <linux/gfp.h>
+#include <linux/ras.h>
 #include <linux/kernel.h>
 #include <linux/workqueue.h>
 
diff --git a/drivers/ras/debugfs.c b/drivers/ras/debugfs.c
index 9c1b717efad8..0d4f985afbf3 100644
--- a/drivers/ras/debugfs.c
+++ b/drivers/ras/debugfs.c
@@ -1,5 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 #include <linux/debugfs.h>
+#include <linux/ras.h>
+#include "debugfs.h"
 
 struct dentry *ras_debugfs_dir;
 
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index c894cf0d8a28..81bd93eef21f 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -5486,7 +5486,7 @@ static int __init regulator_init(void)
 /* init early to allow our consumers to complete system booting */
 core_initcall(regulator_init);
 
-static int __init regulator_late_cleanup(struct device *dev, void *data)
+static int regulator_late_cleanup(struct device *dev, void *data)
 {
 	struct regulator_dev *rdev = dev_to_rdev(dev);
 	const struct regulator_ops *ops = rdev->desc->ops;
@@ -5535,17 +5535,8 @@ static int __init regulator_late_cleanup(struct device *dev, void *data)
 	return 0;
 }
 
-static int __init regulator_init_complete(void)
+static void regulator_init_complete_work_function(struct work_struct *work)
 {
-	/*
-	 * Since DT doesn't provide an idiomatic mechanism for
-	 * enabling full constraints and since it's much more natural
-	 * with DT to provide them just assume that a DT enabled
-	 * system has full constraints.
-	 */
-	if (of_have_populated_dt())
-		has_full_constraints = true;
-
 	/*
 	 * Regulators may had failed to resolve their input supplies
 	 * when were registered, either because the input supply was
@@ -5563,6 +5554,35 @@ static int __init regulator_init_complete(void)
 	 */
 	class_for_each_device(&regulator_class, NULL, NULL,
 			      regulator_late_cleanup);
+}
+
+static DECLARE_DELAYED_WORK(regulator_init_complete_work,
+			    regulator_init_complete_work_function);
+
+static int __init regulator_init_complete(void)
+{
+	/*
+	 * Since DT doesn't provide an idiomatic mechanism for
+	 * enabling full constraints and since it's much more natural
+	 * with DT to provide them just assume that a DT enabled
+	 * system has full constraints.
+	 */
+	if (of_have_populated_dt())
+		has_full_constraints = true;
+
+	/*
+	 * We punt completion for an arbitrary amount of time since
+	 * systems like distros will load many drivers from userspace
+	 * so consumers might not always be ready yet, this is
+	 * particularly an issue with laptops where this might bounce
+	 * the display off then on.  Ideally we'd get a notification
+	 * from userspace when this happens but we don't so just wait
+	 * a bit and hope we waited long enough.  It'd be better if
+	 * we'd only do this on systems that need it, and a kernel
+	 * command line option might be useful.
+	 */
+	schedule_delayed_work(&regulator_init_complete_work,
+			      msecs_to_jiffies(30000));
 
 	return 0;
 }
diff --git a/drivers/regulator/lm363x-regulator.c b/drivers/regulator/lm363x-regulator.c
index 60f15a722760..7e2ea8c76f6e 100644
--- a/drivers/regulator/lm363x-regulator.c
+++ b/drivers/regulator/lm363x-regulator.c
@@ -30,7 +30,7 @@
 
 /* LM3632 */
 #define LM3632_BOOST_VSEL_MAX		0x26
-#define LM3632_LDO_VSEL_MAX		0x29
+#define LM3632_LDO_VSEL_MAX		0x28
 #define LM3632_VBOOST_MIN		4500000
 #define LM3632_VLDO_MIN			4000000
 
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 65f1fe343c64..5efc959493ec 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -546,6 +546,8 @@ static void send_mode_select(struct work_struct *work)
 	spin_unlock(&ctlr->ms_lock);
 
  retry:
+	memset(cdb, 0, sizeof(cdb));
+
 	data_size = rdac_failover_get(ctlr, &list, cdb);
 
 	RDAC_LOG(RDAC_LOG_FAILOVER, sdev, "array %s, ctlr %d, "
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 6a4c719497ca..a51a6301f11b 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -289,8 +289,13 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 	struct srb_iocb *lio;
 	int rval = QLA_FUNCTION_FAILED;
 
-	if (!vha->flags.online)
-		goto done;
+	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
+	    fcport->loop_id == FC_NO_LOOP_ID) {
+		ql_log(ql_log_warn, vha, 0xffff,
+		    "%s: %8phC - not sending command.\n",
+		    __func__, fcport->port_name);
+		return rval;
+	}
 
 	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 	if (!sp)
@@ -1262,8 +1267,13 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
 	struct port_database_24xx *pd;
 	struct qla_hw_data *ha = vha->hw;
 
-	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
+	    fcport->loop_id == FC_NO_LOOP_ID) {
+		ql_log(ql_log_warn, vha, 0xffff,
+		    "%s: %8phC - not sending command.\n",
+		    __func__, fcport->port_name);
 		return rval;
+	}
 
 	fcport->disc_state = DSC_GPDB;
 
@@ -1953,8 +1963,11 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
 		return;
 	}
 
-	if (fcport->disc_state == DSC_DELETE_PEND)
+	if ((fcport->disc_state == DSC_DELETE_PEND) ||
+	    (fcport->disc_state == DSC_DELETED)) {
+		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 		return;
+	}
 
 	if (ea->sp->gen2 != fcport->login_gen) {
 		/* target side must have changed it. */
@@ -6699,8 +6712,10 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
 	}
 
 	/* Clear all async request states across all VPs. */
-	list_for_each_entry(fcport, &vha->vp_fcports, list)
+	list_for_each_entry(fcport, &vha->vp_fcports, list) {
 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
+		fcport->scan_state = 0;
+	}
 	spin_lock_irqsave(&ha->vport_slock, flags);
 	list_for_each_entry(vp, &ha->vp_list, list) {
 		atomic_inc(&vp->vref_count);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 794478e5f7ec..b5ef1148eea8 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5087,6 +5087,7 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
 	if (fcport) {
 		fcport->id_changed = 1;
 		fcport->scan_state = QLA_FCPORT_FOUND;
+		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
 
 		if (pla) {
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 2fd5c09b42d4..e614415e0d72 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1209,7 +1209,6 @@ static void qla24xx_chk_fcp_state(struct fc_port *sess)
 		sess->logout_on_delete = 0;
 		sess->logo_ack_needed = 0;
 		sess->fw_login_state = DSC_LS_PORT_UNAVAIL;
-		sess->scan_state = 0;
 	}
 }
 
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 40f392569664..506062081d8e 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1073,6 +1073,18 @@ static void scsi_initialize_rq(struct request *rq)
 	cmd->retries = 0;
 }
 
+/*
+ * Only called when the request isn't completed by SCSI, and not freed by
+ * SCSI
+ */
+static void scsi_cleanup_rq(struct request *rq)
+{
+	if (rq->rq_flags & RQF_DONTPREP) {
+		scsi_mq_uninit_cmd(blk_mq_rq_to_pdu(rq));
+		rq->rq_flags &= ~RQF_DONTPREP;
+	}
+}
+
 /* Add a command to the list used by the aacraid and dpt_i2o drivers */
 void scsi_add_cmd_to_list(struct scsi_cmnd *cmd)
 {
@@ -1800,6 +1812,7 @@ static const struct blk_mq_ops scsi_mq_ops = {
 	.init_request	= scsi_mq_init_request,
 	.exit_request	= scsi_mq_exit_request,
 	.initialize_rq_fn = scsi_initialize_rq,
+	.cleanup_rq	= scsi_cleanup_rq,
 	.busy		= scsi_mq_lld_busy,
 	.map_queues	= scsi_map_queues,
 };
diff --git a/drivers/soc/amlogic/meson-clk-measure.c b/drivers/soc/amlogic/meson-clk-measure.c
index 19d4cbc93a17..c470e24f1dfa 100644
--- a/drivers/soc/amlogic/meson-clk-measure.c
+++ b/drivers/soc/amlogic/meson-clk-measure.c
@@ -11,6 +11,8 @@
 #include <linux/debugfs.h>
 #include <linux/regmap.h>
 
+static DEFINE_MUTEX(measure_lock);
+
 #define MSR_CLK_DUTY		0x0
 #define MSR_CLK_REG0		0x4
 #define MSR_CLK_REG1		0x8
@@ -360,6 +362,10 @@ static int meson_measure_id(struct meson_msr_id *clk_msr_id,
 	unsigned int val;
 	int ret;
 
+	ret = mutex_lock_interruptible(&measure_lock);
+	if (ret)
+		return ret;
+
 	regmap_write(priv->regmap, MSR_CLK_REG0, 0);
 
 	/* Set measurement duration */
@@ -377,8 +383,10 @@ static int meson_measure_id(struct meson_msr_id *clk_msr_id,
 
 	ret = regmap_read_poll_timeout(priv->regmap, MSR_CLK_REG0,
 				       val, !(val & MSR_BUSY), 10, 10000);
-	if (ret)
+	if (ret) {
+		mutex_unlock(&measure_lock);
 		return ret;
+	}
 
 	/* Disable */
 	regmap_update_bits(priv->regmap, MSR_CLK_REG0, MSR_ENABLE, 0);
@@ -386,6 +394,8 @@ static int meson_measure_id(struct meson_msr_id *clk_msr_id,
 	/* Get the value in multiple of gate time counts */
 	regmap_read(priv->regmap, MSR_CLK_REG2, &val);
 
+	mutex_unlock(&measure_lock);
+
 	if (val >= MSR_VAL_MASK)
 		return -EINVAL;
 
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 68bfca6f20dd..2040caa6c808 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -55,6 +55,7 @@ config ARCH_EMEV2
 
 config ARCH_R7S72100
 	bool "RZ/A1H (R7S72100)"
+	select ARM_ERRATA_754322
 	select PM
 	select PM_GENERIC_DOMAINS
 	select SYS_SUPPORTS_SH_MTU2
@@ -76,6 +77,7 @@ config ARCH_R8A73A4
 config ARCH_R8A7740
 	bool "R-Mobile A1 (R8A77400)"
 	select ARCH_RMOBILE
+	select ARM_ERRATA_754322
 	select RENESAS_INTC_IRQPIN
 
 config ARCH_R8A7743
@@ -103,10 +105,12 @@ config ARCH_R8A77470
 config ARCH_R8A7778
 	bool "R-Car M1A (R8A77781)"
 	select ARCH_RCAR_GEN1
+	select ARM_ERRATA_754322
 
 config ARCH_R8A7779
 	bool "R-Car H1 (R8A77790)"
 	select ARCH_RCAR_GEN1
+	select ARM_ERRATA_754322
 	select HAVE_ARM_SCU if SMP
 	select HAVE_ARM_TWD if SMP
 	select SYSC_R8A7779
@@ -150,6 +154,7 @@ config ARCH_R9A06G032
 config ARCH_SH73A0
 	bool "SH-Mobile AG5 (R8A73A00)"
 	select ARCH_RMOBILE
+	select ARM_ERRATA_754322
 	select HAVE_ARM_SCU if SMP
 	select HAVE_ARM_TWD if SMP
 	select RENESAS_INTC_IRQPIN
diff --git a/drivers/soc/renesas/rmobile-sysc.c b/drivers/soc/renesas/rmobile-sysc.c
index 421ae1c887d8..54b616ad4a62 100644
--- a/drivers/soc/renesas/rmobile-sysc.c
+++ b/drivers/soc/renesas/rmobile-sysc.c
@@ -48,12 +48,8 @@ struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
 static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
 {
 	struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
-	unsigned int mask;
+	unsigned int mask = BIT(rmobile_pd->bit_shift);
 
-	if (rmobile_pd->bit_shift == ~0)
-		return -EBUSY;
-
-	mask = BIT(rmobile_pd->bit_shift);
 	if (rmobile_pd->suspend) {
 		int ret = rmobile_pd->suspend();
 
@@ -80,14 +76,10 @@ static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
 
 static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
 {
-	unsigned int mask;
+	unsigned int mask = BIT(rmobile_pd->bit_shift);
 	unsigned int retry_count;
 	int ret = 0;
 
-	if (rmobile_pd->bit_shift == ~0)
-		return 0;
-
-	mask = BIT(rmobile_pd->bit_shift);
 	if (__raw_readl(rmobile_pd->base + PSTR) & mask)
 		return ret;
 
@@ -122,11 +114,15 @@ static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
 	struct dev_power_governor *gov = rmobile_pd->gov;
 
 	genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
-	genpd->power_off		= rmobile_pd_power_down;
-	genpd->power_on			= rmobile_pd_power_up;
-	genpd->attach_dev		= cpg_mstp_attach_dev;
-	genpd->detach_dev		= cpg_mstp_detach_dev;
-	__rmobile_pd_power_up(rmobile_pd);
+	genpd->attach_dev = cpg_mstp_attach_dev;
+	genpd->detach_dev = cpg_mstp_detach_dev;
+
+	if (!(genpd->flags & GENPD_FLAG_ALWAYS_ON)) {
+		genpd->power_off = rmobile_pd_power_down;
+		genpd->power_on = rmobile_pd_power_up;
+		__rmobile_pd_power_up(rmobile_pd);
+	}
+
 	pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
 }
 
@@ -270,6 +266,11 @@ static void __init rmobile_setup_pm_domain(struct device_node *np,
 		break;
 
 	case PD_NORMAL:
+		if (pd->bit_shift == ~0) {
+			/* Top-level always-on domain */
+			pr_debug("PM domain %s is always-on domain\n", name);
+			pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+		}
 		break;
 	}
 
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index 18c06568805e..86789dbaf577 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -172,8 +172,10 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
 
 	/* Optional clock needed to access the registers */
 	dwsmmio->pclk = devm_clk_get_optional(&pdev->dev, "pclk");
-	if (IS_ERR(dwsmmio->pclk))
-		return PTR_ERR(dwsmmio->pclk);
+	if (IS_ERR(dwsmmio->pclk)) {
+		ret = PTR_ERR(dwsmmio->pclk);
+		goto out_clk;
+	}
 	ret = clk_prepare_enable(dwsmmio->pclk);
 	if (ret)
 		goto out_clk;
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 53335ccc98f6..545fc8189fb0 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -886,9 +886,11 @@ static irqreturn_t dspi_interrupt(int irq, void *dev_id)
 					trans_mode);
 			}
 		}
+
+		return IRQ_HANDLED;
 	}
 
-	return IRQ_HANDLED;
+	return IRQ_NONE;
 }
 
 static const struct of_device_id fsl_dspi_dt_ids[] = {
diff --git a/drivers/staging/media/imx/imx6-mipi-csi2.c b/drivers/staging/media/imx/imx6-mipi-csi2.c
index f29e28df36ed..bfa4b254c4e4 100644
--- a/drivers/staging/media/imx/imx6-mipi-csi2.c
+++ b/drivers/staging/media/imx/imx6-mipi-csi2.c
@@ -243,7 +243,7 @@ static int __maybe_unused csi2_dphy_wait_ulp(struct csi2_dev *csi2)
 }
 
 /* Waits for low-power LP-11 state on data and clock lanes. */
-static int csi2_dphy_wait_stopstate(struct csi2_dev *csi2)
+static void csi2_dphy_wait_stopstate(struct csi2_dev *csi2)
 {
 	u32 mask, reg;
 	int ret;
@@ -254,11 +254,9 @@ static int csi2_dphy_wait_stopstate(struct csi2_dev *csi2)
 	ret = readl_poll_timeout(csi2->base + CSI2_PHY_STATE, reg,
 				 (reg & mask) == mask, 0, 500000);
 	if (ret) {
-		v4l2_err(&csi2->sd, "LP-11 timeout, phy_state = 0x%08x\n", reg);
-		return ret;
+		v4l2_warn(&csi2->sd, "LP-11 wait timeout, likely a sensor driver bug, expect capture failures.\n");
+		v4l2_warn(&csi2->sd, "phy_state = 0x%08x\n", reg);
 	}
-
-	return 0;
 }
 
 /* Wait for active clock on the clock lane. */
@@ -316,9 +314,7 @@ static int csi2_start(struct csi2_dev *csi2)
 	csi2_enable(csi2, true);
 
 	/* Step 5 */
-	ret = csi2_dphy_wait_stopstate(csi2);
-	if (ret)
-		goto err_assert_reset;
+	csi2_dphy_wait_stopstate(csi2);
 
 	/* Step 6 */
 	ret = v4l2_subdev_call(csi2->src_sd, video, s_stream, 1);
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index 9f39f0c360e0..cc1006375cac 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -122,28 +122,13 @@ static void efifb_copy_bmp(u8 *src, u32 *dst, int width, struct screen_info *si)
  */
 static bool efifb_bgrt_sanity_check(struct screen_info *si, u32 bmp_width)
 {
-	static const int default_resolutions[][2] = {
-		{  800,  600 },
-		{ 1024,  768 },
-		{ 1280, 1024 },
-	};
-	u32 i, right_margin;
-
-	for (i = 0; i < ARRAY_SIZE(default_resolutions); i++) {
-		if (default_resolutions[i][0] == si->lfb_width &&
-		    default_resolutions[i][1] == si->lfb_height)
-			break;
-	}
-	/* If not a default resolution used for textmode, this should be fine */
-	if (i >= ARRAY_SIZE(default_resolutions))
-		return true;
-
-	/* If the right margin is 5 times smaller then the left one, reject */
-	right_margin = si->lfb_width - (bgrt_tab.image_offset_x + bmp_width);
-	if (right_margin < (bgrt_tab.image_offset_x / 5))
-		return false;
+	/*
+	 * All x86 firmwares horizontally center the image (the yoffset
+	 * calculations differ between boards, but xoffset is predictable).
+	 */
+	u32 expected_xoffset = (si->lfb_width - bmp_width) / 2;
 
-	return true;
+	return bgrt_tab.image_offset_x == expected_xoffset;
 }
 #else
 static bool efifb_bgrt_sanity_check(struct screen_info *si, u32 bmp_width)
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 8264b468f283..36d172ccb085 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1142,7 +1142,8 @@ static int load_elf_binary(struct linux_binprm *bprm)
 		 * (since it grows up, and may collide early with the stack
 		 * growing down), and into the unused ELF_ET_DYN_BASE region.
 		 */
-		if (IS_ENABLED(CONFIG_ARCH_HAS_ELF_RANDOMIZE) && !interpreter)
+		if (IS_ENABLED(CONFIG_ARCH_HAS_ELF_RANDOMIZE) &&
+		    loc->elf_ex.e_type == ET_DYN && !interpreter)
 			current->mm->brk = current->mm->start_brk =
 				ELF_ET_DYN_BASE;
 
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 5df76c17775a..322ec4b839ed 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1343,6 +1343,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq)
 	struct tree_mod_elem *tm;
 	struct extent_buffer *eb = NULL;
 	struct extent_buffer *eb_root;
+	u64 eb_root_owner = 0;
 	struct extent_buffer *old;
 	struct tree_mod_root *old_root = NULL;
 	u64 old_generation = 0;
@@ -1380,6 +1381,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq)
 			free_extent_buffer(old);
 		}
 	} else if (old_root) {
+		eb_root_owner = btrfs_header_owner(eb_root);
 		btrfs_tree_read_unlock(eb_root);
 		free_extent_buffer(eb_root);
 		eb = alloc_dummy_extent_buffer(fs_info, logical);
@@ -1396,7 +1398,7 @@ get_old_root(struct btrfs_root *root, u64 time_seq)
 	if (old_root) {
 		btrfs_set_header_bytenr(eb, eb->start);
 		btrfs_set_header_backref_rev(eb, BTRFS_MIXED_BACKREF_REV);
-		btrfs_set_header_owner(eb, btrfs_header_owner(eb_root));
+		btrfs_set_header_owner(eb, eb_root_owner);
 		btrfs_set_header_level(eb, old_root->level);
 		btrfs_set_header_generation(eb, old_generation);
 	}
@@ -5475,6 +5477,7 @@ int btrfs_compare_trees(struct btrfs_root *left_root,
 	advance_left = advance_right = 0;
 
 	while (1) {
+		cond_resched();
 		if (advance_left && !left_end_reached) {
 			ret = tree_advance(left_path, &left_level,
 					left_root_level,
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0a61dff27f57..ae784d7bf5f3 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -40,6 +40,7 @@ extern struct kmem_cache *btrfs_trans_handle_cachep;
 extern struct kmem_cache *btrfs_bit_radix_cachep;
 extern struct kmem_cache *btrfs_path_cachep;
 extern struct kmem_cache *btrfs_free_space_cachep;
+extern struct kmem_cache *btrfs_free_space_bitmap_cachep;
 struct btrfs_ordered_sum;
 struct btrfs_ref;
 
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 43fdb2992956..6858a05606dd 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -474,6 +474,9 @@ static void __btrfs_remove_delayed_item(struct btrfs_delayed_item *delayed_item)
 	struct rb_root_cached *root;
 	struct btrfs_delayed_root *delayed_root;
 
+	/* Not associated with any delayed_node */
+	if (!delayed_item->delayed_node)
+		return;
 	delayed_root = delayed_item->delayed_node->root->fs_info->delayed_root;
 
 	BUG_ON(!delayed_root);
@@ -1525,7 +1528,12 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
 	 * we have reserved enough space when we start a new transaction,
 	 * so reserving metadata failure is impossible.
 	 */
-	BUG_ON(ret);
+	if (ret < 0) {
+		btrfs_err(trans->fs_info,
+"metadata reservation failed for delayed dir item deltiona, should have been reserved");
+		btrfs_release_delayed_item(item);
+		goto end;
+	}
 
 	mutex_lock(&node->mutex);
 	ret = __btrfs_add_delayed_deletion_item(node, item);
@@ -1534,7 +1542,8 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
 			  "err add delayed dir index item(index: %llu) into the deletion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)",
 			  index, node->root->root_key.objectid,
 			  node->inode_id, ret);
-		BUG();
+		btrfs_delayed_item_release_metadata(dir->root, item);
+		btrfs_release_delayed_item(item);
 	}
 	mutex_unlock(&node->mutex);
 end:
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index deb74a8c191a..6d26d38a2e12 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -423,6 +423,16 @@ int btrfs_verify_level_key(struct extent_buffer *eb, int level,
 	 */
 	if (btrfs_header_generation(eb) > fs_info->last_trans_committed)
 		return 0;
+
+	/* We have @first_key, so this @eb must have at least one item */
+	if (btrfs_header_nritems(eb) == 0) {
+		btrfs_err(fs_info,
+		"invalid tree nritems, bytenr=%llu nritems=0 expect >0",
+			  eb->start);
+		WARN_ON(IS_ENABLED(CONFIG_BTRFS_DEBUG));
+		return -EUCLEAN;
+	}
+
 	if (found_level)
 		btrfs_node_key_to_cpu(eb, &found_key, 0);
 	else
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b8f472087902..37865929fdc2 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7875,6 +7875,14 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
 			 */
 			if ((flags & extra) && !(block_group->flags & extra))
 				goto loop;
+
+			/*
+			 * This block group has different flags than we want.
+			 * It's possible that we have MIXED_GROUP flag but no
+			 * block group is mixed.  Just skip such block group.
+			 */
+			btrfs_release_block_group(block_group, delalloc);
+			continue;
 		}
 
 have_block_group:
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 93900ff87df7..0d16ed19e84b 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3708,11 +3708,20 @@ static noinline_for_stack int lock_extent_buffer_for_io(struct extent_buffer *eb
 static void set_btree_ioerr(struct page *page)
 {
 	struct extent_buffer *eb = (struct extent_buffer *)page->private;
+	struct btrfs_fs_info *fs_info;
 
 	SetPageError(page);
 	if (test_and_set_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags))
 		return;
 
+	/*
+	 * If we error out, we should add back the dirty_metadata_bytes
+	 * to make it consistent.
+	 */
+	fs_info = eb->fs_info;
+	percpu_counter_add_batch(&fs_info->dirty_metadata_bytes,
+				 eb->len, fs_info->dirty_metadata_batch);
+
 	/*
 	 * If writeback for a btree extent that doesn't belong to a log tree
 	 * failed, increment the counter transaction->eb_write_errors.
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index f74dc259307b..232546190656 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -764,7 +764,8 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
 		} else {
 			ASSERT(num_bitmaps);
 			num_bitmaps--;
-			e->bitmap = kzalloc(PAGE_SIZE, GFP_NOFS);
+			e->bitmap = kmem_cache_zalloc(
+					btrfs_free_space_bitmap_cachep, GFP_NOFS);
 			if (!e->bitmap) {
 				kmem_cache_free(
 					btrfs_free_space_cachep, e);
@@ -1881,7 +1882,7 @@ static void free_bitmap(struct btrfs_free_space_ctl *ctl,
 			struct btrfs_free_space *bitmap_info)
 {
 	unlink_free_space(ctl, bitmap_info);
-	kfree(bitmap_info->bitmap);
+	kmem_cache_free(btrfs_free_space_bitmap_cachep, bitmap_info->bitmap);
 	kmem_cache_free(btrfs_free_space_cachep, bitmap_info);
 	ctl->total_bitmaps--;
 	ctl->op->recalc_thresholds(ctl);
@@ -2135,7 +2136,8 @@ static int insert_into_bitmap(struct btrfs_free_space_ctl *ctl,
 		}
 
 		/* allocate the bitmap */
-		info->bitmap = kzalloc(PAGE_SIZE, GFP_NOFS);
+		info->bitmap = kmem_cache_zalloc(btrfs_free_space_bitmap_cachep,
+						 GFP_NOFS);
 		spin_lock(&ctl->tree_lock);
 		if (!info->bitmap) {
 			ret = -ENOMEM;
@@ -2146,7 +2148,9 @@ static int insert_into_bitmap(struct btrfs_free_space_ctl *ctl,
 
 out:
 	if (info) {
-		kfree(info->bitmap);
+		if (info->bitmap)
+			kmem_cache_free(btrfs_free_space_bitmap_cachep,
+					info->bitmap);
 		kmem_cache_free(btrfs_free_space_cachep, info);
 	}
 
@@ -2802,7 +2806,8 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
 	if (entry->bytes == 0) {
 		ctl->free_extents--;
 		if (entry->bitmap) {
-			kfree(entry->bitmap);
+			kmem_cache_free(btrfs_free_space_bitmap_cachep,
+					entry->bitmap);
 			ctl->total_bitmaps--;
 			ctl->op->recalc_thresholds(ctl);
 		}
@@ -3606,7 +3611,7 @@ int test_add_free_space_entry(struct btrfs_block_group_cache *cache,
 	}
 
 	if (!map) {
-		map = kzalloc(PAGE_SIZE, GFP_NOFS);
+		map = kmem_cache_zalloc(btrfs_free_space_bitmap_cachep, GFP_NOFS);
 		if (!map) {
 			kmem_cache_free(btrfs_free_space_cachep, info);
 			return -ENOMEM;
@@ -3635,7 +3640,8 @@ int test_add_free_space_entry(struct btrfs_block_group_cache *cache,
 
 	if (info)
 		kmem_cache_free(btrfs_free_space_cachep, info);
-	kfree(map);
+	if (map)
+		kmem_cache_free(btrfs_free_space_bitmap_cachep, map);
 	return 0;
 }
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8c9c7d76c900..4bdc43e1e53c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -73,6 +73,7 @@ static struct kmem_cache *btrfs_inode_cachep;
 struct kmem_cache *btrfs_trans_handle_cachep;
 struct kmem_cache *btrfs_path_cachep;
 struct kmem_cache *btrfs_free_space_cachep;
+struct kmem_cache *btrfs_free_space_bitmap_cachep;
 
 static int btrfs_setsize(struct inode *inode, struct iattr *attr);
 static int btrfs_truncate(struct inode *inode, bool skip_writeback);
@@ -9361,6 +9362,7 @@ void __cold btrfs_destroy_cachep(void)
 	kmem_cache_destroy(btrfs_trans_handle_cachep);
 	kmem_cache_destroy(btrfs_path_cachep);
 	kmem_cache_destroy(btrfs_free_space_cachep);
+	kmem_cache_destroy(btrfs_free_space_bitmap_cachep);
 }
 
 int __init btrfs_init_cachep(void)
@@ -9390,6 +9392,12 @@ int __init btrfs_init_cachep(void)
 	if (!btrfs_free_space_cachep)
 		goto fail;
 
+	btrfs_free_space_bitmap_cachep = kmem_cache_create("btrfs_free_space_bitmap",
+							PAGE_SIZE, PAGE_SIZE,
+							SLAB_RED_ZONE, NULL);
+	if (!btrfs_free_space_bitmap_cachep)
+		goto fail;
+
 	return 0;
 fail:
 	btrfs_destroy_cachep();
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index f8a3c1b0a15a..001efc9ba1e7 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -3154,9 +3154,6 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
 	btrfs_free_path(path);
 
 	mutex_lock(&fs_info->qgroup_rescan_lock);
-	if (!btrfs_fs_closing(fs_info))
-		fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_RESCAN;
-
 	if (err > 0 &&
 	    fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT) {
 		fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
@@ -3172,16 +3169,30 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
 	trans = btrfs_start_transaction(fs_info->quota_root, 1);
 	if (IS_ERR(trans)) {
 		err = PTR_ERR(trans);
+		trans = NULL;
 		btrfs_err(fs_info,
 			  "fail to start transaction for status update: %d",
 			  err);
-		goto done;
 	}
-	ret = update_qgroup_status_item(trans);
-	if (ret < 0) {
-		err = ret;
-		btrfs_err(fs_info, "fail to update qgroup status: %d", err);
+
+	mutex_lock(&fs_info->qgroup_rescan_lock);
+	if (!btrfs_fs_closing(fs_info))
+		fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_RESCAN;
+	if (trans) {
+		ret = update_qgroup_status_item(trans);
+		if (ret < 0) {
+			err = ret;
+			btrfs_err(fs_info, "fail to update qgroup status: %d",
+				  err);
+		}
 	}
+	fs_info->qgroup_rescan_running = false;
+	complete_all(&fs_info->qgroup_rescan_completion);
+	mutex_unlock(&fs_info->qgroup_rescan_lock);
+
+	if (!trans)
+		return;
+
 	btrfs_end_transaction(trans);
 
 	if (btrfs_fs_closing(fs_info)) {
@@ -3192,12 +3203,6 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
 	} else {
 		btrfs_err(fs_info, "qgroup scan failed with %d", err);
 	}
-
-done:
-	mutex_lock(&fs_info->qgroup_rescan_lock);
-	fs_info->qgroup_rescan_running = false;
-	mutex_unlock(&fs_info->qgroup_rescan_lock);
-	complete_all(&fs_info->qgroup_rescan_completion);
 }
 
 /*
@@ -3425,6 +3430,9 @@ int btrfs_qgroup_reserve_data(struct inode *inode,
 	while ((unode = ulist_next(&reserved->range_changed, &uiter)))
 		clear_extent_bit(&BTRFS_I(inode)->io_tree, unode->val,
 				 unode->aux, EXTENT_QGROUP_RESERVED, 0, 0, NULL);
+	/* Also free data bytes of already reserved one */
+	btrfs_qgroup_free_refroot(root->fs_info, root->root_key.objectid,
+				  orig_reserved, BTRFS_QGROUP_RSV_DATA);
 	extent_changeset_release(reserved);
 	return ret;
 }
@@ -3469,7 +3477,7 @@ static int qgroup_free_reserved_data(struct inode *inode,
 		 * EXTENT_QGROUP_RESERVED, we won't double free.
 		 * So not need to rush.
 		 */
-		ret = clear_record_extent_bits(&BTRFS_I(inode)->io_failure_tree,
+		ret = clear_record_extent_bits(&BTRFS_I(inode)->io_tree,
 				free_start, free_start + free_len - 1,
 				EXTENT_QGROUP_RESERVED, &changeset);
 		if (ret < 0)
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index ccd5706199d7..9634cae1e1b1 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -821,6 +821,95 @@ static int check_inode_item(struct extent_buffer *leaf,
 	return 0;
 }
 
+static int check_root_item(struct extent_buffer *leaf, struct btrfs_key *key,
+			   int slot)
+{
+	struct btrfs_fs_info *fs_info = leaf->fs_info;
+	struct btrfs_root_item ri;
+	const u64 valid_root_flags = BTRFS_ROOT_SUBVOL_RDONLY |
+				     BTRFS_ROOT_SUBVOL_DEAD;
+
+	/* No such tree id */
+	if (key->objectid == 0) {
+		generic_err(leaf, slot, "invalid root id 0");
+		return -EUCLEAN;
+	}
+
+	/*
+	 * Some older kernel may create ROOT_ITEM with non-zero offset, so here
+	 * we only check offset for reloc tree whose key->offset must be a
+	 * valid tree.
+	 */
+	if (key->objectid == BTRFS_TREE_RELOC_OBJECTID && key->offset == 0) {
+		generic_err(leaf, slot, "invalid root id 0 for reloc tree");
+		return -EUCLEAN;
+	}
+
+	if (btrfs_item_size_nr(leaf, slot) != sizeof(ri)) {
+		generic_err(leaf, slot,
+			    "invalid root item size, have %u expect %zu",
+			    btrfs_item_size_nr(leaf, slot), sizeof(ri));
+	}
+
+	read_extent_buffer(leaf, &ri, btrfs_item_ptr_offset(leaf, slot),
+			   sizeof(ri));
+
+	/* Generation related */
+	if (btrfs_root_generation(&ri) >
+	    btrfs_super_generation(fs_info->super_copy) + 1) {
+		generic_err(leaf, slot,
+			"invalid root generation, have %llu expect (0, %llu]",
+			    btrfs_root_generation(&ri),
+			    btrfs_super_generation(fs_info->super_copy) + 1);
+		return -EUCLEAN;
+	}
+	if (btrfs_root_generation_v2(&ri) >
+	    btrfs_super_generation(fs_info->super_copy) + 1) {
+		generic_err(leaf, slot,
+		"invalid root v2 generation, have %llu expect (0, %llu]",
+			    btrfs_root_generation_v2(&ri),
+			    btrfs_super_generation(fs_info->super_copy) + 1);
+		return -EUCLEAN;
+	}
+	if (btrfs_root_last_snapshot(&ri) >
+	    btrfs_super_generation(fs_info->super_copy) + 1) {
+		generic_err(leaf, slot,
+		"invalid root last_snapshot, have %llu expect (0, %llu]",
+			    btrfs_root_last_snapshot(&ri),
+			    btrfs_super_generation(fs_info->super_copy) + 1);
+		return -EUCLEAN;
+	}
+
+	/* Alignment and level check */
+	if (!IS_ALIGNED(btrfs_root_bytenr(&ri), fs_info->sectorsize)) {
+		generic_err(leaf, slot,
+		"invalid root bytenr, have %llu expect to be aligned to %u",
+			    btrfs_root_bytenr(&ri), fs_info->sectorsize);
+		return -EUCLEAN;
+	}
+	if (btrfs_root_level(&ri) >= BTRFS_MAX_LEVEL) {
+		generic_err(leaf, slot,
+			    "invalid root level, have %u expect [0, %u]",
+			    btrfs_root_level(&ri), BTRFS_MAX_LEVEL - 1);
+		return -EUCLEAN;
+	}
+	if (ri.drop_level >= BTRFS_MAX_LEVEL) {
+		generic_err(leaf, slot,
+			    "invalid root level, have %u expect [0, %u]",
+			    ri.drop_level, BTRFS_MAX_LEVEL - 1);
+		return -EUCLEAN;
+	}
+
+	/* Flags check */
+	if (btrfs_root_flags(&ri) & ~valid_root_flags) {
+		generic_err(leaf, slot,
+			    "invalid root flags, have 0x%llx expect mask 0x%llx",
+			    btrfs_root_flags(&ri), valid_root_flags);
+		return -EUCLEAN;
+	}
+	return 0;
+}
+
 /*
  * Common point to switch the item-specific validation.
  */
@@ -856,6 +945,9 @@ static int check_leaf_item(struct extent_buffer *leaf,
 	case BTRFS_INODE_ITEM_KEY:
 		ret = check_inode_item(leaf, key, slot);
 		break;
+	case BTRFS_ROOT_ITEM_KEY:
+		ret = check_root_item(leaf, key, slot);
+		break;
 	}
 	return ret;
 }
@@ -899,6 +991,12 @@ static int check_leaf(struct extent_buffer *leaf, bool check_item_data)
 				    owner);
 			return -EUCLEAN;
 		}
+		/* Unknown tree */
+		if (owner == 0) {
+			generic_err(leaf, 0,
+				"invalid owner, root 0 is not defined");
+			return -EUCLEAN;
+		}
 		return 0;
 	}
 
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 65d9771e49f9..bd34ea0d27e9 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -433,6 +433,8 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
 	cifs_show_security(s, tcon->ses);
 	cifs_show_cache_flavor(s, cifs_sb);
 
+	if (tcon->no_lease)
+		seq_puts(s, ",nolease");
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER)
 		seq_puts(s, ",multiuser");
 	else if (tcon->ses->user_name)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 4777b3c4a92c..85aa1bc930f1 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -575,6 +575,7 @@ struct smb_vol {
 	bool noblocksnd:1;
 	bool noautotune:1;
 	bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
+	bool no_lease:1;     /* disable requesting leases */
 	bool fsc:1;	/* enable fscache */
 	bool mfsymlinks:1; /* use Minshall+French Symlinks */
 	bool multiuser:1;
@@ -1079,6 +1080,7 @@ struct cifs_tcon {
 	bool need_reopen_files:1; /* need to reopen tcon file handles */
 	bool use_resilient:1; /* use resilient instead of durable handles */
 	bool use_persistent:1; /* use persistent instead of durable handles */
+	bool no_lease:1;    /* Do not request leases on files or directories */
 	__le32 capabilities;
 	__u32 share_flags;
 	__u32 maximal_access;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 85b2107e8a3d..bd8c00635ea4 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -74,7 +74,7 @@ enum {
 	Opt_user_xattr, Opt_nouser_xattr,
 	Opt_forceuid, Opt_noforceuid,
 	Opt_forcegid, Opt_noforcegid,
-	Opt_noblocksend, Opt_noautotune,
+	Opt_noblocksend, Opt_noautotune, Opt_nolease,
 	Opt_hard, Opt_soft, Opt_perm, Opt_noperm,
 	Opt_mapposix, Opt_nomapposix,
 	Opt_mapchars, Opt_nomapchars, Opt_sfu,
@@ -133,6 +133,7 @@ static const match_table_t cifs_mount_option_tokens = {
 	{ Opt_noforcegid, "noforcegid" },
 	{ Opt_noblocksend, "noblocksend" },
 	{ Opt_noautotune, "noautotune" },
+	{ Opt_nolease, "nolease" },
 	{ Opt_hard, "hard" },
 	{ Opt_soft, "soft" },
 	{ Opt_perm, "perm" },
@@ -1709,6 +1710,9 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
 		case Opt_noautotune:
 			vol->noautotune = 1;
 			break;
+		case Opt_nolease:
+			vol->no_lease = 1;
+			break;
 		case Opt_hard:
 			vol->retry = 1;
 			break;
@@ -3230,6 +3234,8 @@ static int match_tcon(struct cifs_tcon *tcon, struct smb_vol *volume_info)
 		return 0;
 	if (tcon->handle_timeout != volume_info->handle_timeout)
 		return 0;
+	if (tcon->no_lease != volume_info->no_lease)
+		return 0;
 	return 1;
 }
 
@@ -3444,6 +3450,7 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
 	tcon->nocase = volume_info->nocase;
 	tcon->nohandlecache = volume_info->nohandlecache;
 	tcon->local_lease = volume_info->local_lease;
+	tcon->no_lease = volume_info->no_lease;
 	INIT_LIST_HEAD(&tcon->pending_opens);
 
 	spin_lock(&cifs_tcp_ses_lock);
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 8ae8ef526b4a..0011e6bdaa9a 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -743,6 +743,8 @@ int open_shroot(unsigned int xid, struct cifs_tcon *tcon, struct cifs_fid *pfid)
 	if (rc)
 		goto oshr_exit;
 
+	atomic_inc(&tcon->num_remote_opens);
+
 	o_rsp = (struct smb2_create_rsp *)rsp_iov[0].iov_base;
 	oparms.fid->persistent_fid = o_rsp->PersistentFileId;
 	oparms.fid->volatile_fid = o_rsp->VolatileFileId;
@@ -1167,6 +1169,7 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
 
 	rc = compound_send_recv(xid, ses, flags, 3, rqst,
 				resp_buftype, rsp_iov);
+	/* no need to bump num_remote_opens because handle immediately closed */
 
  sea_exit:
 	kfree(ea);
@@ -1488,6 +1491,8 @@ smb2_ioctl_query_info(const unsigned int xid,
 				resp_buftype, rsp_iov);
 	if (rc)
 		goto iqinf_exit;
+
+	/* No need to bump num_remote_opens since handle immediately closed */
 	if (qi.flags & PASSTHRU_FSCTL) {
 		pqi = (struct smb_query_info __user *)arg;
 		io_rsp = (struct smb2_ioctl_rsp *)rsp_iov[1].iov_base;
@@ -3249,6 +3254,11 @@ smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
 	if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
 		return;
 
+	/* Check if the server granted an oplock rather than a lease */
+	if (oplock & SMB2_OPLOCK_LEVEL_EXCLUSIVE)
+		return smb2_set_oplock_level(cinode, oplock, epoch,
+					     purge_cache);
+
 	if (oplock & SMB2_LEASE_READ_CACHING_HE) {
 		new_oplock |= CIFS_CACHE_READ_FLG;
 		strcat(message, "R");
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index c3c8de5513db..a221536db0de 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2263,6 +2263,7 @@ int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
 	rqst.rq_iov = iov;
 	rqst.rq_nvec = n_iov;
 
+	/* no need to inc num_remote_opens because we close it just below */
 	trace_smb3_posix_mkdir_enter(xid, tcon->tid, ses->Suid, CREATE_NOT_FILE,
 				    FILE_WRITE_ATTRIBUTES);
 	/* resource #4: response buffer */
@@ -2370,7 +2371,7 @@ SMB2_open_init(struct cifs_tcon *tcon, struct smb_rqst *rqst, __u8 *oplock,
 	iov[1].iov_len = uni_path_len;
 	iov[1].iov_base = path;
 
-	if (!server->oplocks)
+	if ((!server->oplocks) || (tcon->no_lease))
 		*oplock = SMB2_OPLOCK_LEVEL_NONE;
 
 	if (!(server->capabilities & SMB2_GLOBAL_CAP_LEASING) ||
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index 50ddb795aaeb..a2db401a58ed 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -31,7 +31,7 @@
 #include "cifs_fs_sb.h"
 #include "cifs_unicode.h"
 
-#define MAX_EA_VALUE_SIZE 65535
+#define MAX_EA_VALUE_SIZE CIFSMaxBufSize
 #define CIFS_XATTR_CIFS_ACL "system.cifs_acl"
 #define CIFS_XATTR_ATTRIB "cifs.dosattrib"  /* full name: user.cifs.dosattrib */
 #define CIFS_XATTR_CREATETIME "cifs.creationtime"  /* user.cifs.creationtime */
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d40ed940001e..7a72cde366f7 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3813,8 +3813,8 @@ static int ext4_convert_unwritten_extents_endio(handle_t *handle,
 	 * illegal.
 	 */
 	if (ee_block != map->m_lblk || ee_len > map->m_len) {
-#ifdef EXT4_DEBUG
-		ext4_warning("Inode (%ld) finished: extent logical block %llu,"
+#ifdef CONFIG_EXT4_DEBUG
+		ext4_warning(inode->i_sb, "Inode (%ld) finished: extent logical block %llu,"
 			     " len %u; IO logical block %llu, len %u",
 			     inode->i_ino, (unsigned long long)ee_block, ee_len,
 			     (unsigned long long)map->m_lblk, map->m_len);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 85c648289b57..a084e84610f8 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4288,6 +4288,15 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
 
 	trace_ext4_punch_hole(inode, offset, length, 0);
 
+	ext4_clear_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA);
+	if (ext4_has_inline_data(inode)) {
+		down_write(&EXT4_I(inode)->i_mmap_sem);
+		ret = ext4_convert_inline_data(inode);
+		up_write(&EXT4_I(inode)->i_mmap_sem);
+		if (ret)
+			return ret;
+	}
+
 	/*
 	 * Write out all dirty pages to avoid race conditions
 	 * Then release them.
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index ea8237513dfa..186468fba82e 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -377,7 +377,7 @@ static void queue_request(struct fuse_iqueue *fiq, struct fuse_req *req)
 	req->in.h.len = sizeof(struct fuse_in_header) +
 		len_args(req->in.numargs, (struct fuse_arg *) req->in.args);
 	list_add_tail(&req->list, &fiq->pending);
-	wake_up_locked(&fiq->waitq);
+	wake_up(&fiq->waitq);
 	kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
 }
 
@@ -389,16 +389,16 @@ void fuse_queue_forget(struct fuse_conn *fc, struct fuse_forget_link *forget,
 	forget->forget_one.nodeid = nodeid;
 	forget->forget_one.nlookup = nlookup;
 
-	spin_lock(&fiq->waitq.lock);
+	spin_lock(&fiq->lock);
 	if (fiq->connected) {
 		fiq->forget_list_tail->next = forget;
 		fiq->forget_list_tail = forget;
-		wake_up_locked(&fiq->waitq);
+		wake_up(&fiq->waitq);
 		kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
 	} else {
 		kfree(forget);
 	}
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 }
 
 static void flush_bg_queue(struct fuse_conn *fc)
@@ -412,10 +412,10 @@ static void flush_bg_queue(struct fuse_conn *fc)
 		req = list_first_entry(&fc->bg_queue, struct fuse_req, list);
 		list_del(&req->list);
 		fc->active_background++;
-		spin_lock(&fiq->waitq.lock);
+		spin_lock(&fiq->lock);
 		req->in.h.unique = fuse_get_unique(fiq);
 		queue_request(fiq, req);
-		spin_unlock(&fiq->waitq.lock);
+		spin_unlock(&fiq->lock);
 	}
 }
 
@@ -439,9 +439,9 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
 	 * smp_mb() from queue_interrupt().
 	 */
 	if (!list_empty(&req->intr_entry)) {
-		spin_lock(&fiq->waitq.lock);
+		spin_lock(&fiq->lock);
 		list_del_init(&req->intr_entry);
-		spin_unlock(&fiq->waitq.lock);
+		spin_unlock(&fiq->lock);
 	}
 	WARN_ON(test_bit(FR_PENDING, &req->flags));
 	WARN_ON(test_bit(FR_SENT, &req->flags));
@@ -483,10 +483,10 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
 
 static int queue_interrupt(struct fuse_iqueue *fiq, struct fuse_req *req)
 {
-	spin_lock(&fiq->waitq.lock);
+	spin_lock(&fiq->lock);
 	/* Check for we've sent request to interrupt this req */
 	if (unlikely(!test_bit(FR_INTERRUPTED, &req->flags))) {
-		spin_unlock(&fiq->waitq.lock);
+		spin_unlock(&fiq->lock);
 		return -EINVAL;
 	}
 
@@ -499,13 +499,13 @@ static int queue_interrupt(struct fuse_iqueue *fiq, struct fuse_req *req)
 		smp_mb();
 		if (test_bit(FR_FINISHED, &req->flags)) {
 			list_del_init(&req->intr_entry);
-			spin_unlock(&fiq->waitq.lock);
+			spin_unlock(&fiq->lock);
 			return 0;
 		}
-		wake_up_locked(&fiq->waitq);
+		wake_up(&fiq->waitq);
 		kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
 	}
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 	return 0;
 }
 
@@ -535,16 +535,16 @@ static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req)
 		if (!err)
 			return;
 
-		spin_lock(&fiq->waitq.lock);
+		spin_lock(&fiq->lock);
 		/* Request is not yet in userspace, bail out */
 		if (test_bit(FR_PENDING, &req->flags)) {
 			list_del(&req->list);
-			spin_unlock(&fiq->waitq.lock);
+			spin_unlock(&fiq->lock);
 			__fuse_put_request(req);
 			req->out.h.error = -EINTR;
 			return;
 		}
-		spin_unlock(&fiq->waitq.lock);
+		spin_unlock(&fiq->lock);
 	}
 
 	/*
@@ -559,9 +559,9 @@ static void __fuse_request_send(struct fuse_conn *fc, struct fuse_req *req)
 	struct fuse_iqueue *fiq = &fc->iq;
 
 	BUG_ON(test_bit(FR_BACKGROUND, &req->flags));
-	spin_lock(&fiq->waitq.lock);
+	spin_lock(&fiq->lock);
 	if (!fiq->connected) {
-		spin_unlock(&fiq->waitq.lock);
+		spin_unlock(&fiq->lock);
 		req->out.h.error = -ENOTCONN;
 	} else {
 		req->in.h.unique = fuse_get_unique(fiq);
@@ -569,7 +569,7 @@ static void __fuse_request_send(struct fuse_conn *fc, struct fuse_req *req)
 		/* acquire extra reference, since request is still needed
 		   after request_end() */
 		__fuse_get_request(req);
-		spin_unlock(&fiq->waitq.lock);
+		spin_unlock(&fiq->lock);
 
 		request_wait_answer(fc, req);
 		/* Pairs with smp_wmb() in request_end() */
@@ -700,12 +700,12 @@ static int fuse_request_send_notify_reply(struct fuse_conn *fc,
 
 	__clear_bit(FR_ISREPLY, &req->flags);
 	req->in.h.unique = unique;
-	spin_lock(&fiq->waitq.lock);
+	spin_lock(&fiq->lock);
 	if (fiq->connected) {
 		queue_request(fiq, req);
 		err = 0;
 	}
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 
 	return err;
 }
@@ -1149,12 +1149,12 @@ static int request_pending(struct fuse_iqueue *fiq)
  * Unlike other requests this is assembled on demand, without a need
  * to allocate a separate fuse_req structure.
  *
- * Called with fiq->waitq.lock held, releases it
+ * Called with fiq->lock held, releases it
  */
 static int fuse_read_interrupt(struct fuse_iqueue *fiq,
 			       struct fuse_copy_state *cs,
 			       size_t nbytes, struct fuse_req *req)
-__releases(fiq->waitq.lock)
+__releases(fiq->lock)
 {
 	struct fuse_in_header ih;
 	struct fuse_interrupt_in arg;
@@ -1169,7 +1169,7 @@ __releases(fiq->waitq.lock)
 	ih.unique = (req->in.h.unique | FUSE_INT_REQ_BIT);
 	arg.unique = req->in.h.unique;
 
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 	if (nbytes < reqsize)
 		return -EINVAL;
 
@@ -1206,7 +1206,7 @@ static struct fuse_forget_link *dequeue_forget(struct fuse_iqueue *fiq,
 static int fuse_read_single_forget(struct fuse_iqueue *fiq,
 				   struct fuse_copy_state *cs,
 				   size_t nbytes)
-__releases(fiq->waitq.lock)
+__releases(fiq->lock)
 {
 	int err;
 	struct fuse_forget_link *forget = dequeue_forget(fiq, 1, NULL);
@@ -1220,7 +1220,7 @@ __releases(fiq->waitq.lock)
 		.len = sizeof(ih) + sizeof(arg),
 	};
 
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 	kfree(forget);
 	if (nbytes < ih.len)
 		return -EINVAL;
@@ -1238,7 +1238,7 @@ __releases(fiq->waitq.lock)
 
 static int fuse_read_batch_forget(struct fuse_iqueue *fiq,
 				   struct fuse_copy_state *cs, size_t nbytes)
-__releases(fiq->waitq.lock)
+__releases(fiq->lock)
 {
 	int err;
 	unsigned max_forgets;
@@ -1252,13 +1252,13 @@ __releases(fiq->waitq.lock)
 	};
 
 	if (nbytes < ih.len) {
-		spin_unlock(&fiq->waitq.lock);
+		spin_unlock(&fiq->lock);
 		return -EINVAL;
 	}
 
 	max_forgets = (nbytes - ih.len) / sizeof(struct fuse_forget_one);
 	head = dequeue_forget(fiq, max_forgets, &count);
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 
 	arg.count = count;
 	ih.len += count * sizeof(struct fuse_forget_one);
@@ -1288,7 +1288,7 @@ __releases(fiq->waitq.lock)
 static int fuse_read_forget(struct fuse_conn *fc, struct fuse_iqueue *fiq,
 			    struct fuse_copy_state *cs,
 			    size_t nbytes)
-__releases(fiq->waitq.lock)
+__releases(fiq->lock)
 {
 	if (fc->minor < 16 || fiq->forget_list_head.next->next == NULL)
 		return fuse_read_single_forget(fiq, cs, nbytes);
@@ -1318,16 +1318,19 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file,
 	unsigned int hash;
 
  restart:
-	spin_lock(&fiq->waitq.lock);
-	err = -EAGAIN;
-	if ((file->f_flags & O_NONBLOCK) && fiq->connected &&
-	    !request_pending(fiq))
-		goto err_unlock;
+	for (;;) {
+		spin_lock(&fiq->lock);
+		if (!fiq->connected || request_pending(fiq))
+			break;
+		spin_unlock(&fiq->lock);
 
-	err = wait_event_interruptible_exclusive_locked(fiq->waitq,
+		if (file->f_flags & O_NONBLOCK)
+			return -EAGAIN;
+		err = wait_event_interruptible_exclusive(fiq->waitq,
 				!fiq->connected || request_pending(fiq));
-	if (err)
-		goto err_unlock;
+		if (err)
+			return err;
+	}
 
 	if (!fiq->connected) {
 		err = fc->aborted ? -ECONNABORTED : -ENODEV;
@@ -1351,7 +1354,7 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file,
 	req = list_entry(fiq->pending.next, struct fuse_req, list);
 	clear_bit(FR_PENDING, &req->flags);
 	list_del_init(&req->list);
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 
 	in = &req->in;
 	reqsize = in->h.len;
@@ -1409,7 +1412,7 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file,
 	return err;
 
  err_unlock:
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 	return err;
 }
 
@@ -2121,12 +2124,12 @@ static __poll_t fuse_dev_poll(struct file *file, poll_table *wait)
 	fiq = &fud->fc->iq;
 	poll_wait(file, &fiq->waitq, wait);
 
-	spin_lock(&fiq->waitq.lock);
+	spin_lock(&fiq->lock);
 	if (!fiq->connected)
 		mask = EPOLLERR;
 	else if (request_pending(fiq))
 		mask |= EPOLLIN | EPOLLRDNORM;
-	spin_unlock(&fiq->waitq.lock);
+	spin_unlock(&fiq->lock);
 
 	return mask;
 }
@@ -2221,15 +2224,15 @@ void fuse_abort_conn(struct fuse_conn *fc)
 		flush_bg_queue(fc);
 		spin_unlock(&fc->bg_lock);
 
-		spin_lock(&fiq->waitq.lock);
+		spin_lock(&fiq->lock);
 		fiq->connected = 0;
 		list_for_each_entry(req, &fiq->pending, list)
 			clear_bit(FR_PENDING, &req->flags);
 		list_splice_tail_init(&fiq->pending, &to_end);
 		while (forget_pending(fiq))
 			kfree(dequeue_forget(fiq, 1, NULL));
-		wake_up_all_locked(&fiq->waitq);
-		spin_unlock(&fiq->waitq.lock);
+		wake_up_all(&fiq->waitq);
+		spin_unlock(&fiq->lock);
 		kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
 		end_polls(fc);
 		wake_up_all(&fc->blocked_waitq);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index b8f9c83835d5..fdff7bf4fa4f 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1767,6 +1767,7 @@ static int fuse_writepage(struct page *page, struct writeback_control *wbc)
 		WARN_ON(wbc->sync_mode == WB_SYNC_ALL);
 
 		redirty_page_for_writepage(wbc, page);
+		unlock_page(page);
 		return 0;
 	}
 
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 24dbca777775..89bdc41e0d86 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -450,6 +450,9 @@ struct fuse_iqueue {
 	/** Connection established */
 	unsigned connected;
 
+	/** Lock protecting accesses to members of this structure */
+	spinlock_t lock;
+
 	/** Readers of the connection are waiting on this */
 	wait_queue_head_t waitq;
 
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 4bb885b0f032..987877860c01 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -582,6 +582,7 @@ static int fuse_show_options(struct seq_file *m, struct dentry *root)
 static void fuse_iqueue_init(struct fuse_iqueue *fiq)
 {
 	memset(fiq, 0, sizeof(struct fuse_iqueue));
+	spin_lock_init(&fiq->lock);
 	init_waitqueue_head(&fiq->waitq);
 	INIT_LIST_HEAD(&fiq->pending);
 	INIT_LIST_HEAD(&fiq->interrupts);
diff --git a/fs/fuse/readdir.c b/fs/fuse/readdir.c
index 574d03f8a573..b2da3de6a78e 100644
--- a/fs/fuse/readdir.c
+++ b/fs/fuse/readdir.c
@@ -372,11 +372,13 @@ static enum fuse_parse_result fuse_parse_cache(struct fuse_file *ff,
 	for (;;) {
 		struct fuse_dirent *dirent = addr + offset;
 		unsigned int nbytes = size - offset;
-		size_t reclen = FUSE_DIRENT_SIZE(dirent);
+		size_t reclen;
 
 		if (nbytes < FUSE_NAME_OFFSET || !dirent->namelen)
 			break;
 
+		reclen = FUSE_DIRENT_SIZE(dirent); /* derefs ->namelen */
+
 		if (WARN_ON(dirent->namelen > FUSE_NAME_MAX))
 			return FOUND_ERR;
 		if (WARN_ON(reclen > nbytes))
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 253e2f939d5f..b47939900932 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1670,6 +1670,7 @@ static int sweep_bh_for_rgrps(struct gfs2_inode *ip, struct gfs2_holder *rd_gh,
 			brelse(dibh);
 			up_write(&ip->i_rw_mutex);
 			gfs2_trans_end(sdp);
+			buf_in_tr = false;
 		}
 		gfs2_glock_dq_uninit(rd_gh);
 		cond_resched();
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 03cd8f5bba85..701936f2bde3 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -288,6 +288,7 @@ struct io_ring_ctx {
 struct sqe_submit {
 	const struct io_uring_sqe	*sqe;
 	unsigned short			index;
+	u32				sequence;
 	bool				has_user;
 	bool				needs_lock;
 	bool				needs_fixed_file;
@@ -1894,7 +1895,7 @@ static int io_req_set_file(struct io_ring_ctx *ctx, const struct sqe_submit *s,
 
 	if (flags & IOSQE_IO_DRAIN) {
 		req->flags |= REQ_F_IO_DRAIN;
-		req->sequence = ctx->cached_sq_head - 1;
+		req->sequence = s->sequence;
 	}
 
 	if (!io_op_needs_file(s->sqe))
@@ -2050,6 +2051,7 @@ static bool io_get_sqring(struct io_ring_ctx *ctx, struct sqe_submit *s)
 	if (head < ctx->sq_entries) {
 		s->index = head;
 		s->sqe = &ctx->sq_sqes[head];
+		s->sequence = ctx->cached_sq_head;
 		ctx->cached_sq_head++;
 		return true;
 	}
diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c
index cb8ec1f65c03..73c9775215b3 100644
--- a/fs/overlayfs/export.c
+++ b/fs/overlayfs/export.c
@@ -227,9 +227,8 @@ static int ovl_d_to_fh(struct dentry *dentry, char *buf, int buflen)
 	/* Encode an upper or lower file handle */
 	fh = ovl_encode_real_fh(enc_lower ? ovl_dentry_lower(dentry) :
 				ovl_dentry_upper(dentry), !enc_lower);
-	err = PTR_ERR(fh);
 	if (IS_ERR(fh))
-		goto fail;
+		return PTR_ERR(fh);
 
 	err = -EOVERFLOW;
 	if (fh->len > buflen)
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 7663aeb85fa3..bc14781886bf 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -383,7 +383,8 @@ static bool ovl_can_list(const char *s)
 		return true;
 
 	/* Never list trusted.overlay, list other trusted for superuser only */
-	return !ovl_is_private_xattr(s) && capable(CAP_SYS_ADMIN);
+	return !ovl_is_private_xattr(s) &&
+	       ns_capable_noaudit(&init_user_ns, CAP_SYS_ADMIN);
 }
 
 ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size)
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 76748255f843..6eba7f2492f6 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -33,6 +33,7 @@
 #include <linux/pagevec.h>
 #include <linux/backing-dev.h>
 #include <linux/mman.h>
+#include <linux/fadvise.h>
 
 static const struct vm_operations_struct xfs_file_vm_ops;
 
@@ -939,6 +940,30 @@ xfs_file_fallocate(
 	return error;
 }
 
+STATIC int
+xfs_file_fadvise(
+	struct file	*file,
+	loff_t		start,
+	loff_t		end,
+	int		advice)
+{
+	struct xfs_inode *ip = XFS_I(file_inode(file));
+	int ret;
+	int lockflags = 0;
+
+	/*
+	 * Operations creating pages in page cache need protection from hole
+	 * punching and similar ops
+	 */
+	if (advice == POSIX_FADV_WILLNEED) {
+		lockflags = XFS_IOLOCK_SHARED;
+		xfs_ilock(ip, lockflags);
+	}
+	ret = generic_fadvise(file, start, end, advice);
+	if (lockflags)
+		xfs_iunlock(ip, lockflags);
+	return ret;
+}
 
 STATIC loff_t
 xfs_file_remap_range(
@@ -1235,6 +1260,7 @@ const struct file_operations xfs_file_operations = {
 	.fsync		= xfs_file_fsync,
 	.get_unmapped_area = thp_get_unmapped_area,
 	.fallocate	= xfs_file_fallocate,
+	.fadvise	= xfs_file_fadvise,
 	.remap_file_range = xfs_file_remap_range,
 };
 
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 15d1aa53d96c..a5a99b43f68e 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -140,6 +140,7 @@ typedef int (poll_fn)(struct blk_mq_hw_ctx *);
 typedef int (map_queues_fn)(struct blk_mq_tag_set *set);
 typedef bool (busy_fn)(struct request_queue *);
 typedef void (complete_fn)(struct request *);
+typedef void (cleanup_rq_fn)(struct request *);
 
 
 struct blk_mq_ops {
@@ -200,6 +201,12 @@ struct blk_mq_ops {
 	/* Called from inside blk_get_request() */
 	void (*initialize_rq_fn)(struct request *rq);
 
+	/*
+	 * Called before freeing one request which isn't completed yet,
+	 * and usually for freeing the driver private data
+	 */
+	cleanup_rq_fn		*cleanup_rq;
+
 	/*
 	 * If set, returns whether or not this queue currently is busy
 	 */
@@ -366,4 +373,10 @@ static inline blk_qc_t request_to_qc_t(struct blk_mq_hw_ctx *hctx,
 			BLK_QC_T_INTERNAL;
 }
 
+static inline void blk_mq_cleanup_rq(struct request *rq)
+{
+	if (rq->q->mq_ops->cleanup_rq)
+		rq->q->mq_ops->cleanup_rq(rq);
+}
+
 #endif
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 93baef66b942..4c6754e53672 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -202,9 +202,12 @@ struct request {
 #ifdef CONFIG_BLK_WBT
 	unsigned short wbt_flags;
 #endif
-#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
-	unsigned short throtl_size;
-#endif
+	/*
+	 * rq sectors used for blk stats. It has the same value
+	 * with blk_rq_sectors(rq), except that it never be zeroed
+	 * by completion.
+	 */
+	unsigned short stats_sectors;
 
 	/*
 	 * Number of scatter-gather DMA addr+len pairs after
@@ -902,6 +905,7 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
  * blk_rq_err_bytes()		: bytes left till the next error boundary
  * blk_rq_sectors()		: sectors left in the entire request
  * blk_rq_cur_sectors()		: sectors left in the current segment
+ * blk_rq_stats_sectors()	: sectors of the entire request used for stats
  */
 static inline sector_t blk_rq_pos(const struct request *rq)
 {
@@ -930,6 +934,11 @@ static inline unsigned int blk_rq_cur_sectors(const struct request *rq)
 	return blk_rq_cur_bytes(rq) >> SECTOR_SHIFT;
 }
 
+static inline unsigned int blk_rq_stats_sectors(const struct request *rq)
+{
+	return rq->stats_sectors;
+}
+
 #ifdef CONFIG_BLK_DEV_ZONED
 static inline unsigned int blk_rq_zone_no(struct request *rq)
 {
diff --git a/include/linux/bug.h b/include/linux/bug.h
index fe5916550da8..f639bd0122f3 100644
--- a/include/linux/bug.h
+++ b/include/linux/bug.h
@@ -47,6 +47,11 @@ void generic_bug_clear_once(void);
 
 #else	/* !CONFIG_GENERIC_BUG */
 
+static inline void *find_bug(unsigned long bugaddr)
+{
+	return NULL;
+}
+
 static inline enum bug_trap_type report_bug(unsigned long bug_addr,
 					    struct pt_regs *regs)
 {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 5186ac5b2a29..3b84dd5523a9 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3544,6 +3544,8 @@ extern void inode_nohighmem(struct inode *inode);
 /* mm/fadvise.c */
 extern int vfs_fadvise(struct file *file, loff_t offset, loff_t len,
 		       int advice);
+extern int generic_fadvise(struct file *file, loff_t offset, loff_t len,
+			   int advice);
 
 #if defined(CONFIG_IO_URING)
 extern struct sock *io_uring_get_socket(struct file *file);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 7ac3755444d3..56a8ad506072 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -493,6 +493,15 @@ void mmc_command_done(struct mmc_host *host, struct mmc_request *mrq);
 
 void mmc_cqe_request_done(struct mmc_host *host, struct mmc_request *mrq);
 
+/*
+ * May be called from host driver's system/runtime suspend/resume callbacks,
+ * to know if SDIO IRQs has been claimed.
+ */
+static inline bool sdio_irq_claimed(struct mmc_host *host)
+{
+	return host->sdio_irqs > 0;
+}
+
 static inline void mmc_signal_sdio_irq(struct mmc_host *host)
 {
 	host->ops->enable_sdio_irq(host, 0);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 70e86148cb1e..862556761bbf 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -548,6 +548,7 @@
 #define PCI_DEVICE_ID_AMD_17H_DF_F3	0x1463
 #define PCI_DEVICE_ID_AMD_17H_M10H_DF_F3 0x15eb
 #define PCI_DEVICE_ID_AMD_17H_M30H_DF_F3 0x1493
+#define PCI_DEVICE_ID_AMD_17H_M70H_DF_F3 0x1443
 #define PCI_DEVICE_ID_AMD_CNB17H_F3	0x1703
 #define PCI_DEVICE_ID_AMD_LANCE		0x2000
 #define PCI_DEVICE_ID_AMD_LANCE_HOME	0x2001
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index dc905a4ff8d7..185d94829701 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -22,7 +22,7 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb)
 /* i_mutex must being held */
 static inline bool is_quota_modification(struct inode *inode, struct iattr *ia)
 {
-	return (ia->ia_valid & ATTR_SIZE && ia->ia_size != inode->i_size) ||
+	return (ia->ia_valid & ATTR_SIZE) ||
 		(ia->ia_valid & ATTR_UID && !uid_eq(ia->ia_uid, inode->i_uid)) ||
 		(ia->ia_valid & ATTR_GID && !gid_eq(ia->ia_gid, inode->i_gid));
 }
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index a6d9fce7f20e..4e84472c9be8 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -346,6 +346,7 @@ bool			xprt_prepare_transmit(struct rpc_task *task);
 void			xprt_request_enqueue_transmit(struct rpc_task *task);
 void			xprt_request_enqueue_receive(struct rpc_task *task);
 void			xprt_request_wait_receive(struct rpc_task *task);
+void			xprt_request_dequeue_xprt(struct rpc_task *task);
 bool			xprt_request_need_retransmit(struct rpc_task *task);
 void			xprt_transmit(struct rpc_task *task);
 void			xprt_end_transmit(struct rpc_task *task);
diff --git a/include/net/route.h b/include/net/route.h
index 55ff71ffb796..2b34a3a4386f 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -53,10 +53,11 @@ struct rtable {
 	unsigned int		rt_flags;
 	__u16			rt_type;
 	__u8			rt_is_input;
-	u8			rt_gw_family;
+	__u8			rt_uses_gateway;
 
 	int			rt_iif;
 
+	u8			rt_gw_family;
 	/* Info on neighbour */
 	union {
 		__be32		rt_gw4;
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 2504c269e658..1010bde1146b 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1514,7 +1514,8 @@ static int check_kprobe_address_safe(struct kprobe *p,
 	/* Ensure it is not in reserved area nor out of text */
 	if (!kernel_text_address((unsigned long) p->addr) ||
 	    within_kprobe_blacklist((unsigned long) p->addr) ||
-	    jump_label_text_reserved(p->addr, p->addr)) {
+	    jump_label_text_reserved(p->addr, p->addr) ||
+	    find_bug((unsigned long)p->addr)) {
 		ret = -EINVAL;
 		goto out;
 	}
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 1888f6a3b694..424abf802f02 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3274,7 +3274,7 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog,
 	/* move first record forward until length fits into the buffer */
 	seq = dumper->cur_seq;
 	idx = dumper->cur_idx;
-	while (l > size && seq < dumper->next_seq) {
+	while (l >= size && seq < dumper->next_seq) {
 		struct printk_log *msg = log_from_idx(idx);
 
 		l -= msg_print_text(msg, true, time, NULL, 0);
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 980ca3ca643f..affa7aae758f 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3123,13 +3123,13 @@ static int __init rcu_spawn_gp_kthread(void)
 	t = kthread_create(rcu_gp_kthread, NULL, "%s", rcu_state.name);
 	if (WARN_ONCE(IS_ERR(t), "%s: Could not start grace-period kthread, OOM is now expected behavior\n", __func__))
 		return 0;
-	rnp = rcu_get_root();
-	raw_spin_lock_irqsave_rcu_node(rnp, flags);
-	rcu_state.gp_kthread = t;
 	if (kthread_prio) {
 		sp.sched_priority = kthread_prio;
 		sched_setscheduler_nocheck(t, SCHED_FIFO, &sp);
 	}
+	rnp = rcu_get_root();
+	raw_spin_lock_irqsave_rcu_node(rnp, flags);
+	rcu_state.gp_kthread = t;
 	raw_spin_unlock_irqrestore_rcu_node(rnp, flags);
 	wake_up_process(t);
 	rcu_spawn_nocb_kthreads();
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 42bc2986520d..b78986ce1f6b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3051,8 +3051,36 @@ void scheduler_tick(void)
 
 struct tick_work {
 	int			cpu;
+	atomic_t		state;
 	struct delayed_work	work;
 };
+/* Values for ->state, see diagram below. */
+#define TICK_SCHED_REMOTE_OFFLINE	0
+#define TICK_SCHED_REMOTE_OFFLINING	1
+#define TICK_SCHED_REMOTE_RUNNING	2
+
+/*
+ * State diagram for ->state:
+ *
+ *
+ *          TICK_SCHED_REMOTE_OFFLINE
+ *                    |   ^
+ *                    |   |
+ *                    |   | sched_tick_remote()
+ *                    |   |
+ *                    |   |
+ *                    +--TICK_SCHED_REMOTE_OFFLINING
+ *                    |   ^
+ *                    |   |
+ * sched_tick_start() |   | sched_tick_stop()
+ *                    |   |
+ *                    V   |
+ *          TICK_SCHED_REMOTE_RUNNING
+ *
+ *
+ * Other transitions get WARN_ON_ONCE(), except that sched_tick_remote()
+ * and sched_tick_start() are happy to leave the state in RUNNING.
+ */
 
 static struct tick_work __percpu *tick_work_cpu;
 
@@ -3065,6 +3093,7 @@ static void sched_tick_remote(struct work_struct *work)
 	struct task_struct *curr;
 	struct rq_flags rf;
 	u64 delta;
+	int os;
 
 	/*
 	 * Handle the tick only if it appears the remote CPU is running in full
@@ -3078,7 +3107,7 @@ static void sched_tick_remote(struct work_struct *work)
 
 	rq_lock_irq(rq, &rf);
 	curr = rq->curr;
-	if (is_idle_task(curr))
+	if (is_idle_task(curr) || cpu_is_offline(cpu))
 		goto out_unlock;
 
 	update_rq_clock(rq);
@@ -3098,13 +3127,18 @@ static void sched_tick_remote(struct work_struct *work)
 	/*
 	 * Run the remote tick once per second (1Hz). This arbitrary
 	 * frequency is large enough to avoid overload but short enough
-	 * to keep scheduler internal stats reasonably up to date.
+	 * to keep scheduler internal stats reasonably up to date.  But
+	 * first update state to reflect hotplug activity if required.
 	 */
-	queue_delayed_work(system_unbound_wq, dwork, HZ);
+	os = atomic_fetch_add_unless(&twork->state, -1, TICK_SCHED_REMOTE_RUNNING);
+	WARN_ON_ONCE(os == TICK_SCHED_REMOTE_OFFLINE);
+	if (os == TICK_SCHED_REMOTE_RUNNING)
+		queue_delayed_work(system_unbound_wq, dwork, HZ);
 }
 
 static void sched_tick_start(int cpu)
 {
+	int os;
 	struct tick_work *twork;
 
 	if (housekeeping_cpu(cpu, HK_FLAG_TICK))
@@ -3113,15 +3147,20 @@ static void sched_tick_start(int cpu)
 	WARN_ON_ONCE(!tick_work_cpu);
 
 	twork = per_cpu_ptr(tick_work_cpu, cpu);
-	twork->cpu = cpu;
-	INIT_DELAYED_WORK(&twork->work, sched_tick_remote);
-	queue_delayed_work(system_unbound_wq, &twork->work, HZ);
+	os = atomic_xchg(&twork->state, TICK_SCHED_REMOTE_RUNNING);
+	WARN_ON_ONCE(os == TICK_SCHED_REMOTE_RUNNING);
+	if (os == TICK_SCHED_REMOTE_OFFLINE) {
+		twork->cpu = cpu;
+		INIT_DELAYED_WORK(&twork->work, sched_tick_remote);
+		queue_delayed_work(system_unbound_wq, &twork->work, HZ);
+	}
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
 static void sched_tick_stop(int cpu)
 {
 	struct tick_work *twork;
+	int os;
 
 	if (housekeeping_cpu(cpu, HK_FLAG_TICK))
 		return;
@@ -3129,7 +3168,10 @@ static void sched_tick_stop(int cpu)
 	WARN_ON_ONCE(!tick_work_cpu);
 
 	twork = per_cpu_ptr(tick_work_cpu, cpu);
-	cancel_delayed_work_sync(&twork->work);
+	/* There cannot be competing actions, but don't rely on stop-machine. */
+	os = atomic_xchg(&twork->state, TICK_SCHED_REMOTE_OFFLINING);
+	WARN_ON_ONCE(os != TICK_SCHED_REMOTE_RUNNING);
+	/* Don't cancel, as this would mess up the state machine. */
 }
 #endif /* CONFIG_HOTPLUG_CPU */
 
@@ -3137,7 +3179,6 @@ int __init sched_tick_offload_init(void)
 {
 	tick_work_cpu = alloc_percpu(struct tick_work);
 	BUG_ON(!tick_work_cpu);
-
 	return 0;
 }
 
@@ -6472,10 +6513,6 @@ static int cpu_cgroup_can_attach(struct cgroup_taskset *tset)
 #ifdef CONFIG_RT_GROUP_SCHED
 		if (!sched_rt_can_attach(css_tg(css), task))
 			return -EINVAL;
-#else
-		/* We don't support RT-tasks being in separate groups */
-		if (task->sched_class != &fair_sched_class)
-			return -EINVAL;
 #endif
 		/*
 		 * Serialize against wake_up_new_task() such that if its
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index ae3ec77bb92f..e139b54716b4 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -117,6 +117,7 @@ static void sugov_fast_switch(struct sugov_policy *sg_policy, u64 time,
 			      unsigned int next_freq)
 {
 	struct cpufreq_policy *policy = sg_policy->policy;
+	int cpu;
 
 	if (!sugov_update_next_freq(sg_policy, time, next_freq))
 		return;
@@ -126,7 +127,11 @@ static void sugov_fast_switch(struct sugov_policy *sg_policy, u64 time,
 		return;
 
 	policy->cur = next_freq;
-	trace_cpu_frequency(next_freq, smp_processor_id());
+
+	if (trace_cpu_frequency_enabled()) {
+		for_each_cpu(cpu, policy->cpus)
+			trace_cpu_frequency(next_freq, cpu);
+	}
 }
 
 static void sugov_deferred_update(struct sugov_policy *sg_policy, u64 time,
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 1c66480afda8..fcdafdcb129c 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -529,6 +529,7 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq);
 static struct rq *dl_task_offline_migration(struct rq *rq, struct task_struct *p)
 {
 	struct rq *later_rq = NULL;
+	struct dl_bw *dl_b;
 
 	later_rq = find_lock_later_rq(p, rq);
 	if (!later_rq) {
@@ -557,6 +558,38 @@ static struct rq *dl_task_offline_migration(struct rq *rq, struct task_struct *p
 		double_lock_balance(rq, later_rq);
 	}
 
+	if (p->dl.dl_non_contending || p->dl.dl_throttled) {
+		/*
+		 * Inactive timer is armed (or callback is running, but
+		 * waiting for us to release rq locks). In any case, when it
+		 * will fire (or continue), it will see running_bw of this
+		 * task migrated to later_rq (and correctly handle it).
+		 */
+		sub_running_bw(&p->dl, &rq->dl);
+		sub_rq_bw(&p->dl, &rq->dl);
+
+		add_rq_bw(&p->dl, &later_rq->dl);
+		add_running_bw(&p->dl, &later_rq->dl);
+	} else {
+		sub_rq_bw(&p->dl, &rq->dl);
+		add_rq_bw(&p->dl, &later_rq->dl);
+	}
+
+	/*
+	 * And we finally need to fixup root_domain(s) bandwidth accounting,
+	 * since p is still hanging out in the old (now moved to default) root
+	 * domain.
+	 */
+	dl_b = &rq->rd->dl_bw;
+	raw_spin_lock(&dl_b->lock);
+	__dl_sub(dl_b, p->dl.dl_bw, cpumask_weight(rq->rd->span));
+	raw_spin_unlock(&dl_b->lock);
+
+	dl_b = &later_rq->rd->dl_bw;
+	raw_spin_lock(&dl_b->lock);
+	__dl_add(dl_b, p->dl.dl_bw, cpumask_weight(later_rq->rd->span));
+	raw_spin_unlock(&dl_b->lock);
+
 	set_task_cpu(p, later_rq->cpu);
 	double_unlock_balance(later_rq, rq);
 
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index b07672e793a8..5a312c030b8d 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -9319,9 +9319,10 @@ static int load_balance(int this_cpu, struct rq *this_rq,
 out_balanced:
 	/*
 	 * We reach balance although we may have faced some affinity
-	 * constraints. Clear the imbalance flag if it was set.
+	 * constraints. Clear the imbalance flag only if other tasks got
+	 * a chance to move and fix the imbalance.
 	 */
-	if (sd_parent) {
+	if (sd_parent && !(env.flags & LBF_ALL_PINNED)) {
 		int *group_imbalance = &sd_parent->groups->sgc->imbalance;
 
 		if (*group_imbalance)
@@ -10568,18 +10569,18 @@ int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
 void online_fair_sched_group(struct task_group *tg)
 {
 	struct sched_entity *se;
+	struct rq_flags rf;
 	struct rq *rq;
 	int i;
 
 	for_each_possible_cpu(i) {
 		rq = cpu_rq(i);
 		se = tg->se[i];
-
-		raw_spin_lock_irq(&rq->lock);
+		rq_lock_irq(rq, &rf);
 		update_rq_clock(rq);
 		attach_entity_cfs_rq(se);
 		sync_throttle(tg, i);
-		raw_spin_unlock_irq(&rq->lock);
+		rq_unlock_irq(rq, &rf);
 	}
 }
 
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index 80940939b733..e4bc4aa739b8 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -241,13 +241,14 @@ static void do_idle(void)
 		check_pgt_cache();
 		rmb();
 
+		local_irq_disable();
+
 		if (cpu_is_offline(cpu)) {
-			tick_nohz_idle_stop_tick_protected();
+			tick_nohz_idle_stop_tick();
 			cpuhp_report_idle_dead();
 			arch_cpu_idle_dead();
 		}
 
-		local_irq_disable();
 		arch_cpu_idle_enter();
 
 		/*
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index 6e52b67b420e..517e3719027e 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -1198,7 +1198,7 @@ static ssize_t psi_write(struct file *file, const char __user *user_buf,
 	if (static_branch_likely(&psi_disabled))
 		return -EOPNOTSUPP;
 
-	buf_size = min(nbytes, (sizeof(buf) - 1));
+	buf_size = min(nbytes, sizeof(buf));
 	if (copy_from_user(buf, user_buf, buf_size))
 		return -EFAULT;
 
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 0519a8805aab..bfe0e0656f02 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -673,7 +673,7 @@ static int alarm_timer_create(struct k_itimer *new_timer)
 	enum  alarmtimer_type type;
 
 	if (!alarmtimer_get_rtcdev())
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	if (!capable(CAP_WAKE_ALARM))
 		return -EPERM;
@@ -791,7 +791,7 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags,
 	int ret = 0;
 
 	if (!alarmtimer_get_rtcdev())
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	if (flags & ~TIMER_ABSTIME)
 		return -EINVAL;
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 0a426f4e3125..5bbad147a90c 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -375,7 +375,8 @@ static int posix_cpu_timer_del(struct k_itimer *timer)
 	struct sighand_struct *sighand;
 	struct task_struct *p = timer->it.cpu.task;
 
-	WARN_ON_ONCE(p == NULL);
+	if (WARN_ON_ONCE(!p))
+		return -EINVAL;
 
 	/*
 	 * Protect against sighand release/switch in exit/exec and process/
@@ -580,7 +581,8 @@ static int posix_cpu_timer_set(struct k_itimer *timer, int timer_flags,
 	u64 old_expires, new_expires, old_incr, val;
 	int ret;
 
-	WARN_ON_ONCE(p == NULL);
+	if (WARN_ON_ONCE(!p))
+		return -EINVAL;
 
 	/*
 	 * Use the to_ktime conversion because that clamps the maximum
@@ -715,10 +717,11 @@ static int posix_cpu_timer_set(struct k_itimer *timer, int timer_flags,
 
 static void posix_cpu_timer_get(struct k_itimer *timer, struct itimerspec64 *itp)
 {
-	u64 now;
 	struct task_struct *p = timer->it.cpu.task;
+	u64 now;
 
-	WARN_ON_ONCE(p == NULL);
+	if (WARN_ON_ONCE(!p))
+		return;
 
 	/*
 	 * Easy part: convert the reload time.
@@ -1000,12 +1003,13 @@ static void check_process_timers(struct task_struct *tsk,
  */
 static void posix_cpu_timer_rearm(struct k_itimer *timer)
 {
+	struct task_struct *p = timer->it.cpu.task;
 	struct sighand_struct *sighand;
 	unsigned long flags;
-	struct task_struct *p = timer->it.cpu.task;
 	u64 now;
 
-	WARN_ON_ONCE(p == NULL);
+	if (WARN_ON_ONCE(!p))
+		return;
 
 	/*
 	 * Fetch the current sample and update the timer's expiry time.
@@ -1202,7 +1206,9 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
 	u64 now;
 	int ret;
 
-	WARN_ON_ONCE(clock_idx == CPUCLOCK_SCHED);
+	if (WARN_ON_ONCE(clock_idx >= CPUCLOCK_SCHED))
+		return;
+
 	ret = cpu_timer_sample_group(clock_idx, tsk, &now);
 
 	if (oldval && ret != -EINVAL) {
diff --git a/lib/lzo/lzo1x_compress.c b/lib/lzo/lzo1x_compress.c
index ba16c08e8cb9..717c940112f9 100644
--- a/lib/lzo/lzo1x_compress.c
+++ b/lib/lzo/lzo1x_compress.c
@@ -83,17 +83,19 @@ lzo1x_1_do_compress(const unsigned char *in, size_t in_len,
 					ALIGN((uintptr_t)ir, 4)) &&
 					(ir < limit) && (*ir == 0))
 				ir++;
-			for (; (ir + 4) <= limit; ir += 4) {
-				dv = *((u32 *)ir);
-				if (dv) {
+			if (IS_ALIGNED((uintptr_t)ir, 4)) {
+				for (; (ir + 4) <= limit; ir += 4) {
+					dv = *((u32 *)ir);
+					if (dv) {
 #  if defined(__LITTLE_ENDIAN)
-					ir += __builtin_ctz(dv) >> 3;
+						ir += __builtin_ctz(dv) >> 3;
 #  elif defined(__BIG_ENDIAN)
-					ir += __builtin_clz(dv) >> 3;
+						ir += __builtin_clz(dv) >> 3;
 #  else
 #    error "missing endian definition"
 #  endif
-					break;
+						break;
+					}
 				}
 			}
 #endif
diff --git a/mm/compaction.c b/mm/compaction.c
index 952dc2fb24e5..1e994920e6ff 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -2078,6 +2078,17 @@ compact_zone(struct compact_control *cc, struct capture_control *capc)
 	const bool sync = cc->mode != MIGRATE_ASYNC;
 	bool update_cached;
 
+	/*
+	 * These counters track activities during zone compaction.  Initialize
+	 * them before compacting a new zone.
+	 */
+	cc->total_migrate_scanned = 0;
+	cc->total_free_scanned = 0;
+	cc->nr_migratepages = 0;
+	cc->nr_freepages = 0;
+	INIT_LIST_HEAD(&cc->freepages);
+	INIT_LIST_HEAD(&cc->migratepages);
+
 	cc->migratetype = gfpflags_to_migratetype(cc->gfp_mask);
 	ret = compaction_suitable(cc->zone, cc->order, cc->alloc_flags,
 							cc->classzone_idx);
@@ -2281,10 +2292,6 @@ static enum compact_result compact_zone_order(struct zone *zone, int order,
 {
 	enum compact_result ret;
 	struct compact_control cc = {
-		.nr_freepages = 0,
-		.nr_migratepages = 0,
-		.total_migrate_scanned = 0,
-		.total_free_scanned = 0,
 		.order = order,
 		.search_order = order,
 		.gfp_mask = gfp_mask,
@@ -2305,8 +2312,6 @@ static enum compact_result compact_zone_order(struct zone *zone, int order,
 
 	if (capture)
 		current->capture_control = &capc;
-	INIT_LIST_HEAD(&cc.freepages);
-	INIT_LIST_HEAD(&cc.migratepages);
 
 	ret = compact_zone(&cc, &capc);
 
@@ -2408,8 +2413,6 @@ static void compact_node(int nid)
 	struct zone *zone;
 	struct compact_control cc = {
 		.order = -1,
-		.total_migrate_scanned = 0,
-		.total_free_scanned = 0,
 		.mode = MIGRATE_SYNC,
 		.ignore_skip_hint = true,
 		.whole_zone = true,
@@ -2423,11 +2426,7 @@ static void compact_node(int nid)
 		if (!populated_zone(zone))
 			continue;
 
-		cc.nr_freepages = 0;
-		cc.nr_migratepages = 0;
 		cc.zone = zone;
-		INIT_LIST_HEAD(&cc.freepages);
-		INIT_LIST_HEAD(&cc.migratepages);
 
 		compact_zone(&cc, NULL);
 
@@ -2529,8 +2528,6 @@ static void kcompactd_do_work(pg_data_t *pgdat)
 	struct compact_control cc = {
 		.order = pgdat->kcompactd_max_order,
 		.search_order = pgdat->kcompactd_max_order,
-		.total_migrate_scanned = 0,
-		.total_free_scanned = 0,
 		.classzone_idx = pgdat->kcompactd_classzone_idx,
 		.mode = MIGRATE_SYNC_LIGHT,
 		.ignore_skip_hint = false,
@@ -2554,16 +2551,10 @@ static void kcompactd_do_work(pg_data_t *pgdat)
 							COMPACT_CONTINUE)
 			continue;
 
-		cc.nr_freepages = 0;
-		cc.nr_migratepages = 0;
-		cc.total_migrate_scanned = 0;
-		cc.total_free_scanned = 0;
-		cc.zone = zone;
-		INIT_LIST_HEAD(&cc.freepages);
-		INIT_LIST_HEAD(&cc.migratepages);
-
 		if (kthread_should_stop())
 			return;
+
+		cc.zone = zone;
 		status = compact_zone(&cc, NULL);
 
 		if (status == COMPACT_SUCCESS) {
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 467bcd032037..4f17c83db575 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -27,8 +27,7 @@
  * deactivate the pages and clear PG_Referenced.
  */
 
-static int generic_fadvise(struct file *file, loff_t offset, loff_t len,
-			   int advice)
+int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
 {
 	struct inode *inode;
 	struct address_space *mapping;
@@ -178,6 +177,7 @@ static int generic_fadvise(struct file *file, loff_t offset, loff_t len,
 	}
 	return 0;
 }
+EXPORT_SYMBOL(generic_fadvise);
 
 int vfs_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
 {
diff --git a/mm/madvise.c b/mm/madvise.c
index 628022e674a7..ae56d0ef337d 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -14,6 +14,7 @@
 #include <linux/userfaultfd_k.h>
 #include <linux/hugetlb.h>
 #include <linux/falloc.h>
+#include <linux/fadvise.h>
 #include <linux/sched.h>
 #include <linux/ksm.h>
 #include <linux/fs.h>
@@ -275,6 +276,7 @@ static long madvise_willneed(struct vm_area_struct *vma,
 			     unsigned long start, unsigned long end)
 {
 	struct file *file = vma->vm_file;
+	loff_t offset;
 
 	*prev = vma;
 #ifdef CONFIG_SWAP
@@ -298,12 +300,20 @@ static long madvise_willneed(struct vm_area_struct *vma,
 		return 0;
 	}
 
-	start = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
-	if (end > vma->vm_end)
-		end = vma->vm_end;
-	end = ((end - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
-
-	force_page_cache_readahead(file->f_mapping, file, start, end - start);
+	/*
+	 * Filesystem's fadvise may need to take various locks.  We need to
+	 * explicitly grab a reference because the vma (and hence the
+	 * vma's reference to the file) can go away as soon as we drop
+	 * mmap_sem.
+	 */
+	*prev = NULL;	/* tell sys_madvise we drop mmap_sem */
+	get_file(file);
+	up_read(&current->mm->mmap_sem);
+	offset = (loff_t)(start - vma->vm_start)
+			+ ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
+	vfs_fadvise(file, offset, end - start, POSIX_FADV_WILLNEED);
+	fput(file);
+	down_read(&current->mm->mmap_sem);
 	return 0;
 }
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 30ebecf67527..3ef243948993 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2719,6 +2719,16 @@ int __memcg_kmem_charge_memcg(struct page *page, gfp_t gfp, int order,
 
 	if (!cgroup_subsys_on_dfl(memory_cgrp_subsys) &&
 	    !page_counter_try_charge(&memcg->kmem, nr_pages, &counter)) {
+
+		/*
+		 * Enforce __GFP_NOFAIL allocation because callers are not
+		 * prepared to see failures and likely do not have any failure
+		 * handling code.
+		 */
+		if (gfp & __GFP_NOFAIL) {
+			page_counter_charge(&memcg->kmem, nr_pages);
+			return 0;
+		}
 		cancel_charge(memcg, nr_pages);
 		return -ENOMEM;
 	}
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index f719b64741d6..f649d49eb359 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -1060,9 +1060,10 @@ bool out_of_memory(struct oom_control *oc)
 	 * The OOM killer does not compensate for IO-less reclaim.
 	 * pagefault_out_of_memory lost its gfp context so we have to
 	 * make sure exclude 0 mask - all other users should have at least
-	 * ___GFP_DIRECT_RECLAIM to get here.
+	 * ___GFP_DIRECT_RECLAIM to get here. But mem_cgroup_oom() has to
+	 * invoke the OOM killer even if it is a GFP_NOFS allocation.
 	 */
-	if (oc->gfp_mask && !(oc->gfp_mask & __GFP_FS))
+	if (oc->gfp_mask && !(oc->gfp_mask & __GFP_FS) && !is_memcg_oom(oc))
 		return true;
 
 	/*
diff --git a/mm/z3fold.c b/mm/z3fold.c
index 185c07eac0da..8f87c05a27e1 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -297,14 +297,11 @@ static void z3fold_unregister_migration(struct z3fold_pool *pool)
  }
 
 /* Initializes the z3fold header of a newly allocated z3fold page */
-static struct z3fold_header *init_z3fold_page(struct page *page,
+static struct z3fold_header *init_z3fold_page(struct page *page, bool headless,
 					struct z3fold_pool *pool, gfp_t gfp)
 {
 	struct z3fold_header *zhdr = page_address(page);
-	struct z3fold_buddy_slots *slots = alloc_slots(pool, gfp);
-
-	if (!slots)
-		return NULL;
+	struct z3fold_buddy_slots *slots;
 
 	INIT_LIST_HEAD(&page->lru);
 	clear_bit(PAGE_HEADLESS, &page->private);
@@ -312,6 +309,12 @@ static struct z3fold_header *init_z3fold_page(struct page *page,
 	clear_bit(NEEDS_COMPACTING, &page->private);
 	clear_bit(PAGE_STALE, &page->private);
 	clear_bit(PAGE_CLAIMED, &page->private);
+	if (headless)
+		return zhdr;
+
+	slots = alloc_slots(pool, gfp);
+	if (!slots)
+		return NULL;
 
 	spin_lock_init(&zhdr->page_lock);
 	kref_init(&zhdr->refcount);
@@ -368,9 +371,10 @@ static inline int __idx(struct z3fold_header *zhdr, enum buddy bud)
  * Encodes the handle of a particular buddy within a z3fold page
  * Pool lock should be held as this function accesses first_num
  */
-static unsigned long encode_handle(struct z3fold_header *zhdr, enum buddy bud)
+static unsigned long __encode_handle(struct z3fold_header *zhdr,
+				struct z3fold_buddy_slots *slots,
+				enum buddy bud)
 {
-	struct z3fold_buddy_slots *slots;
 	unsigned long h = (unsigned long)zhdr;
 	int idx = 0;
 
@@ -387,11 +391,15 @@ static unsigned long encode_handle(struct z3fold_header *zhdr, enum buddy bud)
 	if (bud == LAST)
 		h |= (zhdr->last_chunks << BUDDY_SHIFT);
 
-	slots = zhdr->slots;
 	slots->slot[idx] = h;
 	return (unsigned long)&slots->slot[idx];
 }
 
+static unsigned long encode_handle(struct z3fold_header *zhdr, enum buddy bud)
+{
+	return __encode_handle(zhdr, zhdr->slots, bud);
+}
+
 /* Returns the z3fold page where a given handle is stored */
 static inline struct z3fold_header *handle_to_z3fold_header(unsigned long h)
 {
@@ -626,6 +634,7 @@ static void do_compact_page(struct z3fold_header *zhdr, bool locked)
 	}
 
 	if (unlikely(PageIsolated(page) ||
+		     test_bit(PAGE_CLAIMED, &page->private) ||
 		     test_bit(PAGE_STALE, &page->private))) {
 		z3fold_page_unlock(zhdr);
 		return;
@@ -926,7 +935,7 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp,
 	if (!page)
 		return -ENOMEM;
 
-	zhdr = init_z3fold_page(page, pool, gfp);
+	zhdr = init_z3fold_page(page, bud == HEADLESS, pool, gfp);
 	if (!zhdr) {
 		__free_page(page);
 		return -ENOMEM;
@@ -1102,6 +1111,7 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, unsigned int retries)
 	struct z3fold_header *zhdr = NULL;
 	struct page *page = NULL;
 	struct list_head *pos;
+	struct z3fold_buddy_slots slots;
 	unsigned long first_handle = 0, middle_handle = 0, last_handle = 0;
 
 	spin_lock(&pool->lock);
@@ -1120,16 +1130,22 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, unsigned int retries)
 			/* this bit could have been set by free, in which case
 			 * we pass over to the next page in the pool.
 			 */
-			if (test_and_set_bit(PAGE_CLAIMED, &page->private))
+			if (test_and_set_bit(PAGE_CLAIMED, &page->private)) {
+				page = NULL;
 				continue;
+			}
 
-			if (unlikely(PageIsolated(page)))
+			if (unlikely(PageIsolated(page))) {
+				clear_bit(PAGE_CLAIMED, &page->private);
+				page = NULL;
 				continue;
+			}
+			zhdr = page_address(page);
 			if (test_bit(PAGE_HEADLESS, &page->private))
 				break;
 
-			zhdr = page_address(page);
 			if (!z3fold_page_trylock(zhdr)) {
+				clear_bit(PAGE_CLAIMED, &page->private);
 				zhdr = NULL;
 				continue; /* can't evict at this point */
 			}
@@ -1147,26 +1163,30 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, unsigned int retries)
 
 		if (!test_bit(PAGE_HEADLESS, &page->private)) {
 			/*
-			 * We need encode the handles before unlocking, since
-			 * we can race with free that will set
-			 * (first|last)_chunks to 0
+			 * We need encode the handles before unlocking, and
+			 * use our local slots structure because z3fold_free
+			 * can zero out zhdr->slots and we can't do much
+			 * about that
 			 */
 			first_handle = 0;
 			last_handle = 0;
 			middle_handle = 0;
 			if (zhdr->first_chunks)
-				first_handle = encode_handle(zhdr, FIRST);
+				first_handle = __encode_handle(zhdr, &slots,
+								FIRST);
 			if (zhdr->middle_chunks)
-				middle_handle = encode_handle(zhdr, MIDDLE);
+				middle_handle = __encode_handle(zhdr, &slots,
+								MIDDLE);
 			if (zhdr->last_chunks)
-				last_handle = encode_handle(zhdr, LAST);
+				last_handle = __encode_handle(zhdr, &slots,
+								LAST);
 			/*
 			 * it's safe to unlock here because we hold a
 			 * reference to this page
 			 */
 			z3fold_page_unlock(zhdr);
 		} else {
-			first_handle = encode_handle(zhdr, HEADLESS);
+			first_handle = __encode_handle(zhdr, &slots, HEADLESS);
 			last_handle = middle_handle = 0;
 		}
 
@@ -1196,9 +1216,9 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, unsigned int retries)
 			spin_lock(&pool->lock);
 			list_add(&page->lru, &pool->lru);
 			spin_unlock(&pool->lock);
+			clear_bit(PAGE_CLAIMED, &page->private);
 		} else {
 			z3fold_page_lock(zhdr);
-			clear_bit(PAGE_CLAIMED, &page->private);
 			if (kref_put(&zhdr->refcount,
 					release_z3fold_page_locked)) {
 				atomic64_dec(&pool->pages_nr);
@@ -1213,6 +1233,7 @@ static int z3fold_reclaim_page(struct z3fold_pool *pool, unsigned int retries)
 			list_add(&page->lru, &pool->lru);
 			spin_unlock(&pool->lock);
 			z3fold_page_unlock(zhdr);
+			clear_bit(PAGE_CLAIMED, &page->private);
 		}
 
 		/* We started off locked to we need to lock the pool back */
@@ -1317,7 +1338,8 @@ static bool z3fold_page_isolate(struct page *page, isolate_mode_t mode)
 	VM_BUG_ON_PAGE(!PageMovable(page), page);
 	VM_BUG_ON_PAGE(PageIsolated(page), page);
 
-	if (test_bit(PAGE_HEADLESS, &page->private))
+	if (test_bit(PAGE_HEADLESS, &page->private) ||
+	    test_bit(PAGE_CLAIMED, &page->private))
 		return false;
 
 	zhdr = page_address(page);
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index a8cb6b2e20c1..5a203acdcae5 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1023,6 +1023,11 @@ static int atalk_create(struct net *net, struct socket *sock, int protocol,
 	 */
 	if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM)
 		goto out;
+
+	rc = -EPERM;
+	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+		goto out;
+
 	rc = -ENOMEM;
 	sk = sk_alloc(net, PF_APPLETALK, GFP_KERNEL, &ddp_proto, kern);
 	if (!sk)
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index ca5207767dc2..bb222b882b67 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -855,6 +855,8 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol,
 		break;
 
 	case SOCK_RAW:
+		if (!capable(CAP_NET_RAW))
+			return -EPERM;
 		break;
 	default:
 		return -ESOCKTNOSUPPORT;
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index dacbd58e1799..0bce822b95d0 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -1008,6 +1008,9 @@ static int ieee802154_create(struct net *net, struct socket *sock,
 
 	switch (sock->type) {
 	case SOCK_RAW:
+		rc = -EPERM;
+		if (!capable(CAP_NET_RAW))
+			goto out;
 		proto = &ieee802154_raw_prot;
 		ops = &ieee802154_raw_ops;
 		break;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 7fd6db3fe366..e4fa9e5833e4 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -560,7 +560,7 @@ struct dst_entry *inet_csk_route_req(const struct sock *sk,
 	rt = ip_route_output_flow(net, fl4, sk);
 	if (IS_ERR(rt))
 		goto no_route;
-	if (opt && opt->opt.is_strictroute && rt->rt_gw_family)
+	if (opt && opt->opt.is_strictroute && rt->rt_uses_gateway)
 		goto route_err;
 	rcu_read_unlock();
 	return &rt->dst;
@@ -598,7 +598,7 @@ struct dst_entry *inet_csk_route_child_sock(const struct sock *sk,
 	rt = ip_route_output_flow(net, fl4, sk);
 	if (IS_ERR(rt))
 		goto no_route;
-	if (opt && opt->opt.is_strictroute && rt->rt_gw_family)
+	if (opt && opt->opt.is_strictroute && rt->rt_uses_gateway)
 		goto route_err;
 	return &rt->dst;
 
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index 06f6f280b9ff..00ec819f949b 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -123,7 +123,7 @@ int ip_forward(struct sk_buff *skb)
 
 	rt = skb_rtable(skb);
 
-	if (opt->is_strictroute && rt->rt_gw_family)
+	if (opt->is_strictroute && rt->rt_uses_gateway)
 		goto sr_failed;
 
 	IPCB(skb)->flags |= IPSKB_FORWARDED;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 8c2ec35b6512..b6f3a9f0b8be 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -482,7 +482,7 @@ int __ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
 	skb_dst_set_noref(skb, &rt->dst);
 
 packet_routed:
-	if (inet_opt && inet_opt->opt.is_strictroute && rt->rt_gw_family)
+	if (inet_opt && inet_opt->opt.is_strictroute && rt->rt_uses_gateway)
 		goto no_route;
 
 	/* OK, we know where to send it, allocate and build IP header. */
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 8ea0735a6754..f6b7b11835ee 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -634,6 +634,7 @@ static void fill_route_from_fnhe(struct rtable *rt, struct fib_nh_exception *fnh
 
 	if (fnhe->fnhe_gw) {
 		rt->rt_flags |= RTCF_REDIRECTED;
+		rt->rt_uses_gateway = 1;
 		rt->rt_gw_family = AF_INET;
 		rt->rt_gw4 = fnhe->fnhe_gw;
 	}
@@ -1312,7 +1313,7 @@ static unsigned int ipv4_mtu(const struct dst_entry *dst)
 	mtu = READ_ONCE(dst->dev->mtu);
 
 	if (unlikely(ip_mtu_locked(dst))) {
-		if (rt->rt_gw_family && mtu > 576)
+		if (rt->rt_uses_gateway && mtu > 576)
 			mtu = 576;
 	}
 
@@ -1569,6 +1570,7 @@ static void rt_set_nexthop(struct rtable *rt, __be32 daddr,
 		struct fib_nh_common *nhc = FIB_RES_NHC(*res);
 
 		if (nhc->nhc_gw_family && nhc->nhc_scope == RT_SCOPE_LINK) {
+			rt->rt_uses_gateway = 1;
 			rt->rt_gw_family = nhc->nhc_gw_family;
 			/* only INET and INET6 are supported */
 			if (likely(nhc->nhc_gw_family == AF_INET))
@@ -1634,6 +1636,7 @@ struct rtable *rt_dst_alloc(struct net_device *dev,
 		rt->rt_iif = 0;
 		rt->rt_pmtu = 0;
 		rt->rt_mtu_locked = 0;
+		rt->rt_uses_gateway = 0;
 		rt->rt_gw_family = 0;
 		rt->rt_gw4 = 0;
 		INIT_LIST_HEAD(&rt->rt_uncached);
@@ -2664,6 +2667,7 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
 		rt->rt_genid = rt_genid_ipv4(net);
 		rt->rt_flags = ort->rt_flags;
 		rt->rt_type = ort->rt_type;
+		rt->rt_uses_gateway = ort->rt_uses_gateway;
 		rt->rt_gw_family = ort->rt_gw_family;
 		if (rt->rt_gw_family == AF_INET)
 			rt->rt_gw4 = ort->rt_gw4;
@@ -2747,21 +2751,23 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
 		if (nla_put_in_addr(skb, RTA_PREFSRC, fl4->saddr))
 			goto nla_put_failure;
 	}
-	if (rt->rt_gw_family == AF_INET &&
-	    nla_put_in_addr(skb, RTA_GATEWAY, rt->rt_gw4)) {
-		goto nla_put_failure;
-	} else if (rt->rt_gw_family == AF_INET6) {
-		int alen = sizeof(struct in6_addr);
-		struct nlattr *nla;
-		struct rtvia *via;
-
-		nla = nla_reserve(skb, RTA_VIA, alen + 2);
-		if (!nla)
+	if (rt->rt_uses_gateway) {
+		if (rt->rt_gw_family == AF_INET &&
+		    nla_put_in_addr(skb, RTA_GATEWAY, rt->rt_gw4)) {
 			goto nla_put_failure;
+		} else if (rt->rt_gw_family == AF_INET6) {
+			int alen = sizeof(struct in6_addr);
+			struct nlattr *nla;
+			struct rtvia *via;
 
-		via = nla_data(nla);
-		via->rtvia_family = AF_INET6;
-		memcpy(via->rtvia_addr, &rt->rt_gw6, alen);
+			nla = nla_reserve(skb, RTA_VIA, alen + 2);
+			if (!nla)
+				goto nla_put_failure;
+
+			via = nla_data(nla);
+			via->rtvia_family = AF_INET6;
+			memcpy(via->rtvia_addr, &rt->rt_gw6, alen);
+		}
 	}
 
 	expires = rt->dst.expires;
diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c
index 56be7d27f208..00ade9c185ea 100644
--- a/net/ipv4/tcp_bbr.c
+++ b/net/ipv4/tcp_bbr.c
@@ -386,7 +386,7 @@ static u32 bbr_bdp(struct sock *sk, u32 bw, int gain)
  * which allows 2 outstanding 2-packet sequences, to try to keep pipe
  * full even with ACK-every-other-packet delayed ACKs.
  */
-static u32 bbr_quantization_budget(struct sock *sk, u32 cwnd, int gain)
+static u32 bbr_quantization_budget(struct sock *sk, u32 cwnd)
 {
 	struct bbr *bbr = inet_csk_ca(sk);
 
@@ -397,7 +397,7 @@ static u32 bbr_quantization_budget(struct sock *sk, u32 cwnd, int gain)
 	cwnd = (cwnd + 1) & ~1U;
 
 	/* Ensure gain cycling gets inflight above BDP even for small BDPs. */
-	if (bbr->mode == BBR_PROBE_BW && gain > BBR_UNIT)
+	if (bbr->mode == BBR_PROBE_BW && bbr->cycle_idx == 0)
 		cwnd += 2;
 
 	return cwnd;
@@ -409,7 +409,7 @@ static u32 bbr_inflight(struct sock *sk, u32 bw, int gain)
 	u32 inflight;
 
 	inflight = bbr_bdp(sk, bw, gain);
-	inflight = bbr_quantization_budget(sk, inflight, gain);
+	inflight = bbr_quantization_budget(sk, inflight);
 
 	return inflight;
 }
@@ -529,7 +529,7 @@ static void bbr_set_cwnd(struct sock *sk, const struct rate_sample *rs,
 	 * due to aggregation (of data and/or ACKs) visible in the ACK stream.
 	 */
 	target_cwnd += bbr_ack_aggregation_cwnd(sk);
-	target_cwnd = bbr_quantization_budget(sk, target_cwnd, gain);
+	target_cwnd = bbr_quantization_budget(sk, target_cwnd);
 
 	/* If we're below target cwnd, slow start cwnd toward target cwnd. */
 	if (bbr_full_bw_reached(sk))  /* only cut cwnd if we filled the pipe */
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index c801cd37cc2a..3e8b38c73d8c 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -210,7 +210,7 @@ static int tcp_write_timeout(struct sock *sk)
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct net *net = sock_net(sk);
-	bool expired, do_reset;
+	bool expired = false, do_reset;
 	int retry_until;
 
 	if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) {
@@ -242,9 +242,10 @@ static int tcp_write_timeout(struct sock *sk)
 			if (tcp_out_of_resources(sk, do_reset))
 				return 1;
 		}
+	}
+	if (!expired)
 		expired = retransmits_timed_out(sk, retry_until,
 						icsk->icsk_user_timeout);
-	}
 	tcp_fastopen_active_detect_blackhole(sk, expired);
 
 	if (BPF_SOCK_OPS_TEST_FLAG(tp, BPF_SOCK_OPS_RTO_CB_FLAG))
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index cdef8f9a3b01..35b84b52b702 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -85,6 +85,7 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
 	xdst->u.rt.rt_flags = rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST |
 					      RTCF_LOCAL);
 	xdst->u.rt.rt_type = rt->rt_type;
+	xdst->u.rt.rt_uses_gateway = rt->rt_uses_gateway;
 	xdst->u.rt.rt_gw_family = rt->rt_gw_family;
 	if (rt->rt_gw_family == AF_INET)
 		xdst->u.rt.rt_gw4 = rt->rt_gw4;
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index bcfae13409b5..67b60b1da922 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -285,7 +285,8 @@ static bool fib6_rule_suppress(struct fib_rule *rule, struct fib_lookup_arg *arg
 	return false;
 
 suppress_route:
-	ip6_rt_put(rt);
+	if (!(arg->flags & FIB_LOOKUP_NOREF))
+		ip6_rt_put(rt);
 	return true;
 }
 
diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
index 9b8742947aff..8dfea26536c9 100644
--- a/net/nfc/llcp_sock.c
+++ b/net/nfc/llcp_sock.c
@@ -1004,10 +1004,13 @@ static int llcp_sock_create(struct net *net, struct socket *sock,
 	    sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	if (sock->type == SOCK_RAW)
+	if (sock->type == SOCK_RAW) {
+		if (!capable(CAP_NET_RAW))
+			return -EPERM;
 		sock->ops = &llcp_rawsock_ops;
-	else
+	} else {
 		sock->ops = &llcp_sock_ops;
+	}
 
 	sk = nfc_llcp_sock_alloc(sock, sock->type, GFP_ATOMIC, kern);
 	if (sk == NULL)
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 6747bc57b6fa..c29e9f766bd3 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -2245,7 +2245,7 @@ static const struct nla_policy vport_policy[OVS_VPORT_ATTR_MAX + 1] = {
 	[OVS_VPORT_ATTR_STATS] = { .len = sizeof(struct ovs_vport_stats) },
 	[OVS_VPORT_ATTR_PORT_NO] = { .type = NLA_U32 },
 	[OVS_VPORT_ATTR_TYPE] = { .type = NLA_U32 },
-	[OVS_VPORT_ATTR_UPCALL_PID] = { .type = NLA_U32 },
+	[OVS_VPORT_ATTR_UPCALL_PID] = { .type = NLA_UNSPEC },
 	[OVS_VPORT_ATTR_OPTIONS] = { .type = NLA_NESTED },
 	[OVS_VPORT_ATTR_IFINDEX] = { .type = NLA_U32 },
 	[OVS_VPORT_ATTR_NETNSID] = { .type = NLA_S32 },
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 6c8b0f6d28f9..88f98f27ad88 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -150,6 +150,7 @@ static void __qrtr_node_release(struct kref *kref)
 	list_del(&node->item);
 	mutex_unlock(&qrtr_node_lock);
 
+	cancel_work_sync(&node->work);
 	skb_queue_purge(&node->rx_queue);
 	kfree(node);
 }
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 4e5d2e9ace5d..061e0d047f4f 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -828,6 +828,15 @@ static struct tc_cookie *nla_memdup_cookie(struct nlattr **tb)
 	return c;
 }
 
+static const struct nla_policy tcf_action_policy[TCA_ACT_MAX + 1] = {
+	[TCA_ACT_KIND]		= { .type = NLA_NUL_STRING,
+				    .len = IFNAMSIZ - 1 },
+	[TCA_ACT_INDEX]		= { .type = NLA_U32 },
+	[TCA_ACT_COOKIE]	= { .type = NLA_BINARY,
+				    .len = TC_COOKIE_MAX_SIZE },
+	[TCA_ACT_OPTIONS]	= { .type = NLA_NESTED },
+};
+
 struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
 				    struct nlattr *nla, struct nlattr *est,
 				    char *name, int ovr, int bind,
@@ -843,8 +852,8 @@ struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
 	int err;
 
 	if (name == NULL) {
-		err = nla_parse_nested_deprecated(tb, TCA_ACT_MAX, nla, NULL,
-						  extack);
+		err = nla_parse_nested_deprecated(tb, TCA_ACT_MAX, nla,
+						  tcf_action_policy, extack);
 		if (err < 0)
 			goto err_out;
 		err = -EINVAL;
@@ -853,18 +862,9 @@ struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
 			NL_SET_ERR_MSG(extack, "TC action kind must be specified");
 			goto err_out;
 		}
-		if (nla_strlcpy(act_name, kind, IFNAMSIZ) >= IFNAMSIZ) {
-			NL_SET_ERR_MSG(extack, "TC action name too long");
-			goto err_out;
-		}
-		if (tb[TCA_ACT_COOKIE]) {
-			int cklen = nla_len(tb[TCA_ACT_COOKIE]);
-
-			if (cklen > TC_COOKIE_MAX_SIZE) {
-				NL_SET_ERR_MSG(extack, "TC cookie size above the maximum");
-				goto err_out;
-			}
+		nla_strlcpy(act_name, kind, IFNAMSIZ);
 
+		if (tb[TCA_ACT_COOKIE]) {
 			cookie = nla_memdup_cookie(tb);
 			if (!cookie) {
 				NL_SET_ERR_MSG(extack, "No memory to generate TC cookie");
@@ -1095,7 +1095,8 @@ static struct tc_action *tcf_action_get_1(struct net *net, struct nlattr *nla,
 	int index;
 	int err;
 
-	err = nla_parse_nested_deprecated(tb, TCA_ACT_MAX, nla, NULL, extack);
+	err = nla_parse_nested_deprecated(tb, TCA_ACT_MAX, nla,
+					  tcf_action_policy, extack);
 	if (err < 0)
 		goto err_out;
 
@@ -1149,7 +1150,8 @@ static int tca_action_flush(struct net *net, struct nlattr *nla,
 
 	b = skb_tail_pointer(skb);
 
-	err = nla_parse_nested_deprecated(tb, TCA_ACT_MAX, nla, NULL, extack);
+	err = nla_parse_nested_deprecated(tb, TCA_ACT_MAX, nla,
+					  tcf_action_policy, extack);
 	if (err < 0)
 		goto err_out;
 
@@ -1437,7 +1439,7 @@ static struct nlattr *find_dump_kind(struct nlattr **nla)
 
 	if (tb[1] == NULL)
 		return NULL;
-	if (nla_parse_nested_deprecated(tb2, TCA_ACT_MAX, tb[1], NULL, NULL) < 0)
+	if (nla_parse_nested_deprecated(tb2, TCA_ACT_MAX, tb[1], tcf_action_policy, NULL) < 0)
 		return NULL;
 	kind = tb2[TCA_ACT_KIND];
 
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index 10229124a992..86344fd2ff1f 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -146,6 +146,7 @@ static bool tcf_sample_dev_ok_push(struct net_device *dev)
 	case ARPHRD_TUNNEL6:
 	case ARPHRD_SIT:
 	case ARPHRD_IPGRE:
+	case ARPHRD_IP6GRE:
 	case ARPHRD_VOID:
 	case ARPHRD_NONE:
 		return false;
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index b67c456f26aa..526cb48e7b8a 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -3031,8 +3031,10 @@ static int tc_dump_chain(struct sk_buff *skb, struct netlink_callback *cb)
 void tcf_exts_destroy(struct tcf_exts *exts)
 {
 #ifdef CONFIG_NET_CLS_ACT
-	tcf_action_destroy(exts->actions, TCA_ACT_UNBIND);
-	kfree(exts->actions);
+	if (exts->actions) {
+		tcf_action_destroy(exts->actions, TCA_ACT_UNBIND);
+		kfree(exts->actions);
+	}
 	exts->nr_actions = 0;
 #endif
 }
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 1047825d9f48..81d58b280612 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1390,7 +1390,8 @@ check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w)
 }
 
 const struct nla_policy rtm_tca_policy[TCA_MAX + 1] = {
-	[TCA_KIND]		= { .type = NLA_STRING },
+	[TCA_KIND]		= { .type = NLA_NUL_STRING,
+				    .len = IFNAMSIZ - 1 },
 	[TCA_RATE]		= { .type = NLA_BINARY,
 				    .len = sizeof(struct tc_estimator) },
 	[TCA_STAB]		= { .type = NLA_NESTED },
diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c
index 810645b5c086..4a403d35438f 100644
--- a/net/sched/sch_cbs.c
+++ b/net/sched/sch_cbs.c
@@ -392,7 +392,6 @@ static int cbs_init(struct Qdisc *sch, struct nlattr *opt,
 {
 	struct cbs_sched_data *q = qdisc_priv(sch);
 	struct net_device *dev = qdisc_dev(sch);
-	int err;
 
 	if (!opt) {
 		NL_SET_ERR_MSG(extack, "Missing CBS qdisc options  which are mandatory");
@@ -404,6 +403,10 @@ static int cbs_init(struct Qdisc *sch, struct nlattr *opt,
 	if (!q->qdisc)
 		return -ENOMEM;
 
+	spin_lock(&cbs_list_lock);
+	list_add(&q->cbs_list, &cbs_list);
+	spin_unlock(&cbs_list_lock);
+
 	qdisc_hash_add(q->qdisc, false);
 
 	q->queue = sch->dev_queue - netdev_get_tx_queue(dev, 0);
@@ -413,17 +416,7 @@ static int cbs_init(struct Qdisc *sch, struct nlattr *opt,
 
 	qdisc_watchdog_init(&q->watchdog, sch);
 
-	err = cbs_change(sch, opt, extack);
-	if (err)
-		return err;
-
-	if (!q->offload) {
-		spin_lock(&cbs_list_lock);
-		list_add(&q->cbs_list, &cbs_list);
-		spin_unlock(&cbs_list_lock);
-	}
-
-	return 0;
+	return cbs_change(sch, opt, extack);
 }
 
 static void cbs_destroy(struct Qdisc *sch)
@@ -431,15 +424,18 @@ static void cbs_destroy(struct Qdisc *sch)
 	struct cbs_sched_data *q = qdisc_priv(sch);
 	struct net_device *dev = qdisc_dev(sch);
 
-	spin_lock(&cbs_list_lock);
-	list_del(&q->cbs_list);
-	spin_unlock(&cbs_list_lock);
+	/* Nothing to do if we couldn't create the underlying qdisc */
+	if (!q->qdisc)
+		return;
 
 	qdisc_watchdog_cancel(&q->watchdog);
 	cbs_disable_offload(dev, q);
 
-	if (q->qdisc)
-		qdisc_put(q->qdisc);
+	spin_lock(&cbs_list_lock);
+	list_del(&q->cbs_list);
+	spin_unlock(&cbs_list_lock);
+
+	qdisc_put(q->qdisc);
 }
 
 static int cbs_dump(struct Qdisc *sch, struct sk_buff *skb)
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index b17f2ed970e2..f5cb35e550f8 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -777,7 +777,7 @@ static int get_dist_table(struct Qdisc *sch, struct disttable **tbl,
 	struct disttable *d;
 	int i;
 
-	if (n > NETEM_DIST_MAX)
+	if (!n || n > NETEM_DIST_MAX)
 		return -EINVAL;
 
 	d = kvmalloc(sizeof(struct disttable) + n * sizeof(s16), GFP_KERNEL);
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index fbb85ea24ea0..0d79321f51ee 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1785,6 +1785,7 @@ rpc_xdr_encode(struct rpc_task *task)
 		     req->rq_rbuffer,
 		     req->rq_rcvsize);
 
+	req->rq_reply_bytes_recvd = 0;
 	req->rq_snd_buf.head[0].iov_len = 0;
 	xdr_init_encode(&xdr, &req->rq_snd_buf,
 			req->rq_snd_buf.head[0].iov_base, req);
@@ -1804,6 +1805,8 @@ call_encode(struct rpc_task *task)
 	if (!rpc_task_need_encode(task))
 		goto out;
 	dprint_status(task);
+	/* Dequeue task from the receive queue while we're encoding */
+	xprt_request_dequeue_xprt(task);
 	/* Encode here so that rpcsec_gss can use correct sequence number. */
 	rpc_xdr_encode(task);
 	/* Did the encode result in an error condition? */
@@ -2437,9 +2440,6 @@ call_decode(struct rpc_task *task)
 		return;
 	case -EAGAIN:
 		task->tk_status = 0;
-		xdr_free_bvec(&req->rq_rcv_buf);
-		req->rq_reply_bytes_recvd = 0;
-		req->rq_rcv_buf.len = 0;
 		if (task->tk_client->cl_discrtry)
 			xprt_conditional_disconnect(req->rq_xprt,
 						    req->rq_connect_cookie);
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 48c93b9e525e..b256806d69cd 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -1237,16 +1237,29 @@ xdr_encode_word(struct xdr_buf *buf, unsigned int base, u32 obj)
 EXPORT_SYMBOL_GPL(xdr_encode_word);
 
 /* If the netobj starting offset bytes from the start of xdr_buf is contained
- * entirely in the head or the tail, set object to point to it; otherwise
- * try to find space for it at the end of the tail, copy it there, and
- * set obj to point to it. */
+ * entirely in the head, pages, or tail, set object to point to it; otherwise
+ * shift the buffer until it is contained entirely within the pages or tail.
+ */
 int xdr_buf_read_netobj(struct xdr_buf *buf, struct xdr_netobj *obj, unsigned int offset)
 {
 	struct xdr_buf subbuf;
+	unsigned int boundary;
 
 	if (xdr_decode_word(buf, offset, &obj->len))
 		return -EFAULT;
-	if (xdr_buf_subsegment(buf, &subbuf, offset + 4, obj->len))
+	offset += 4;
+
+	/* Is the obj partially in the head? */
+	boundary = buf->head[0].iov_len;
+	if (offset < boundary && (offset + obj->len) > boundary)
+		xdr_shift_buf(buf, boundary - offset);
+
+	/* Is the obj partially in the pages? */
+	boundary += buf->page_len;
+	if (offset < boundary && (offset + obj->len) > boundary)
+		xdr_shrink_pagelen(buf, boundary - offset);
+
+	if (xdr_buf_subsegment(buf, &subbuf, offset, obj->len))
 		return -EFAULT;
 
 	/* Is the obj contained entirely in the head? */
@@ -1258,11 +1271,7 @@ int xdr_buf_read_netobj(struct xdr_buf *buf, struct xdr_netobj *obj, unsigned in
 	if (subbuf.tail[0].iov_len == obj->len)
 		return 0;
 
-	/* use end of tail as storage for obj:
-	 * (We don't copy to the beginning because then we'd have
-	 * to worry about doing a potentially overlapping copy.
-	 * This assumes the object is at most half the length of the
-	 * tail.) */
+	/* Find a contiguous area in @buf to hold all of @obj */
 	if (obj->len > buf->buflen - buf->len)
 		return -ENOMEM;
 	if (buf->tail[0].iov_len != 0)
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index f7a995bd2a6c..76999de7b949 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1295,6 +1295,36 @@ xprt_request_dequeue_transmit(struct rpc_task *task)
 	spin_unlock(&xprt->queue_lock);
 }
 
+/**
+ * xprt_request_dequeue_xprt - remove a task from the transmit+receive queue
+ * @task: pointer to rpc_task
+ *
+ * Remove a task from the transmit and receive queues, and ensure that
+ * it is not pinned by the receive work item.
+ */
+void
+xprt_request_dequeue_xprt(struct rpc_task *task)
+{
+	struct rpc_rqst	*req = task->tk_rqstp;
+	struct rpc_xprt *xprt = req->rq_xprt;
+
+	if (test_bit(RPC_TASK_NEED_XMIT, &task->tk_runstate) ||
+	    test_bit(RPC_TASK_NEED_RECV, &task->tk_runstate) ||
+	    xprt_is_pinned_rqst(req)) {
+		spin_lock(&xprt->queue_lock);
+		xprt_request_dequeue_transmit_locked(task);
+		xprt_request_dequeue_receive_locked(task);
+		while (xprt_is_pinned_rqst(req)) {
+			set_bit(RPC_TASK_MSG_PIN_WAIT, &task->tk_runstate);
+			spin_unlock(&xprt->queue_lock);
+			xprt_wait_on_pinned_rqst(req);
+			spin_lock(&xprt->queue_lock);
+			clear_bit(RPC_TASK_MSG_PIN_WAIT, &task->tk_runstate);
+		}
+		spin_unlock(&xprt->queue_lock);
+	}
+}
+
 /**
  * xprt_request_prepare - prepare an encoded request for transport
  * @req: pointer to rpc_rqst
@@ -1719,28 +1749,6 @@ void xprt_retry_reserve(struct rpc_task *task)
 	xprt_do_reserve(xprt, task);
 }
 
-static void
-xprt_request_dequeue_all(struct rpc_task *task, struct rpc_rqst *req)
-{
-	struct rpc_xprt *xprt = req->rq_xprt;
-
-	if (test_bit(RPC_TASK_NEED_XMIT, &task->tk_runstate) ||
-	    test_bit(RPC_TASK_NEED_RECV, &task->tk_runstate) ||
-	    xprt_is_pinned_rqst(req)) {
-		spin_lock(&xprt->queue_lock);
-		xprt_request_dequeue_transmit_locked(task);
-		xprt_request_dequeue_receive_locked(task);
-		while (xprt_is_pinned_rqst(req)) {
-			set_bit(RPC_TASK_MSG_PIN_WAIT, &task->tk_runstate);
-			spin_unlock(&xprt->queue_lock);
-			xprt_wait_on_pinned_rqst(req);
-			spin_lock(&xprt->queue_lock);
-			clear_bit(RPC_TASK_MSG_PIN_WAIT, &task->tk_runstate);
-		}
-		spin_unlock(&xprt->queue_lock);
-	}
-}
-
 /**
  * xprt_release - release an RPC request slot
  * @task: task which is finished with the slot
@@ -1764,7 +1772,7 @@ void xprt_release(struct rpc_task *task)
 		task->tk_ops->rpc_count_stats(task, task->tk_calldata);
 	else if (task->tk_client)
 		rpc_count_iostats(task, task->tk_client->cl_metrics);
-	xprt_request_dequeue_all(task, req);
+	xprt_request_dequeue_xprt(task);
 	spin_lock_bh(&xprt->transport_lock);
 	xprt->ops->release_xprt(xprt, task);
 	if (xprt->ops->release_request)
diff --git a/net/wireless/util.c b/net/wireless/util.c
index e74837824cea..f68818dbac1a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -960,6 +960,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 		}
 
 		cfg80211_process_rdev_events(rdev);
+		cfg80211_mlme_purge_registrations(dev->ieee80211_ptr);
 	}
 
 	err = rdev_change_virtual_intf(rdev, dev, ntype, params);
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
index 6410bd22fe38..03757cc60e06 100644
--- a/scripts/Makefile.kasan
+++ b/scripts/Makefile.kasan
@@ -1,4 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0
+ifdef CONFIG_KASAN
+CFLAGS_KASAN_NOSANITIZE := -fno-builtin
+KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET)
+endif
+
 ifdef CONFIG_KASAN_GENERIC
 
 ifdef CONFIG_KASAN_INLINE
@@ -7,8 +12,6 @@ else
 	call_threshold := 0
 endif
 
-KASAN_SHADOW_OFFSET ?= $(CONFIG_KASAN_SHADOW_OFFSET)
-
 CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address
 
 cc-param = $(call cc-option, -mllvm -$(1), $(call cc-option, --param $(1)))
@@ -45,7 +48,3 @@ CFLAGS_KASAN := -fsanitize=kernel-hwaddress \
 		$(instrumentation_flags)
 
 endif # CONFIG_KASAN_SW_TAGS
-
-ifdef CONFIG_KASAN
-CFLAGS_KASAN_NOSANITIZE := -fno-builtin
-endif
diff --git a/scripts/gcc-plugins/randomize_layout_plugin.c b/scripts/gcc-plugins/randomize_layout_plugin.c
index 6d5bbd31db7f..bd29e4e7a524 100644
--- a/scripts/gcc-plugins/randomize_layout_plugin.c
+++ b/scripts/gcc-plugins/randomize_layout_plugin.c
@@ -443,13 +443,13 @@ static int is_pure_ops_struct(const_tree node)
 		if (node == fieldtype)
 			continue;
 
-		if (!is_fptr(fieldtype))
-			return 0;
-
-		if (code != RECORD_TYPE && code != UNION_TYPE)
+		if (code == RECORD_TYPE || code == UNION_TYPE) {
+			if (!is_pure_ops_struct(fieldtype))
+				return 0;
 			continue;
+		}
 
-		if (!is_pure_ops_struct(fieldtype))
+		if (!is_fptr(fieldtype))
 			return 0;
 	}
 
diff --git a/security/keys/trusted.c b/security/keys/trusted.c
index ade699131065..1fbd77816610 100644
--- a/security/keys/trusted.c
+++ b/security/keys/trusted.c
@@ -1228,11 +1228,16 @@ static int __init trusted_shash_alloc(void)
 
 static int __init init_digests(void)
 {
+	int i;
+
 	digests = kcalloc(chip->nr_allocated_banks, sizeof(*digests),
 			  GFP_KERNEL);
 	if (!digests)
 		return -ENOMEM;
 
+	for (i = 0; i < chip->nr_allocated_banks; i++)
+		digests[i].alg_id = chip->allocated_banks[i].alg_id;
+
 	return 0;
 }
 
diff --git a/sound/firewire/motu/motu.c b/sound/firewire/motu/motu.c
index 03cda2166ea3..72908b4de77c 100644
--- a/sound/firewire/motu/motu.c
+++ b/sound/firewire/motu/motu.c
@@ -247,6 +247,17 @@ static const struct snd_motu_spec motu_audio_express = {
 	.analog_out_ports = 4,
 };
 
+static const struct snd_motu_spec motu_4pre = {
+	.name = "4pre",
+	.protocol = &snd_motu_protocol_v3,
+	.flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
+		 SND_MOTU_SPEC_TX_MICINST_CHUNK |
+		 SND_MOTU_SPEC_TX_RETURN_CHUNK |
+		 SND_MOTU_SPEC_RX_SEPARETED_MAIN,
+	.analog_in_ports = 2,
+	.analog_out_ports = 2,
+};
+
 #define SND_MOTU_DEV_ENTRY(model, data)			\
 {							\
 	.match_flags	= IEEE1394_MATCH_VENDOR_ID |	\
@@ -265,6 +276,7 @@ static const struct ieee1394_device_id motu_id_table[] = {
 	SND_MOTU_DEV_ENTRY(0x000015, &motu_828mk3),	/* FireWire only. */
 	SND_MOTU_DEV_ENTRY(0x000035, &motu_828mk3),	/* Hybrid. */
 	SND_MOTU_DEV_ENTRY(0x000033, &motu_audio_express),
+	SND_MOTU_DEV_ENTRY(0x000045, &motu_4pre),
 	{ }
 };
 MODULE_DEVICE_TABLE(ieee1394, motu_id_table);
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c
index a8cd9b156488..67d8b80b471e 100644
--- a/sound/firewire/tascam/tascam-pcm.c
+++ b/sound/firewire/tascam/tascam-pcm.c
@@ -56,6 +56,9 @@ static int pcm_open(struct snd_pcm_substream *substream)
 		goto err_locked;
 
 	err = snd_tscm_stream_get_clock(tscm, &clock);
+	if (err < 0)
+		goto err_locked;
+
 	if (clock != SND_TSCM_CLOCK_INTERNAL ||
 	    amdtp_stream_pcm_running(&tscm->rx_stream) ||
 	    amdtp_stream_pcm_running(&tscm->tx_stream)) {
diff --git a/sound/firewire/tascam/tascam-stream.c b/sound/firewire/tascam/tascam-stream.c
index e6fcd9e19961..3cb0bbfa03c6 100644
--- a/sound/firewire/tascam/tascam-stream.c
+++ b/sound/firewire/tascam/tascam-stream.c
@@ -8,20 +8,37 @@
 #include <linux/delay.h>
 #include "tascam.h"
 
+#define CLOCK_STATUS_MASK      0xffff0000
+#define CLOCK_CONFIG_MASK      0x0000ffff
+
 #define CALLBACK_TIMEOUT 500
 
 static int get_clock(struct snd_tscm *tscm, u32 *data)
 {
+	int trial = 0;
 	__be32 reg;
 	int err;
 
-	err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
-				 TSCM_ADDR_BASE + TSCM_OFFSET_CLOCK_STATUS,
-				 &reg, sizeof(reg), 0);
-	if (err >= 0)
+	while (trial++ < 5) {
+		err = snd_fw_transaction(tscm->unit, TCODE_READ_QUADLET_REQUEST,
+				TSCM_ADDR_BASE + TSCM_OFFSET_CLOCK_STATUS,
+				&reg, sizeof(reg), 0);
+		if (err < 0)
+			return err;
+
 		*data = be32_to_cpu(reg);
+		if (*data & CLOCK_STATUS_MASK)
+			break;
 
-	return err;
+		// In intermediate state after changing clock status.
+		msleep(50);
+	}
+
+	// Still in the intermediate state.
+	if (trial >= 5)
+		return -EAGAIN;
+
+	return 0;
 }
 
 static int set_clock(struct snd_tscm *tscm, unsigned int rate,
@@ -34,7 +51,7 @@ static int set_clock(struct snd_tscm *tscm, unsigned int rate,
 	err = get_clock(tscm, &data);
 	if (err < 0)
 		return err;
-	data &= 0x0000ffff;
+	data &= CLOCK_CONFIG_MASK;
 
 	if (rate > 0) {
 		data &= 0x000000ff;
@@ -79,17 +96,14 @@ static int set_clock(struct snd_tscm *tscm, unsigned int rate,
 
 int snd_tscm_stream_get_rate(struct snd_tscm *tscm, unsigned int *rate)
 {
-	u32 data = 0x0;
-	unsigned int trials = 0;
+	u32 data;
 	int err;
 
-	while (data == 0x0 || trials++ < 5) {
-		err = get_clock(tscm, &data);
-		if (err < 0)
-			return err;
+	err = get_clock(tscm, &data);
+	if (err < 0)
+		return err;
 
-		data = (data & 0xff000000) >> 24;
-	}
+	data = (data & 0xff000000) >> 24;
 
 	/* Check base rate. */
 	if ((data & 0x0f) == 0x01)
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index 812dc144fb5b..2258804c5857 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -445,6 +445,8 @@ static void azx_int_disable(struct hdac_bus *bus)
 	list_for_each_entry(azx_dev, &bus->stream_list, list)
 		snd_hdac_stream_updateb(azx_dev, SD_CTL, SD_INT_MASK, 0);
 
+	synchronize_irq(bus->irq);
+
 	/* disable SIE for all streams */
 	snd_hdac_chip_writeb(bus, INTCTL, 0);
 
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index 5f59316f982a..7d15093844b9 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -775,11 +775,12 @@ static int build_adc_controls(struct snd_akm4xxx *ak)
 				return err;
 
 			memset(&knew, 0, sizeof(knew));
-			knew.name = ak->adc_info[mixer_ch].selector_name;
-			if (!knew.name) {
+			if (!ak->adc_info ||
+				!ak->adc_info[mixer_ch].selector_name) {
 				knew.name = "Capture Channel";
 				knew.index = mixer_ch + ak->idx_offset * 2;
-			}
+			} else
+				knew.name = ak->adc_info[mixer_ch].selector_name;
 
 			knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 			knew.info = ak4xxx_capture_source_info;
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 106328584998..c2a6554c9877 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -846,7 +846,13 @@ static void snd_hda_codec_dev_release(struct device *dev)
 	snd_hda_sysfs_clear(codec);
 	kfree(codec->modelname);
 	kfree(codec->wcaps);
-	kfree(codec);
+
+	/*
+	 * In the case of ASoC HD-audio, hda_codec is device managed.
+	 * It will be freed when the ASoC device is removed.
+	 */
+	if (codec->core.type == HDA_DEV_LEGACY)
+		kfree(codec);
 }
 
 #define DEV_NAME_LEN 31
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index dd96def48a3a..1158bcf55148 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -869,10 +869,13 @@ static int azx_rirb_get_response(struct hdac_bus *bus, unsigned int addr,
 	 */
 	if (hbus->allow_bus_reset && !hbus->response_reset && !hbus->in_reset) {
 		hbus->response_reset = 1;
+		dev_err(chip->card->dev,
+			"No response from codec, resetting bus: last cmd=0x%08x\n",
+			bus->last_cmd[addr]);
 		return -EAGAIN; /* give a chance to retry */
 	}
 
-	dev_err(chip->card->dev,
+	dev_WARN(chip->card->dev,
 		"azx_get_response timeout, switching to single_cmd mode: last cmd=0x%08x\n",
 		bus->last_cmd[addr]);
 	chip->single_cmd = 1;
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index e7da1a59884a..03dd532967bd 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1349,9 +1349,9 @@ static int azx_free(struct azx *chip)
 	}
 
 	if (bus->chip_init) {
+		azx_stop_chip(chip);
 		azx_clear_irq_pending(chip);
 		azx_stop_all_streams(chip);
-		azx_stop_chip(chip);
 	}
 
 	if (bus->irq >= 0)
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index e49c1c00f5ce..ca0404edd939 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2611,6 +2611,8 @@ static void i915_pin_cvt_fixup(struct hda_codec *codec,
 /* precondition and allocation for Intel codecs */
 static int alloc_intel_hdmi(struct hda_codec *codec)
 {
+	int err;
+
 	/* requires i915 binding */
 	if (!codec->bus->core.audio_component) {
 		codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
@@ -2619,7 +2621,12 @@ static int alloc_intel_hdmi(struct hda_codec *codec)
 		return -ENODEV;
 	}
 
-	return alloc_generic_hdmi(codec);
+	err = alloc_generic_hdmi(codec);
+	if (err < 0)
+		return err;
+	/* no need to handle unsol events */
+	codec->patch_ops.unsol_event = NULL;
+	return 0;
 }
 
 /* parse and post-process for Intel codecs */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c1ddfd2fac52..36aee8ad2054 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1058,6 +1058,9 @@ static const struct snd_pci_quirk beep_white_list[] = {
 	SND_PCI_QUIRK(0x1043, 0x834a, "EeePC", 1),
 	SND_PCI_QUIRK(0x1458, 0xa002, "GA-MA790X", 1),
 	SND_PCI_QUIRK(0x8086, 0xd613, "Intel", 1),
+	/* blacklist -- no beep available */
+	SND_PCI_QUIRK(0x17aa, 0x309e, "Lenovo ThinkCentre M73", 0),
+	SND_PCI_QUIRK(0x17aa, 0x30a3, "Lenovo ThinkCentre M93", 0),
 	{}
 };
 
@@ -3755,6 +3758,72 @@ static void alc269_x101_hp_automute_hook(struct hda_codec *codec,
 			    vref);
 }
 
+/*
+ * Magic sequence to make Huawei Matebook X right speaker working (bko#197801)
+ */
+struct hda_alc298_mbxinit {
+	unsigned char value_0x23;
+	unsigned char value_0x25;
+};
+
+static void alc298_huawei_mbx_stereo_seq(struct hda_codec *codec,
+					 const struct hda_alc298_mbxinit *initval,
+					 bool first)
+{
+	snd_hda_codec_write(codec, 0x06, 0, AC_VERB_SET_DIGI_CONVERT_3, 0x0);
+	alc_write_coef_idx(codec, 0x26, 0xb000);
+
+	if (first)
+		snd_hda_codec_write(codec, 0x21, 0, AC_VERB_GET_PIN_SENSE, 0x0);
+
+	snd_hda_codec_write(codec, 0x6, 0, AC_VERB_SET_DIGI_CONVERT_3, 0x80);
+	alc_write_coef_idx(codec, 0x26, 0xf000);
+	alc_write_coef_idx(codec, 0x23, initval->value_0x23);
+
+	if (initval->value_0x23 != 0x1e)
+		alc_write_coef_idx(codec, 0x25, initval->value_0x25);
+
+	snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_COEF_INDEX, 0x26);
+	snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_PROC_COEF, 0xb010);
+}
+
+static void alc298_fixup_huawei_mbx_stereo(struct hda_codec *codec,
+					   const struct hda_fixup *fix,
+					   int action)
+{
+	/* Initialization magic */
+	static const struct hda_alc298_mbxinit dac_init[] = {
+		{0x0c, 0x00}, {0x0d, 0x00}, {0x0e, 0x00}, {0x0f, 0x00},
+		{0x10, 0x00}, {0x1a, 0x40}, {0x1b, 0x82}, {0x1c, 0x00},
+		{0x1d, 0x00}, {0x1e, 0x00}, {0x1f, 0x00},
+		{0x20, 0xc2}, {0x21, 0xc8}, {0x22, 0x26}, {0x23, 0x24},
+		{0x27, 0xff}, {0x28, 0xff}, {0x29, 0xff}, {0x2a, 0x8f},
+		{0x2b, 0x02}, {0x2c, 0x48}, {0x2d, 0x34}, {0x2e, 0x00},
+		{0x2f, 0x00},
+		{0x30, 0x00}, {0x31, 0x00}, {0x32, 0x00}, {0x33, 0x00},
+		{0x34, 0x00}, {0x35, 0x01}, {0x36, 0x93}, {0x37, 0x0c},
+		{0x38, 0x00}, {0x39, 0x00}, {0x3a, 0xf8}, {0x38, 0x80},
+		{}
+	};
+	const struct hda_alc298_mbxinit *seq;
+
+	if (action != HDA_FIXUP_ACT_INIT)
+		return;
+
+	/* Start */
+	snd_hda_codec_write(codec, 0x06, 0, AC_VERB_SET_DIGI_CONVERT_3, 0x00);
+	snd_hda_codec_write(codec, 0x06, 0, AC_VERB_SET_DIGI_CONVERT_3, 0x80);
+	alc_write_coef_idx(codec, 0x26, 0xf000);
+	alc_write_coef_idx(codec, 0x22, 0x31);
+	alc_write_coef_idx(codec, 0x23, 0x0b);
+	alc_write_coef_idx(codec, 0x25, 0x00);
+	snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_COEF_INDEX, 0x26);
+	snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_PROC_COEF, 0xb010);
+
+	for (seq = dac_init; seq->value_0x23; seq++)
+		alc298_huawei_mbx_stereo_seq(codec, seq, seq == dac_init);
+}
+
 static void alc269_fixup_x101_headset_mic(struct hda_codec *codec,
 				     const struct hda_fixup *fix, int action)
 {
@@ -5780,6 +5849,7 @@ enum {
 	ALC255_FIXUP_DUMMY_LINEOUT_VERB,
 	ALC255_FIXUP_DELL_HEADSET_MIC,
 	ALC256_FIXUP_HUAWEI_MACH_WX9_PINS,
+	ALC298_FIXUP_HUAWEI_MBX_STEREO,
 	ALC295_FIXUP_HP_X360,
 	ALC221_FIXUP_HP_HEADSET_MIC,
 	ALC285_FIXUP_LENOVO_HEADPHONE_NOISE,
@@ -5800,6 +5870,7 @@ enum {
 	ALC256_FIXUP_ASUS_MIC_NO_PRESENCE,
 	ALC299_FIXUP_PREDATOR_SPK,
 	ALC294_FIXUP_ASUS_INTSPK_HEADSET_MIC,
+	ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -6089,6 +6160,12 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC255_FIXUP_MIC_MUTE_LED
 	},
+	[ALC298_FIXUP_HUAWEI_MBX_STEREO] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc298_fixup_huawei_mbx_stereo,
+		.chained = true,
+		.chain_id = ALC255_FIXUP_MIC_MUTE_LED
+	},
 	[ALC269_FIXUP_ASUS_X101_FUNC] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc269_fixup_x101_headset_mic,
@@ -6850,6 +6927,16 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC
 	},
+	[ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{ 0x19, 0x04a11040 },
+			{ 0x21, 0x04211020 },
+			{ }
+		},
+		.chained = true,
+		.chain_id = ALC256_FIXUP_ASUS_HEADSET_MODE
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7113,6 +7200,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD),
 	SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS),
 	SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo EVE2 ", ALC269VB_FIXUP_ORDISSIMO_EVE2), /* Also known as Malata PC-B1303 */
+	SND_PCI_QUIRK(0x10ec, 0x118c, "Medion EE4254 MD62100", ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE),
 
 #if 0
 	/* Below is a quirk table taken from the old code.
@@ -7280,6 +7368,8 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
 	{.id = ALC225_FIXUP_HEADSET_JACK, .name = "alc-headset-jack"},
 	{.id = ALC295_FIXUP_CHROME_BOOK, .name = "alc-chrome-book"},
 	{.id = ALC299_FIXUP_PREDATOR_SPK, .name = "predator-spk"},
+	{.id = ALC298_FIXUP_HUAWEI_MBX_STEREO, .name = "huawei-mbx-stereo"},
+	{.id = ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE, .name = "alc256-medion-headset"},
 	{}
 };
 #define ALC225_STANDARD_PINS \
diff --git a/sound/soc/atmel/mchp-i2s-mcc.c b/sound/soc/atmel/mchp-i2s-mcc.c
index 86495883ca3f..ab7d5f98e759 100644
--- a/sound/soc/atmel/mchp-i2s-mcc.c
+++ b/sound/soc/atmel/mchp-i2s-mcc.c
@@ -670,8 +670,13 @@ static int mchp_i2s_mcc_hw_params(struct snd_pcm_substream *substream,
 	}
 
 	ret = regmap_write(dev->regmap, MCHP_I2SMCC_MRA, mra);
-	if (ret < 0)
+	if (ret < 0) {
+		if (dev->gclk_use) {
+			clk_unprepare(dev->gclk);
+			dev->gclk_use = 0;
+		}
 		return ret;
+	}
 	return regmap_write(dev->regmap, MCHP_I2SMCC_MRB, mrb);
 }
 
@@ -686,31 +691,37 @@ static int mchp_i2s_mcc_hw_free(struct snd_pcm_substream *substream,
 		err = wait_event_interruptible_timeout(dev->wq_txrdy,
 						       dev->tx_rdy,
 						       msecs_to_jiffies(500));
+		if (err == 0) {
+			dev_warn_once(dev->dev,
+				      "Timeout waiting for Tx ready\n");
+			regmap_write(dev->regmap, MCHP_I2SMCC_IDRA,
+				     MCHP_I2SMCC_INT_TXRDY_MASK(dev->channels));
+			dev->tx_rdy = 1;
+		}
 	} else {
 		err = wait_event_interruptible_timeout(dev->wq_rxrdy,
 						       dev->rx_rdy,
 						       msecs_to_jiffies(500));
-	}
-
-	if (err == 0) {
-		u32 idra;
-
-		dev_warn_once(dev->dev, "Timeout waiting for %s\n",
-			      is_playback ? "Tx ready" : "Rx ready");
-		if (is_playback)
-			idra = MCHP_I2SMCC_INT_TXRDY_MASK(dev->channels);
-		else
-			idra = MCHP_I2SMCC_INT_RXRDY_MASK(dev->channels);
-		regmap_write(dev->regmap, MCHP_I2SMCC_IDRA, idra);
+		if (err == 0) {
+			dev_warn_once(dev->dev,
+				      "Timeout waiting for Rx ready\n");
+			regmap_write(dev->regmap, MCHP_I2SMCC_IDRA,
+				     MCHP_I2SMCC_INT_RXRDY_MASK(dev->channels));
+			dev->rx_rdy = 1;
+		}
 	}
 
 	if (!mchp_i2s_mcc_is_running(dev)) {
 		regmap_write(dev->regmap, MCHP_I2SMCC_CR, MCHP_I2SMCC_CR_CKDIS);
 
 		if (dev->gclk_running) {
-			clk_disable_unprepare(dev->gclk);
+			clk_disable(dev->gclk);
 			dev->gclk_running = 0;
 		}
+		if (dev->gclk_use) {
+			clk_unprepare(dev->gclk);
+			dev->gclk_use = 0;
+		}
 	}
 
 	return 0;
@@ -809,6 +820,8 @@ static int mchp_i2s_mcc_dai_probe(struct snd_soc_dai *dai)
 
 	init_waitqueue_head(&dev->wq_txrdy);
 	init_waitqueue_head(&dev->wq_rxrdy);
+	dev->tx_rdy = 1;
+	dev->rx_rdy = 1;
 
 	snd_soc_dai_init_dma_data(dai, &dev->playback, &dev->capture);
 
diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c
index 6db002cc2058..96d04896193f 100644
--- a/sound/soc/codecs/es8316.c
+++ b/sound/soc/codecs/es8316.c
@@ -51,7 +51,10 @@ static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_max_gain_tlv, -650, 150, 0);
 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_min_gain_tlv, -1200, 150, 0);
 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_target_tlv, -1650, 150, 0);
-static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(hpmixer_gain_tlv, -1200, 150, 0);
+static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(hpmixer_gain_tlv,
+	0, 4, TLV_DB_SCALE_ITEM(-1200, 150, 0),
+	8, 11, TLV_DB_SCALE_ITEM(-450, 150, 0),
+);
 
 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(adc_pga_gain_tlv,
 	0, 0, TLV_DB_SCALE_ITEM(-350, 0, 0),
@@ -89,7 +92,7 @@ static const struct snd_kcontrol_new es8316_snd_controls[] = {
 	SOC_DOUBLE_TLV("Headphone Playback Volume", ES8316_CPHP_ICAL_VOL,
 		       4, 0, 3, 1, hpout_vol_tlv),
 	SOC_DOUBLE_TLV("Headphone Mixer Volume", ES8316_HPMIX_VOL,
-		       0, 4, 7, 0, hpmixer_gain_tlv),
+		       0, 4, 11, 0, hpmixer_gain_tlv),
 
 	SOC_ENUM("Playback Polarity", dacpol),
 	SOC_DOUBLE_R_TLV("DAC Playback Volume", ES8316_DAC_VOLL,
diff --git a/sound/soc/codecs/hdac_hda.c b/sound/soc/codecs/hdac_hda.c
index 7d4940256914..91242b6f8ea7 100644
--- a/sound/soc/codecs/hdac_hda.c
+++ b/sound/soc/codecs/hdac_hda.c
@@ -495,6 +495,10 @@ static int hdac_hda_dev_probe(struct hdac_device *hdev)
 
 static int hdac_hda_dev_remove(struct hdac_device *hdev)
 {
+	struct hdac_hda_priv *hda_pvt;
+
+	hda_pvt = dev_get_drvdata(&hdev->dev);
+	cancel_delayed_work_sync(&hda_pvt->codec.jackpoll_work);
 	return 0;
 }
 
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index a6a4748c97f9..7cbaedffa1ef 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1173,12 +1173,17 @@ static int sgtl5000_set_power_regs(struct snd_soc_component *component)
 					SGTL5000_INT_OSC_EN);
 		/* Enable VDDC charge pump */
 		ana_pwr |= SGTL5000_VDDC_CHRGPMP_POWERUP;
-	} else if (vddio >= 3100 && vdda >= 3100) {
+	} else {
 		ana_pwr &= ~SGTL5000_VDDC_CHRGPMP_POWERUP;
-		/* VDDC use VDDIO rail */
-		lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD;
-		lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO <<
-			    SGTL5000_VDDC_MAN_ASSN_SHIFT;
+		/*
+		 * if vddio == vdda the source of charge pump should be
+		 * assigned manually to VDDIO
+		 */
+		if (vddio == vdda) {
+			lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD;
+			lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO <<
+				    SGTL5000_VDDC_MAN_ASSN_SHIFT;
+		}
 	}
 
 	snd_soc_component_write(component, SGTL5000_CHIP_LINREG_CTRL, lreg_ctrl);
@@ -1288,6 +1293,7 @@ static int sgtl5000_probe(struct snd_soc_component *component)
 	int ret;
 	u16 reg;
 	struct sgtl5000_priv *sgtl5000 = snd_soc_component_get_drvdata(component);
+	unsigned int zcd_mask = SGTL5000_HP_ZCD_EN | SGTL5000_ADC_ZCD_EN;
 
 	/* power up sgtl5000 */
 	ret = sgtl5000_set_power_regs(component);
@@ -1315,9 +1321,8 @@ static int sgtl5000_probe(struct snd_soc_component *component)
 	       0x1f);
 	snd_soc_component_write(component, SGTL5000_CHIP_PAD_STRENGTH, reg);
 
-	snd_soc_component_write(component, SGTL5000_CHIP_ANA_CTRL,
-			SGTL5000_HP_ZCD_EN |
-			SGTL5000_ADC_ZCD_EN);
+	snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL,
+		zcd_mask, zcd_mask);
 
 	snd_soc_component_update_bits(component, SGTL5000_CHIP_MIC_CTRL,
 			SGTL5000_BIAS_R_MASK,
diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c
index 9b37e98da0db..26a4f6cd3288 100644
--- a/sound/soc/codecs/tlv320aic31xx.c
+++ b/sound/soc/codecs/tlv320aic31xx.c
@@ -1553,7 +1553,8 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c,
 	aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
 						      GPIOD_OUT_LOW);
 	if (IS_ERR(aic31xx->gpio_reset)) {
-		dev_err(aic31xx->dev, "not able to acquire gpio\n");
+		if (PTR_ERR(aic31xx->gpio_reset) != -EPROBE_DEFER)
+			dev_err(aic31xx->dev, "not able to acquire gpio\n");
 		return PTR_ERR(aic31xx->gpio_reset);
 	}
 
@@ -1564,7 +1565,9 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c,
 				      ARRAY_SIZE(aic31xx->supplies),
 				      aic31xx->supplies);
 	if (ret) {
-		dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(aic31xx->dev,
+				"Failed to request supplies: %d\n", ret);
 		return ret;
 	}
 
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 09b2967befd9..d83be26d6446 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -799,15 +799,6 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
 	u32 wl = SSI_SxCCR_WL(sample_size);
 	int ret;
 
-	/*
-	 * SSI is properly configured if it is enabled and running in
-	 * the synchronous mode; Note that AC97 mode is an exception
-	 * that should set separate configurations for STCCR and SRCCR
-	 * despite running in the synchronous mode.
-	 */
-	if (ssi->streams && ssi->synchronous)
-		return 0;
-
 	if (fsl_ssi_is_i2s_master(ssi)) {
 		ret = fsl_ssi_set_bclk(substream, dai, hw_params);
 		if (ret)
@@ -823,6 +814,15 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
 		}
 	}
 
+	/*
+	 * SSI is properly configured if it is enabled and running in
+	 * the synchronous mode; Note that AC97 mode is an exception
+	 * that should set separate configurations for STCCR and SRCCR
+	 * despite running in the synchronous mode.
+	 */
+	if (ssi->streams && ssi->synchronous)
+		return 0;
+
 	if (!fsl_ssi_is_ac97(ssi)) {
 		/*
 		 * Keep the ssi->i2s_net intact while having a local variable
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index f4c6375d11c7..ef1adf87cbc8 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -224,10 +224,17 @@ EXPORT_SYMBOL_GPL(asoc_simple_startup);
 void asoc_simple_shutdown(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct asoc_simple_priv *priv = snd_soc_card_get_drvdata(rtd->card);
 	struct simple_dai_props *dai_props =
 		simple_priv_to_props(priv, rtd->num);
 
+	if (dai_props->mclk_fs) {
+		snd_soc_dai_set_sysclk(codec_dai, 0, 0, SND_SOC_CLOCK_IN);
+		snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_OUT);
+	}
+
 	asoc_simple_clk_disable(dai_props->cpu_dai);
 
 	asoc_simple_clk_disable(dai_props->codec_dai);
diff --git a/sound/soc/intel/common/sst-acpi.c b/sound/soc/intel/common/sst-acpi.c
index 0e8e0a7a11df..5854868650b9 100644
--- a/sound/soc/intel/common/sst-acpi.c
+++ b/sound/soc/intel/common/sst-acpi.c
@@ -141,11 +141,12 @@ static int sst_acpi_probe(struct platform_device *pdev)
 	}
 
 	platform_set_drvdata(pdev, sst_acpi);
+	mach->pdata = sst_pdata;
 
 	/* register machine driver */
 	sst_acpi->pdev_mach =
 		platform_device_register_data(dev, mach->drv_name, -1,
-					      sst_pdata, sizeof(*sst_pdata));
+					      mach, sizeof(*mach));
 	if (IS_ERR(sst_acpi->pdev_mach))
 		return PTR_ERR(sst_acpi->pdev_mach);
 
diff --git a/sound/soc/intel/common/sst-ipc.c b/sound/soc/intel/common/sst-ipc.c
index b95411ed0b62..9b659c130724 100644
--- a/sound/soc/intel/common/sst-ipc.c
+++ b/sound/soc/intel/common/sst-ipc.c
@@ -222,6 +222,8 @@ struct ipc_message *sst_ipc_reply_find_msg(struct sst_generic_ipc *ipc,
 
 	if (ipc->ops.reply_msg_match != NULL)
 		header = ipc->ops.reply_msg_match(header, &mask);
+	else
+		mask = (u64)-1;
 
 	if (list_empty(&ipc->rx_list)) {
 		dev_err(ipc->dev, "error: rx list empty but received 0x%llx\n",
diff --git a/sound/soc/intel/skylake/skl-debug.c b/sound/soc/intel/skylake/skl-debug.c
index 69cbe9eb026b..bffc6a9619fc 100644
--- a/sound/soc/intel/skylake/skl-debug.c
+++ b/sound/soc/intel/skylake/skl-debug.c
@@ -188,7 +188,7 @@ static ssize_t fw_softreg_read(struct file *file, char __user *user_buf,
 	memset(d->fw_read_buff, 0, FW_REG_BUF);
 
 	if (w0_stat_sz > 0)
-		__iowrite32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2);
+		__ioread32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2);
 
 	for (offset = 0; offset < FW_REG_SIZE; offset += 16) {
 		ret += snprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c
index 1132109cb992..e01815cec6fd 100644
--- a/sound/soc/intel/skylake/skl-nhlt.c
+++ b/sound/soc/intel/skylake/skl-nhlt.c
@@ -225,7 +225,7 @@ int skl_nhlt_update_topology_bin(struct skl *skl)
 	struct hdac_bus *bus = skl_to_bus(skl);
 	struct device *dev = bus->dev;
 
-	dev_dbg(dev, "oem_id %.6s, oem_table_id %8s oem_revision %d\n",
+	dev_dbg(dev, "oem_id %.6s, oem_table_id %.8s oem_revision %d\n",
 		nhlt->header.oem_id, nhlt->header.oem_table_id,
 		nhlt->header.oem_revision);
 
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index e821ccc70f47..141d9a030c59 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -30,6 +30,7 @@ struct rsnd_adg {
 	struct clk *clkout[CLKOUTMAX];
 	struct clk_onecell_data onecell;
 	struct rsnd_mod mod;
+	int clk_rate[CLKMAX];
 	u32 flags;
 	u32 ckr;
 	u32 rbga;
@@ -113,9 +114,9 @@ static void __rsnd_adg_get_timesel_ratio(struct rsnd_priv *priv,
 	unsigned int val, en;
 	unsigned int min, diff;
 	unsigned int sel_rate[] = {
-		clk_get_rate(adg->clk[CLKA]),	/* 0000: CLKA */
-		clk_get_rate(adg->clk[CLKB]),	/* 0001: CLKB */
-		clk_get_rate(adg->clk[CLKC]),	/* 0010: CLKC */
+		adg->clk_rate[CLKA],	/* 0000: CLKA */
+		adg->clk_rate[CLKB],	/* 0001: CLKB */
+		adg->clk_rate[CLKC],	/* 0010: CLKC */
 		adg->rbga_rate_for_441khz,	/* 0011: RBGA */
 		adg->rbgb_rate_for_48khz,	/* 0100: RBGB */
 	};
@@ -301,7 +302,7 @@ int rsnd_adg_clk_query(struct rsnd_priv *priv, unsigned int rate)
 	 * AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC/AUDIO_CLKI.
 	 */
 	for_each_rsnd_clk(clk, adg, i) {
-		if (rate == clk_get_rate(clk))
+		if (rate == adg->clk_rate[i])
 			return sel_table[i];
 	}
 
@@ -368,10 +369,18 @@ void rsnd_adg_clk_control(struct rsnd_priv *priv, int enable)
 
 	for_each_rsnd_clk(clk, adg, i) {
 		ret = 0;
-		if (enable)
+		if (enable) {
 			ret = clk_prepare_enable(clk);
-		else
+
+			/*
+			 * We shouldn't use clk_get_rate() under
+			 * atomic context. Let's keep it when
+			 * rsnd_adg_clk_enable() was called
+			 */
+			adg->clk_rate[i] = clk_get_rate(adg->clk[i]);
+		} else {
 			clk_disable_unprepare(clk);
+		}
 
 		if (ret < 0)
 			dev_warn(dev, "can't use clk %d\n", i);
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 748f5f641002..d93db2c2b527 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -306,6 +306,12 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
 
 		if (!dmaengine_pcm_can_report_residue(dev, pcm->chan[i]))
 			pcm->flags |= SND_DMAENGINE_PCM_FLAG_NO_RESIDUE;
+
+		if (rtd->pcm->streams[i].pcm->name[0] == '\0') {
+			strncpy(rtd->pcm->streams[i].pcm->name,
+				rtd->pcm->streams[i].pcm->id,
+				sizeof(rtd->pcm->streams[i].pcm->name));
+		}
 	}
 
 	return 0;
diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c
index b8b37f082309..0d8437b080bf 100644
--- a/sound/soc/sof/intel/hda-codec.c
+++ b/sound/soc/sof/intel/hda-codec.c
@@ -62,8 +62,7 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address)
 		address, resp);
 
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
-	/* snd_hdac_ext_bus_device_exit will use kfree to free hdev */
-	hda_priv = kzalloc(sizeof(*hda_priv), GFP_KERNEL);
+	hda_priv = devm_kzalloc(sdev->dev, sizeof(*hda_priv), GFP_KERNEL);
 	if (!hda_priv)
 		return -ENOMEM;
 
@@ -82,8 +81,7 @@ static int hda_codec_probe(struct snd_sof_dev *sdev, int address)
 
 	return 0;
 #else
-	/* snd_hdac_ext_bus_device_exit will use kfree to free hdev */
-	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
+	hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
 	if (!hdev)
 		return -ENOMEM;
 
diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c
index b778dffb2d25..49daf1390dac 100644
--- a/sound/soc/sof/sof-pci-dev.c
+++ b/sound/soc/sof/sof-pci-dev.c
@@ -203,6 +203,9 @@ static void sof_pci_probe_complete(struct device *dev)
 	 */
 	pm_runtime_allow(dev);
 
+	/* mark last_busy for pm_runtime to make sure not suspend immediately */
+	pm_runtime_mark_last_busy(dev);
+
 	/* follow recommendation in pci-driver.c to decrement usage counter */
 	pm_runtime_put_noidle(dev);
 }
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index fd7c37596f21..1d946a192708 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -219,10 +219,11 @@ static const struct sun4i_i2s_clk_div sun4i_i2s_mclk_div[] = {
 };
 
 static int sun4i_i2s_get_bclk_div(struct sun4i_i2s *i2s,
-				  unsigned int oversample_rate,
+				  unsigned long parent_rate,
+				  unsigned int sampling_rate,
 				  unsigned int word_size)
 {
-	int div = oversample_rate / word_size / 2;
+	int div = parent_rate / sampling_rate / word_size / 2;
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(sun4i_i2s_bclk_div); i++) {
@@ -312,8 +313,8 @@ static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai,
 		return -EINVAL;
 	}
 
-	bclk_div = sun4i_i2s_get_bclk_div(i2s, oversample_rate,
-					  word_size);
+	bclk_div = sun4i_i2s_get_bclk_div(i2s, i2s->mclk_freq,
+					  rate, word_size);
 	if (bclk_div < 0) {
 		dev_err(dai->dev, "Unsupported BCLK divider: %d\n", bclk_div);
 		return -EINVAL;
diff --git a/sound/soc/uniphier/aio-cpu.c b/sound/soc/uniphier/aio-cpu.c
index ee90e6c3937c..2ae582a99b63 100644
--- a/sound/soc/uniphier/aio-cpu.c
+++ b/sound/soc/uniphier/aio-cpu.c
@@ -424,8 +424,11 @@ int uniphier_aio_dai_suspend(struct snd_soc_dai *dai)
 {
 	struct uniphier_aio *aio = uniphier_priv(dai);
 
-	reset_control_assert(aio->chip->rst);
-	clk_disable_unprepare(aio->chip->clk);
+	aio->chip->num_wup_aios--;
+	if (!aio->chip->num_wup_aios) {
+		reset_control_assert(aio->chip->rst);
+		clk_disable_unprepare(aio->chip->clk);
+	}
 
 	return 0;
 }
@@ -439,13 +442,15 @@ int uniphier_aio_dai_resume(struct snd_soc_dai *dai)
 	if (!aio->chip->active)
 		return 0;
 
-	ret = clk_prepare_enable(aio->chip->clk);
-	if (ret)
-		return ret;
+	if (!aio->chip->num_wup_aios) {
+		ret = clk_prepare_enable(aio->chip->clk);
+		if (ret)
+			return ret;
 
-	ret = reset_control_deassert(aio->chip->rst);
-	if (ret)
-		goto err_out_clock;
+		ret = reset_control_deassert(aio->chip->rst);
+		if (ret)
+			goto err_out_clock;
+	}
 
 	aio_iecout_set_enable(aio->chip, true);
 	aio_chip_init(aio->chip);
@@ -458,7 +463,7 @@ int uniphier_aio_dai_resume(struct snd_soc_dai *dai)
 
 		ret = aio_init(sub);
 		if (ret)
-			goto err_out_clock;
+			goto err_out_reset;
 
 		if (!sub->setting)
 			continue;
@@ -466,11 +471,16 @@ int uniphier_aio_dai_resume(struct snd_soc_dai *dai)
 		aio_port_reset(sub);
 		aio_src_reset(sub);
 	}
+	aio->chip->num_wup_aios++;
 
 	return 0;
 
+err_out_reset:
+	if (!aio->chip->num_wup_aios)
+		reset_control_assert(aio->chip->rst);
 err_out_clock:
-	clk_disable_unprepare(aio->chip->clk);
+	if (!aio->chip->num_wup_aios)
+		clk_disable_unprepare(aio->chip->clk);
 
 	return ret;
 }
@@ -619,6 +629,7 @@ int uniphier_aio_probe(struct platform_device *pdev)
 		return PTR_ERR(chip->rst);
 
 	chip->num_aios = chip->chip_spec->num_dais;
+	chip->num_wup_aios = chip->num_aios;
 	chip->aios = devm_kcalloc(dev,
 				  chip->num_aios, sizeof(struct uniphier_aio),
 				  GFP_KERNEL);
diff --git a/sound/soc/uniphier/aio.h b/sound/soc/uniphier/aio.h
index ca6ccbae0ee8..a7ff7e556429 100644
--- a/sound/soc/uniphier/aio.h
+++ b/sound/soc/uniphier/aio.h
@@ -285,6 +285,7 @@ struct uniphier_aio_chip {
 
 	struct uniphier_aio *aios;
 	int num_aios;
+	int num_wup_aios;
 	struct uniphier_aio_pll *plls;
 	int num_plls;
 
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index e4bbf79de956..33cd26763c0e 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -457,6 +457,7 @@ static int set_sync_endpoint(struct snd_usb_substream *subs,
 	}
 	ep = get_endpoint(alts, 1)->bEndpointAddress;
 	if (get_endpoint(alts, 0)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
+	    get_endpoint(alts, 0)->bSynchAddress != 0 &&
 	    ((is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress | USB_DIR_IN)) ||
 	     (!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)))) {
 		dev_err(&dev->dev,
diff --git a/tools/include/uapi/asm/bitsperlong.h b/tools/include/uapi/asm/bitsperlong.h
index 57aaeaf8e192..edba4d93e9e6 100644
--- a/tools/include/uapi/asm/bitsperlong.h
+++ b/tools/include/uapi/asm/bitsperlong.h
@@ -1,22 +1,22 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #if defined(__i386__) || defined(__x86_64__)
-#include "../../arch/x86/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/x86/include/uapi/asm/bitsperlong.h"
 #elif defined(__aarch64__)
-#include "../../arch/arm64/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/arm64/include/uapi/asm/bitsperlong.h"
 #elif defined(__powerpc__)
-#include "../../arch/powerpc/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/powerpc/include/uapi/asm/bitsperlong.h"
 #elif defined(__s390__)
-#include "../../arch/s390/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/s390/include/uapi/asm/bitsperlong.h"
 #elif defined(__sparc__)
-#include "../../arch/sparc/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/sparc/include/uapi/asm/bitsperlong.h"
 #elif defined(__mips__)
-#include "../../arch/mips/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/mips/include/uapi/asm/bitsperlong.h"
 #elif defined(__ia64__)
-#include "../../arch/ia64/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/ia64/include/uapi/asm/bitsperlong.h"
 #elif defined(__riscv)
-#include "../../arch/riscv/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/riscv/include/uapi/asm/bitsperlong.h"
 #elif defined(__alpha__)
-#include "../../arch/alpha/include/uapi/asm/bitsperlong.h"
+#include "../../../arch/alpha/include/uapi/asm/bitsperlong.h"
 #else
 #include <asm-generic/bitsperlong.h>
 #endif
diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index 3292c290654f..86ce17a1f7fb 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -62,15 +62,15 @@ set_plugin_dir := 1
 
 # Set plugin_dir to preffered global plugin location
 # If we install under $HOME directory we go under
-# $(HOME)/.traceevent/plugins
+# $(HOME)/.local/lib/traceevent/plugins
 #
 # We dont set PLUGIN_DIR in case we install under $HOME
 # directory, because by default the code looks under:
-# $(HOME)/.traceevent/plugins by default.
+# $(HOME)/.local/lib/traceevent/plugins by default.
 #
 ifeq ($(plugin_dir),)
 ifeq ($(prefix),$(HOME))
-override plugin_dir = $(HOME)/.traceevent/plugins
+override plugin_dir = $(HOME)/.local/lib/traceevent/plugins
 set_plugin_dir := 0
 else
 override plugin_dir = $(libdir)/traceevent/plugins
diff --git a/tools/lib/traceevent/event-plugin.c b/tools/lib/traceevent/event-plugin.c
index 8ca28de9337a..e1f7ddd5a6cf 100644
--- a/tools/lib/traceevent/event-plugin.c
+++ b/tools/lib/traceevent/event-plugin.c
@@ -18,7 +18,7 @@
 #include "event-utils.h"
 #include "trace-seq.h"
 
-#define LOCAL_PLUGIN_DIR ".traceevent/plugins"
+#define LOCAL_PLUGIN_DIR ".local/lib/traceevent/plugins/"
 
 static struct registered_plugin_options {
 	struct registered_plugin_options	*next;
diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c
index 865a9762f22e..3f84403c0983 100644
--- a/tools/perf/arch/x86/util/kvm-stat.c
+++ b/tools/perf/arch/x86/util/kvm-stat.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <errno.h>
-#include "../../util/kvm-stat.h"
-#include "../../util/evsel.h"
+#include "../../../util/kvm-stat.h"
+#include "../../../util/evsel.h"
 #include <asm/svm.h>
 #include <asm/vmx.h>
 #include <asm/kvm.h>
diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c
index 950539f9a4f7..b1eb963b4a6e 100644
--- a/tools/perf/arch/x86/util/tsc.c
+++ b/tools/perf/arch/x86/util/tsc.c
@@ -5,10 +5,10 @@
 #include <linux/stddef.h>
 #include <linux/perf_event.h>
 
-#include "../../perf.h"
+#include "../../../perf.h"
 #include <linux/types.h>
-#include "../../util/debug.h"
-#include "../../util/tsc.h"
+#include "../../../util/debug.h"
+#include "../../../util/tsc.h"
 
 int perf_read_tsc_conversion(const struct perf_event_mmap_page *pc,
 			     struct perf_tsc_conversion *tc)
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 72df4b6fa36f..4c45cdf38ada 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -440,6 +440,9 @@ int main(int argc, const char **argv)
 
 	srandom(time(NULL));
 
+	/* Setting $PERF_CONFIG makes perf read _only_ the given config file. */
+	config_exclusive_filename = getenv("PERF_CONFIG");
+
 	err = perf_config(perf_default_config, NULL);
 	if (err)
 		return err;
diff --git a/tools/perf/tests/shell/trace+probe_vfs_getname.sh b/tools/perf/tests/shell/trace+probe_vfs_getname.sh
index 147efeb6b195..e97f55ba61c2 100755
--- a/tools/perf/tests/shell/trace+probe_vfs_getname.sh
+++ b/tools/perf/tests/shell/trace+probe_vfs_getname.sh
@@ -31,6 +31,10 @@ if [ $err -ne 0 ] ; then
 	exit $err
 fi
 
+# Do not use whatever ~/.perfconfig file, it may change the output
+# via trace.{show_timestamp,show_prefix,etc}
+export PERF_CONFIG=/dev/null
+
 trace_open_vfs_getname
 err=$?
 rm -f ${file}
diff --git a/tools/perf/trace/beauty/ioctl.c b/tools/perf/trace/beauty/ioctl.c
index 52242fa4072b..e19eb6ea361d 100644
--- a/tools/perf/trace/beauty/ioctl.c
+++ b/tools/perf/trace/beauty/ioctl.c
@@ -21,7 +21,7 @@
 static size_t ioctl__scnprintf_tty_cmd(int nr, int dir, char *bf, size_t size)
 {
 	static const char *ioctl_tty_cmd[] = {
-	"TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW",
+	[_IOC_NR(TCGETS)] = "TCGETS", "TCSETS", "TCSETSW", "TCSETSF", "TCGETA", "TCSETA", "TCSETAW",
 	"TCSETAF", "TCSBRK", "TCXONC", "TCFLSH", "TIOCEXCL", "TIOCNXCL", "TIOCSCTTY",
 	"TIOCGPGRP", "TIOCSPGRP", "TIOCOUTQ", "TIOCSTI", "TIOCGWINSZ", "TIOCSWINSZ",
 	"TIOCMGET", "TIOCMBIS", "TIOCMBIC", "TIOCMSET", "TIOCGSOFTCAR", "TIOCSSOFTCAR",
diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c
index 27cf3ab88d13..f4edb18f67ec 100644
--- a/tools/perf/ui/browsers/scripts.c
+++ b/tools/perf/ui/browsers/scripts.c
@@ -131,8 +131,10 @@ static int list_scripts(char *script_name, bool *custom,
 		int key = ui_browser__input_window("perf script command",
 				"Enter perf script command line (without perf script prefix)",
 				script_args, "", 0);
-		if (key != K_ENTER)
-			return -1;
+		if (key != K_ENTER) {
+			ret = -1;
+			goto out;
+		}
 		sprintf(script_name, "%s script %s", perf, script_args);
 	} else if (choice < num + max_std) {
 		strcpy(script_name, paths[choice]);
diff --git a/tools/perf/ui/helpline.c b/tools/perf/ui/helpline.c
index b3c421429ed4..54bcd08df87e 100644
--- a/tools/perf/ui/helpline.c
+++ b/tools/perf/ui/helpline.c
@@ -3,10 +3,10 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "../debug.h"
+#include "../util/debug.h"
 #include "helpline.h"
 #include "ui.h"
-#include "../util.h"
+#include "../util/util.h"
 
 char ui_helpline__current[512];
 
diff --git a/tools/perf/ui/util.c b/tools/perf/ui/util.c
index 63bf06e80ab9..9ed76e88a3e4 100644
--- a/tools/perf/ui/util.c
+++ b/tools/perf/ui/util.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "util.h"
-#include "../debug.h"
+#include "../util/debug.h"
 
 
 /*
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index a474ede17cd6..001bb444d205 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -21,6 +21,7 @@
 #include "bpf-event.h"
 #include <signal.h>
 #include <unistd.h>
+#include <sched.h>
 
 #include "parse-events.h"
 #include <subcmd/parse-options.h>
@@ -1870,6 +1871,14 @@ static void *perf_evlist__poll_thread(void *arg)
 	struct perf_evlist *evlist = arg;
 	bool draining = false;
 	int i, done = 0;
+	/*
+	 * In order to read symbols from other namespaces perf to needs to call
+	 * setns(2).  This isn't permitted if the struct_fs has multiple users.
+	 * unshare(2) the fs so that we may continue to setns into namespaces
+	 * that we're observing when, for instance, reading the build-ids at
+	 * the end of a 'perf record' session.
+	 */
+	unshare(CLONE_FS);
 
 	while (!done) {
 		bool got_data = false;
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index abe9af867967..1bc72fe47c2d 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2205,8 +2205,10 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused)
 	/* On s390 the socket_id number is not related to the numbers of cpus.
 	 * The socket_id number might be higher than the numbers of cpus.
 	 * This depends on the configuration.
+	 * AArch64 is the same.
 	 */
-	if (ph->env.arch && !strncmp(ph->env.arch, "s390", 4))
+	if (ph->env.arch && (!strncmp(ph->env.arch, "s390", 4)
+			  || !strncmp(ph->env.arch, "aarch64", 7)))
 		do_core_id_test = false;
 
 	for (i = 0; i < (u32)cpu_nr; i++) {
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 7ace7a10054d..966c248d6a3a 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -193,7 +193,10 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 	hists__new_col_len(hists, HISTC_MEM_LVL, 21 + 3);
 	hists__new_col_len(hists, HISTC_LOCAL_WEIGHT, 12);
 	hists__new_col_len(hists, HISTC_GLOBAL_WEIGHT, 12);
-	hists__new_col_len(hists, HISTC_TIME, 12);
+	if (symbol_conf.nanosecs)
+		hists__new_col_len(hists, HISTC_TIME, 16);
+	else
+		hists__new_col_len(hists, HISTC_TIME, 12);
 
 	if (h->srcline) {
 		len = MAX(strlen(h->srcline), strlen(sort_srcline.se_header));
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 9c81ee092784..3fc32c7075d1 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -641,6 +641,7 @@ struct map_groups *map_groups__new(struct machine *machine)
 void map_groups__delete(struct map_groups *mg)
 {
 	map_groups__exit(mg);
+	unwind__finish_access(mg);
 	free(mg);
 }
 
@@ -881,7 +882,7 @@ int map_groups__clone(struct thread *thread, struct map_groups *parent)
 		if (new == NULL)
 			goto out_unlock;
 
-		err = unwind__prepare_access(thread, new, NULL);
+		err = unwind__prepare_access(mg, new, NULL);
 		if (err)
 			goto out_unlock;
 
diff --git a/tools/perf/util/map_groups.h b/tools/perf/util/map_groups.h
index 4dcda33e0fdf..db1e4ffc2276 100644
--- a/tools/perf/util/map_groups.h
+++ b/tools/perf/util/map_groups.h
@@ -31,6 +31,10 @@ struct map_groups {
 	struct maps	 maps;
 	struct machine	 *machine;
 	refcount_t	 refcnt;
+#ifdef HAVE_LIBUNWIND_SUPPORT
+	void				*addr_space;
+	struct unwind_libunwind_ops	*unwind_libunwind_ops;
+#endif
 };
 
 #define KMAP_NAME_LEN 256
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 4a9f88d9b7ab..12608f14c991 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -105,7 +105,6 @@ void thread__delete(struct thread *thread)
 	}
 	up_write(&thread->comm_lock);
 
-	unwind__finish_access(thread);
 	nsinfo__zput(thread->nsinfo);
 	srccode_state_free(&thread->srccode_state);
 
@@ -235,7 +234,7 @@ static int ____thread__set_comm(struct thread *thread, const char *str,
 		list_add(&new->list, &thread->comm_list);
 
 		if (exec)
-			unwind__flush_access(thread);
+			unwind__flush_access(thread->mg);
 	}
 
 	thread->comm_set = true;
@@ -315,7 +314,7 @@ int thread__insert_map(struct thread *thread, struct map *map)
 {
 	int ret;
 
-	ret = unwind__prepare_access(thread, map, NULL);
+	ret = unwind__prepare_access(thread->mg, map, NULL);
 	if (ret)
 		return ret;
 
@@ -335,7 +334,7 @@ static int __thread__prepare_access(struct thread *thread)
 	down_read(&maps->lock);
 
 	for (map = maps__first(maps); map; map = map__next(map)) {
-		err = unwind__prepare_access(thread, map, &initialized);
+		err = unwind__prepare_access(thread->mg, map, &initialized);
 		if (err || initialized)
 			break;
 	}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index cf8375c017a0..6e5dd445bafd 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -44,10 +44,6 @@ struct thread {
 	struct thread_stack	*ts;
 	struct nsinfo		*nsinfo;
 	struct srccode_state	srccode_state;
-#ifdef HAVE_LIBUNWIND_SUPPORT
-	void				*addr_space;
-	struct unwind_libunwind_ops	*unwind_libunwind_ops;
-#endif
 	bool			filter;
 	int			filter_entry_depth;
 };
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 25e1406b1f8b..da59672b566d 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -615,26 +615,26 @@ static unw_accessors_t accessors = {
 	.get_proc_name		= get_proc_name,
 };
 
-static int _unwind__prepare_access(struct thread *thread)
+static int _unwind__prepare_access(struct map_groups *mg)
 {
-	thread->addr_space = unw_create_addr_space(&accessors, 0);
-	if (!thread->addr_space) {
+	mg->addr_space = unw_create_addr_space(&accessors, 0);
+	if (!mg->addr_space) {
 		pr_err("unwind: Can't create unwind address space.\n");
 		return -ENOMEM;
 	}
 
-	unw_set_caching_policy(thread->addr_space, UNW_CACHE_GLOBAL);
+	unw_set_caching_policy(mg->addr_space, UNW_CACHE_GLOBAL);
 	return 0;
 }
 
-static void _unwind__flush_access(struct thread *thread)
+static void _unwind__flush_access(struct map_groups *mg)
 {
-	unw_flush_cache(thread->addr_space, 0, 0);
+	unw_flush_cache(mg->addr_space, 0, 0);
 }
 
-static void _unwind__finish_access(struct thread *thread)
+static void _unwind__finish_access(struct map_groups *mg)
 {
-	unw_destroy_addr_space(thread->addr_space);
+	unw_destroy_addr_space(mg->addr_space);
 }
 
 static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
@@ -659,7 +659,7 @@ static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
 	 */
 	if (max_stack - 1 > 0) {
 		WARN_ONCE(!ui->thread, "WARNING: ui->thread is NULL");
-		addr_space = ui->thread->addr_space;
+		addr_space = ui->thread->mg->addr_space;
 
 		if (addr_space == NULL)
 			return -1;
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index c0811977d7d5..b843f9d0a9ea 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -11,13 +11,13 @@ struct unwind_libunwind_ops __weak *local_unwind_libunwind_ops;
 struct unwind_libunwind_ops __weak *x86_32_unwind_libunwind_ops;
 struct unwind_libunwind_ops __weak *arm64_unwind_libunwind_ops;
 
-static void unwind__register_ops(struct thread *thread,
+static void unwind__register_ops(struct map_groups *mg,
 			  struct unwind_libunwind_ops *ops)
 {
-	thread->unwind_libunwind_ops = ops;
+	mg->unwind_libunwind_ops = ops;
 }
 
-int unwind__prepare_access(struct thread *thread, struct map *map,
+int unwind__prepare_access(struct map_groups *mg, struct map *map,
 			   bool *initialized)
 {
 	const char *arch;
@@ -28,7 +28,7 @@ int unwind__prepare_access(struct thread *thread, struct map *map,
 	if (!dwarf_callchain_users)
 		return 0;
 
-	if (thread->addr_space) {
+	if (mg->addr_space) {
 		pr_debug("unwind: thread map already set, dso=%s\n",
 			 map->dso->name);
 		if (initialized)
@@ -37,14 +37,14 @@ int unwind__prepare_access(struct thread *thread, struct map *map,
 	}
 
 	/* env->arch is NULL for live-mode (i.e. perf top) */
-	if (!thread->mg->machine->env || !thread->mg->machine->env->arch)
+	if (!mg->machine->env || !mg->machine->env->arch)
 		goto out_register;
 
-	dso_type = dso__type(map->dso, thread->mg->machine);
+	dso_type = dso__type(map->dso, mg->machine);
 	if (dso_type == DSO__TYPE_UNKNOWN)
 		return 0;
 
-	arch = perf_env__arch(thread->mg->machine->env);
+	arch = perf_env__arch(mg->machine->env);
 
 	if (!strcmp(arch, "x86")) {
 		if (dso_type != DSO__TYPE_64BIT)
@@ -59,37 +59,37 @@ int unwind__prepare_access(struct thread *thread, struct map *map,
 		return 0;
 	}
 out_register:
-	unwind__register_ops(thread, ops);
+	unwind__register_ops(mg, ops);
 
-	err = thread->unwind_libunwind_ops->prepare_access(thread);
+	err = mg->unwind_libunwind_ops->prepare_access(mg);
 	if (initialized)
 		*initialized = err ? false : true;
 	return err;
 }
 
-void unwind__flush_access(struct thread *thread)
+void unwind__flush_access(struct map_groups *mg)
 {
 	if (!dwarf_callchain_users)
 		return;
 
-	if (thread->unwind_libunwind_ops)
-		thread->unwind_libunwind_ops->flush_access(thread);
+	if (mg->unwind_libunwind_ops)
+		mg->unwind_libunwind_ops->flush_access(mg);
 }
 
-void unwind__finish_access(struct thread *thread)
+void unwind__finish_access(struct map_groups *mg)
 {
 	if (!dwarf_callchain_users)
 		return;
 
-	if (thread->unwind_libunwind_ops)
-		thread->unwind_libunwind_ops->finish_access(thread);
+	if (mg->unwind_libunwind_ops)
+		mg->unwind_libunwind_ops->finish_access(mg);
 }
 
 int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
 			 struct thread *thread,
 			 struct perf_sample *data, int max_stack)
 {
-	if (thread->unwind_libunwind_ops)
-		return thread->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack);
+	if (thread->mg->unwind_libunwind_ops)
+		return thread->mg->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack);
 	return 0;
 }
diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h
index 8a44a1569a21..3a7d00c20d86 100644
--- a/tools/perf/util/unwind.h
+++ b/tools/perf/util/unwind.h
@@ -6,6 +6,7 @@
 #include <linux/types.h>
 
 struct map;
+struct map_groups;
 struct perf_sample;
 struct symbol;
 struct thread;
@@ -19,9 +20,9 @@ struct unwind_entry {
 typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg);
 
 struct unwind_libunwind_ops {
-	int (*prepare_access)(struct thread *thread);
-	void (*flush_access)(struct thread *thread);
-	void (*finish_access)(struct thread *thread);
+	int (*prepare_access)(struct map_groups *mg);
+	void (*flush_access)(struct map_groups *mg);
+	void (*finish_access)(struct map_groups *mg);
 	int (*get_entries)(unwind_entry_cb_t cb, void *arg,
 			   struct thread *thread,
 			   struct perf_sample *data, int max_stack);
@@ -46,20 +47,20 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
 #endif
 
 int LIBUNWIND__ARCH_REG_ID(int regnum);
-int unwind__prepare_access(struct thread *thread, struct map *map,
+int unwind__prepare_access(struct map_groups *mg, struct map *map,
 			   bool *initialized);
-void unwind__flush_access(struct thread *thread);
-void unwind__finish_access(struct thread *thread);
+void unwind__flush_access(struct map_groups *mg);
+void unwind__finish_access(struct map_groups *mg);
 #else
-static inline int unwind__prepare_access(struct thread *thread __maybe_unused,
+static inline int unwind__prepare_access(struct map_groups *mg __maybe_unused,
 					 struct map *map __maybe_unused,
 					 bool *initialized __maybe_unused)
 {
 	return 0;
 }
 
-static inline void unwind__flush_access(struct thread *thread __maybe_unused) {}
-static inline void unwind__finish_access(struct thread *thread __maybe_unused) {}
+static inline void unwind__flush_access(struct map_groups *mg __maybe_unused) {}
+static inline void unwind__finish_access(struct map_groups *mg __maybe_unused) {}
 #endif
 #else
 static inline int
@@ -72,14 +73,14 @@ unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,
 	return 0;
 }
 
-static inline int unwind__prepare_access(struct thread *thread __maybe_unused,
+static inline int unwind__prepare_access(struct map_groups *mg __maybe_unused,
 					 struct map *map __maybe_unused,
 					 bool *initialized __maybe_unused)
 {
 	return 0;
 }
 
-static inline void unwind__flush_access(struct thread *thread __maybe_unused) {}
-static inline void unwind__finish_access(struct thread *thread __maybe_unused) {}
+static inline void unwind__flush_access(struct map_groups *mg __maybe_unused) {}
+static inline void unwind__finish_access(struct map_groups *mg __maybe_unused) {}
 #endif /* HAVE_DWARF_UNWIND_SUPPORT */
 #endif /* __UNWIND_H */
diff --git a/tools/perf/util/xyarray.h b/tools/perf/util/xyarray.h
index 7ffe562e7ae7..2627b038b6f2 100644
--- a/tools/perf/util/xyarray.h
+++ b/tools/perf/util/xyarray.h
@@ -2,6 +2,7 @@
 #ifndef _PERF_XYARRAY_H_
 #define _PERF_XYARRAY_H_ 1
 
+#include <linux/compiler.h>
 #include <sys/types.h>
 
 struct xyarray {
@@ -10,7 +11,7 @@ struct xyarray {
 	size_t entries;
 	size_t max_x;
 	size_t max_y;
-	char contents[];
+	char contents[] __aligned(8);
 };
 
 struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index 9457aaeae092..df7a55d94b75 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -9,13 +9,15 @@ ret=0
 ksft_skip=4
 
 # all tests in this script. Can be overridden with -t option
-TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw"
+TESTS="unregister down carrier nexthop suppress ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw"
 
 VERBOSE=0
 PAUSE_ON_FAIL=no
 PAUSE=no
 IP="ip -netns ns1"
 
+which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
+
 log_test()
 {
 	local rc=$1
@@ -582,6 +584,20 @@ fib_nexthop_test()
 	cleanup
 }
 
+fib_suppress_test()
+{
+	$IP link add dummy1 type dummy
+	$IP link set dummy1 up
+	$IP -6 route add default dev dummy1
+	$IP -6 rule add table main suppress_prefixlength 0
+	ping -f -c 1000 -W 1 1234::1 || true
+	$IP -6 rule del table main suppress_prefixlength 0
+	$IP link del dummy1
+
+	# If we got here without crashing, we're good.
+	return 0
+}
+
 ################################################################################
 # Tests on route add and replace
 
@@ -1054,7 +1070,7 @@ ipv6_route_metrics_test()
 	log_test $rc 0 "Multipath route with mtu metric"
 
 	$IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300
-	run_cmd "ip netns exec ns1 ping6 -w1 -c1 -s 1500 2001:db8:104::1"
+	run_cmd "ip netns exec ns1 ${ping6} -w1 -c1 -s 1500 2001:db8:104::1"
 	log_test $? 0 "Using route with mtu metric"
 
 	run_cmd "$IP -6 ro add 2001:db8:114::/64 via  2001:db8:101::2  congctl lock foo"
@@ -1558,6 +1574,7 @@ do
 	fib_down_test|down)		fib_down_test;;
 	fib_carrier_test|carrier)	fib_carrier_test;;
 	fib_nexthop_test|nexthop)	fib_nexthop_test;;
+	fib_suppress_test|suppress)	fib_suppress_test;;
 	ipv6_route_test|ipv6_rt)	ipv6_route_test;;
 	ipv4_route_test|ipv4_rt)	ipv4_route_test;;
 	ipv6_addr_metric)		ipv6_addr_metric_test;;
