diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 24709aee69ee0..25424a7468d95 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -99,7 +99,7 @@ config ARM
 	select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU
 	select HAVE_EXIT_THREAD
-	select HAVE_FAST_GUP if ARM_LPAE
+	select HAVE_FAST_GUP if ARM_LPAE && !(PREEMPT_RT && HIGHPTE)
 	select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL
 	select HAVE_FUNCTION_ERROR_INJECTION
 	select HAVE_FUNCTION_GRAPH_TRACER
diff --git a/include/linux/console.h b/include/linux/console.h
index 79ef2fd2bd155..467dee94f73a5 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -311,7 +311,6 @@ struct nbcon_write_context {
  * @nbcon_state:	State for nbcon consoles
  * @nbcon_seq:		Sequence number of the next record for nbcon to print
  * @pbufs:		Pointer to nbcon private buffer
- * @locked_port:	True, if the port lock is locked by nbcon
  * @kthread:		Printer kthread for this console
  * @rcuwait:		RCU-safe wait object for @kthread waking
  * @irq_work:		Defer @kthread waking to IRQ work context
@@ -345,7 +344,6 @@ struct console {
 	atomic_t		__private nbcon_state;
 	atomic_long_t		__private nbcon_seq;
 	struct printk_buffers	*pbufs;
-	bool			locked_port;
 	struct task_struct	*kthread;
 	struct rcuwait		rcuwait;
 	struct irq_work		irq_work;
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 04e9b12d22002..4d45b8f9ec9ee 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -488,6 +488,7 @@ struct uart_port {
 	struct uart_icount	icount;			/* statistics */
 
 	struct console		*cons;			/* struct console, if any */
+	bool			nbcon_locked_port;	/* True, if the port is locked by nbcon */
 	/* flags must be updated while holding port mutex */
 	upf_t			flags;
 
diff --git a/kernel/printk/nbcon.c b/kernel/printk/nbcon.c
index 1b1b585b1675b..b53d93585ee71 100644
--- a/kernel/printk/nbcon.c
+++ b/kernel/printk/nbcon.c
@@ -1586,7 +1586,7 @@ void nbcon_acquire(struct uart_port *up)
 	if (!uart_is_nbcon(up))
 		return;
 
-	WARN_ON_ONCE(con->locked_port);
+	WARN_ON_ONCE(up->nbcon_locked_port);
 
 	do {
 		do {
@@ -1597,7 +1597,7 @@ void nbcon_acquire(struct uart_port *up)
 
 	} while (!nbcon_context_enter_unsafe(&ctxt));
 
-	con->locked_port = true;
+	up->nbcon_locked_port = true;
 }
 EXPORT_SYMBOL_GPL(nbcon_acquire);
 
@@ -1623,13 +1623,13 @@ void nbcon_release(struct uart_port *up)
 		.prio		= NBCON_PRIO_NORMAL,
 	};
 
-	if (!con->locked_port)
+	if (!up->nbcon_locked_port)
 		return;
 
 	if (nbcon_context_exit_unsafe(&ctxt))
 		nbcon_context_release(&ctxt);
 
-	con->locked_port = false;
+	up->nbcon_locked_port = false;
 }
 EXPORT_SYMBOL_GPL(nbcon_release);
 
diff --git a/localversion-rt b/localversion-rt
index 6f206be67cd28..c3054d08a1129 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt1
+-rt2
