diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h
index a2b8c7b35fbaf040243e3d4678e7a8264a9f038d..8e99edf6d966d8129a7c1e3feef84334fba2b250 100644
--- a/arch/powerpc/include/asm/mce.h
+++ b/arch/powerpc/include/asm/mce.h
@@ -191,7 +191,6 @@ extern void save_mce_event(struct pt_regs *regs, long handled,
 extern int get_mce_event(struct machine_check_event *mce, bool release);
 extern void release_mce_event(void);
 extern void machine_check_queue_event(void);
-extern void machine_check_process_queued_event(void);
 extern void machine_check_print_event_info(struct machine_check_event *evt);
 extern uint64_t get_mce_fault_addr(struct machine_check_event *evt);
 
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 770d6d65c47b62b1d101021ec0e4b063226606dc..bbfb0294b3544072ac22b2fcfee486620ae1479e 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -183,11 +183,6 @@ syscall_exit:
 #ifdef SHOW_SYSCALLS
 	bl	.do_show_syscall_exit
 	ld	r3,RESULT(r1)
-#endif
-#ifdef CONFIG_PPC_BOOK3S_64
-BEGIN_FTR_SECTION
-	bl	.machine_check_process_queued_event
-END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
 #endif
 	CURRENT_THREAD_INFO(r12, r1)
 
diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index c0c52ec1fca7002b996e5b9e60f036a6f55e5f90..cadef7e64e4245e816f0878c63ebab43855c15c2 100644
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -26,6 +26,7 @@
 #include <linux/ptrace.h>
 #include <linux/percpu.h>
 #include <linux/export.h>
+#include <linux/irq_work.h>
 #include <asm/mce.h>
 
 static DEFINE_PER_CPU(int, mce_nest_count);
@@ -35,6 +36,11 @@ static DEFINE_PER_CPU(struct machine_check_event[MAX_MC_EVT], mce_event);
 static DEFINE_PER_CPU(int, mce_queue_count);
 static DEFINE_PER_CPU(struct machine_check_event[MAX_MC_EVT], mce_event_queue);
 
+static void machine_check_process_queued_event(struct irq_work *work);
+struct irq_work mce_event_process_work = {
+        .func = machine_check_process_queued_event,
+};
+
 static void mce_set_error_info(struct machine_check_event *mce,
 			       struct mce_error_info *mce_err)
 {
@@ -185,17 +191,19 @@ void machine_check_queue_event(void)
 		return;
 	}
 	__get_cpu_var(mce_event_queue[index]) = evt;
+
+	/* Queue irq work to process this event later. */
+	irq_work_queue(&mce_event_process_work);
 }
 
 /*
  * process pending MCE event from the mce event queue. This function will be
  * called during syscall exit.
  */
-void machine_check_process_queued_event(void)
+static void machine_check_process_queued_event(struct irq_work *work)
 {
 	int index;
 
-	preempt_disable();
 	/*
 	 * For now just print it to console.
 	 * TODO: log this error event to FSP or nvram.
@@ -206,7 +214,6 @@ void machine_check_process_queued_event(void)
 				&__get_cpu_var(mce_event_queue[index]));
 		__get_cpu_var(mce_queue_count)--;
 	}
-	preempt_enable();
 }
 
 void machine_check_print_event_info(struct machine_check_event *evt)