diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 9c3c9f04129f..d22b222ba471 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -99,6 +99,8 @@ struct machdep_calls {
 	/* Called during machine check exception to retrive fixup address. */
 	bool		(*mce_check_early_recovery)(struct pt_regs *regs);
 
+	void            (*machine_check_log_err)(void);
+
 	/* Motherboard/chipset features. This is a kind of general purpose
 	 * hook used to control some machine specific features (like reset
 	 * lines, chip power control, etc...).
diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h
index 331d944280b8..6e306aaf58aa 100644
--- a/arch/powerpc/include/asm/mce.h
+++ b/arch/powerpc/include/asm/mce.h
@@ -235,8 +235,10 @@ extern void machine_check_print_event_info(struct machine_check_event *evt,
 unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr);
 extern void mce_common_process_ue(struct pt_regs *regs,
 				  struct mce_error_info *mce_err);
+void machine_check_raise_dec_intr(void);
 int mce_register_notifier(struct notifier_block *nb);
 int mce_unregister_notifier(struct notifier_block *nb);
+void mce_run_late_handlers(void);
 #ifdef CONFIG_PPC_BOOK3S_64
 void flush_and_reload_slb(void);
 void flush_erat(void);
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index dc05a862e72a..d463c796f7fa 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -280,6 +280,7 @@ struct paca_struct {
 #endif
 #ifdef CONFIG_PPC_BOOK3S_64
 	struct mce_info *mce_info;
+	u32 mces_to_process;
 #endif /* CONFIG_PPC_BOOK3S_64 */
 } ____cacheline_aligned;
 
diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index fd829f7f25a4..8e17f29472a0 100644
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -28,19 +28,9 @@
 
 #include "setup.h"
 
-static void machine_check_process_queued_event(struct irq_work *work);
-static void machine_check_ue_irq_work(struct irq_work *work);
 static void machine_check_ue_event(struct machine_check_event *evt);
 static void machine_process_ue_event(struct work_struct *work);
 
-static struct irq_work mce_event_process_work = {
-        .func = machine_check_process_queued_event,
-};
-
-static struct irq_work mce_ue_event_irq_work = {
-	.func = machine_check_ue_irq_work,
-};
-
 static DECLARE_WORK(mce_ue_event_work, machine_process_ue_event);
 
 static BLOCKING_NOTIFIER_HEAD(mce_notifier_list);
@@ -89,6 +79,12 @@ static void mce_set_error_info(struct machine_check_event *mce,
 	}
 }
 
+/* Raise decrementer interrupt */
+void machine_check_raise_dec_intr(void)
+{
+	arch_irq_work_raise();
+}
+
 /*
  * Decode and save high level MCE information into per cpu buffer which
  * is an array of machine_check_event structure.
@@ -135,6 +131,8 @@ void save_mce_event(struct pt_regs *regs, long handled,
 	if (mce->error_type == MCE_ERROR_TYPE_UE)
 		mce->u.ue_error.ignore_event = mce_err->ignore_event;
 
+	local_paca->mces_to_process++;
+
 	if (!addr)
 		return;
 
@@ -217,7 +215,7 @@ void release_mce_event(void)
 	get_mce_event(NULL, true);
 }
 
-static void machine_check_ue_irq_work(struct irq_work *work)
+static void machine_check_ue_work(void)
 {
 	schedule_work(&mce_ue_event_work);
 }
@@ -239,7 +237,7 @@ static void machine_check_ue_event(struct machine_check_event *evt)
 	       evt, sizeof(*evt));
 
 	/* Queue work to process this event later. */
-	irq_work_queue(&mce_ue_event_irq_work);
+	machine_check_raise_dec_intr();
 }
 
 /*
@@ -249,7 +247,6 @@ void machine_check_queue_event(void)
 {
 	int index;
 	struct machine_check_event evt;
-	unsigned long msr;
 
 	if (!get_mce_event(&evt, MCE_EVENT_RELEASE))
 		return;
@@ -263,20 +260,7 @@ void machine_check_queue_event(void)
 	memcpy(&local_paca->mce_info->mce_event_queue[index],
 	       &evt, sizeof(evt));
 
-	/*
-	 * Queue irq work to process this event later. Before
-	 * queuing the work enable translation for non radix LPAR,
-	 * as irq_work_queue may try to access memory outside RMO
-	 * region.
-	 */
-	if (!radix_enabled() && firmware_has_feature(FW_FEATURE_LPAR)) {
-		msr = mfmsr();
-		mtmsr(msr | MSR_IR | MSR_DR);
-		irq_work_queue(&mce_event_process_work);
-		mtmsr(msr);
-	} else {
-		irq_work_queue(&mce_event_process_work);
-	}
+	machine_check_raise_dec_intr();
 }
 
 void mce_common_process_ue(struct pt_regs *regs,
@@ -338,7 +322,7 @@ static void machine_process_ue_event(struct work_struct *work)
  * process pending MCE event from the mce event queue. This function will be
  * called during syscall exit.
  */
-static void machine_check_process_queued_event(struct irq_work *work)
+static void machine_check_process_queued_event(void)
 {
 	int index;
 	struct machine_check_event *evt;
@@ -363,6 +347,17 @@ static void machine_check_process_queued_event(struct irq_work *work)
 	}
 }
 
+void mce_run_late_handlers(void)
+{
+	if (unlikely(local_paca->mces_to_process)) {
+		if (ppc_md.machine_check_log_err)
+			ppc_md.machine_check_log_err();
+		machine_check_process_queued_event();
+		machine_check_ue_work();
+		local_paca->mces_to_process--;
+	}
+}
+
 void machine_check_print_event_info(struct machine_check_event *evt,
 				    bool user_mode, bool in_guest)
 {
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index cae8f03a44fe..94c591b6f9d2 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -594,6 +594,9 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt)
 
 	if (test_irq_work_pending()) {
 		clear_irq_work_pending();
+#ifdef CONFIG_PPC_BOOK3S_64
+		mce_run_late_handlers();
+#endif
 		irq_work_run();
 	}
 
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index 3544778e06d0..9cf0d33dfbf5 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -21,6 +21,7 @@ struct pt_regs;
 extern int pSeries_system_reset_exception(struct pt_regs *regs);
 extern int pSeries_machine_check_exception(struct pt_regs *regs);
 extern long pseries_machine_check_realmode(struct pt_regs *regs);
+void pSeries_machine_check_log_err(void);
 
 #ifdef CONFIG_SMP
 extern void smp_init_pseries(void);
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 56092dccfdb8..8613f9cc5798 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -23,11 +23,6 @@ static DEFINE_SPINLOCK(ras_log_buf_lock);
 
 static int ras_check_exception_token;
 
-static void mce_process_errlog_event(struct irq_work *work);
-static struct irq_work mce_errlog_process_work = {
-	.func = mce_process_errlog_event,
-};
-
 #define EPOW_SENSOR_TOKEN	9
 #define EPOW_SENSOR_INDEX	0
 
@@ -729,40 +724,16 @@ static int mce_handle_error(struct pt_regs *regs, struct rtas_error_log *errp)
 	error_type = mce_log->error_type;
 
 	disposition = mce_handle_err_realmode(disposition, error_type);
-
-	/*
-	 * Enable translation as we will be accessing per-cpu variables
-	 * in save_mce_event() which may fall outside RMO region, also
-	 * leave it enabled because subsequently we will be queuing work
-	 * to workqueues where again per-cpu variables accessed, besides
-	 * fwnmi_release_errinfo() crashes when called in realmode on
-	 * pseries.
-	 * Note: All the realmode handling like flushing SLB entries for
-	 *       SLB multihit is done by now.
-	 */
 out:
-	msr = mfmsr();
-	mtmsr(msr | MSR_IR | MSR_DR);
-
 	disposition = mce_handle_err_virtmode(regs, errp, mce_log,
 					      disposition);
-
-	/*
-	 * Queue irq work to log this rtas event later.
-	 * irq_work_queue uses per-cpu variables, so do this in virt
-	 * mode as well.
-	 */
-	irq_work_queue(&mce_errlog_process_work);
-
-	mtmsr(msr);
-
 	return disposition;
 }
 
 /*
  * Process MCE rtas errlog event.
  */
-static void mce_process_errlog_event(struct irq_work *work)
+void pSeries_machine_check_log_err(void)
 {
 	struct rtas_error_log *err;
 
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 8a62af5b9c24..9bdc487b8e35 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -1084,6 +1084,7 @@ define_machine(pseries) {
 	.system_reset_exception = pSeries_system_reset_exception,
 	.machine_check_early	= pseries_machine_check_realmode,
 	.machine_check_exception = pSeries_machine_check_exception,
+	.machine_check_log_err	= pSeries_machine_check_log_err,
 #ifdef CONFIG_KEXEC_CORE
 	.machine_kexec          = pSeries_machine_kexec,
 	.kexec_cpu_down         = pseries_kexec_cpu_down,
