Subject: [PATCH v2 1/4] powerpc/64s: fix mce accounting for powernv

From: Nicholas Piggin <[email-masked]>
Date: Tue, 1 Aug 2017 22:00:51 +1000

---
 arch/powerpc/kernel/traps.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index bfcfd9ef09f2..5adfea2dc822 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -755,7 +755,14 @@ void machine_check_exception(struct pt_regs *regs)
 	enum ctx_state prev_state = exception_enter();
 	int recover = 0;
 
+#ifdef CONFIG_PPC_BOOK3S_64
+	/* 64s accounts the mce in machine_check_early when in HVMODE */
+	if (!cpu_has_feature(CPU_FTR_HVMODE))
+		__this_cpu_inc(irq_stat.mce_exceptions);
+#else
 	__this_cpu_inc(irq_stat.mce_exceptions);
+#endif
+
 
 	add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
 
-- 
2.11.0