[PATCH v2 1/4] powerpc/64s: fix mce accounting for powernv
Nicholas Piggin
npiggin at gmail.com
Tue Aug 1 22:00:51 AEST 2017
---
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
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