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| author | Nicholas Piggin <npiggin@gmail.com> | 2017-08-01 22:00:51 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-08-10 22:30:00 +1000 |
| commit | f886f0f6e0e20d53dc36421c2ee83fb9277554af (patch) | |
| tree | ef5f8e70c9da4c515441726464ced6aef3354ae2 /arch/powerpc/kernel/traps.c | |
| parent | 1a367063ca0c1c6f6f54b5abd7b4836b0866a07b (diff) | |
| download | linux-f886f0f6e0e20d53dc36421c2ee83fb9277554af.tar.gz | |
powerpc/64s: Fix mce accounting for powernv
On 64-bit Book3s, when we're in HV mode, we have already counted the
machine check exception in machine_check_early().
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Use IS_ENABLED() rather than an #ifdef]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index bfcfd9ef09f20a..d42c567e3c2927 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -755,7 +755,9 @@ void machine_check_exception(struct pt_regs *regs) enum ctx_state prev_state = exception_enter(); int recover = 0; - __this_cpu_inc(irq_stat.mce_exceptions); + /* 64s accounts the mce in machine_check_early when in HVMODE */ + if (!IS_ENABLED(CONFIG_PPC_BOOK3S_64) || !cpu_has_feature(CPU_FTR_HVMODE)) + __this_cpu_inc(irq_stat.mce_exceptions); add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE); |