Messages in this thread Patch in this message | | | From | Tony Luck <> | Subject | [PATCHv2] x86, mce: Kernel does full decoding for AMD, others still need /dev/mcelog reports | Date | Fri, 30 Jan 2015 10:16:48 -0800 |
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We should only believe a NOTIFY_STOP on an AMD system. For others we need to provide the error record out to a user level decoder via /dev/mcelog.
Signed-off-by: Tony Luck <tony.luck@intel.com> --- v2: Boris says: "on AMD, mcelog is not needed"
arch/x86/kernel/cpu/mcheck/mce.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index d2c611699cd9..ea1bc1a05c07 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -151,12 +151,13 @@ void mce_log(struct mce *mce) { unsigned next, entry; int ret = 0; + struct cpuinfo_x86 *c = &boot_cpu_data; /* Emit the trace record: */ trace_mce_record(mce); ret = atomic_notifier_call_chain(&x86_mce_decoder_chain, 0, mce); - if (ret == NOTIFY_STOP) + if (c->x86_vendor == X86_VENDOR_AMD && ret == NOTIFY_STOP) return; mce->finished = 0; -- 2.1.0
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