x86/MCE: Make correctable error detection look at the Deferred bit

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AMD systems may log Deferred errors. These are errors that are uncorrected
but which do not need immediate action. The MCA_STATUS[UC] bit may not be
set for Deferred errors.

Flag the error as not correctable when MCA_STATUS[Deferred] is set and
do not feed it into the Correctable Errors Collector.

[ bp: Massage commit message. ]

Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20171212165143.27475-1-Yazen.Ghannam@amd.com

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Yazen Ghannam 2017-12-18 12:37:14 +01:00 • committed by Thomas Gleixner

parent c6708d50f1

commit 179eb850ac

1 changed files with 12 additions and 1 deletions

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arch/x86/kernel/cpu/mcheck/mce.c

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