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EDAC, mce_amd: Don't report poison bit on Fam15h, bank 4 

MCA_STATUS[43] has been defined as "Poison" or "Reserved" for every bank
since Fam15h except for Fam15h, bank 4 in which case it's defined as
part of the McaStatSubCache bitfield.

Filter out that case.

Reported-by: Dean Liberty <Dean.Liberty@amd.com>
Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Cc: Aravind Gopalakrishnan <aravindksg.lkml@gmail.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: x86-ml <x86@kernel.org>
Link: http://lkml.kernel.org/r/1479478222-19896-1-git-send-email-Yazen.Ghannam@amd.com
[ Split an almost unparseable ternary conditional, add a comment. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Yazen Ghannam 2016-11-18 09:10:22 -05:00 committed by Borislav Petkov
parent b64ce7cd7f
commit a6c14dce85
1 changed files with 7 additions and 4 deletions
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11
drivers/edac/mce_amd.c
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@ -964,10 +964,13 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
((m->status & MCI_STATUS_PCC) ? "PCC" : "-"),
((m->status & MCI_STATUS_ADDRV) ? "AddrV" : "-"));
if (c->x86 >= 0x15)
pr_cont("|%s|%s",
((m->status & MCI_STATUS_DEFERRED) ? "Deferred" : "-"),
((m->status & MCI_STATUS_POISON) ? "Poison" : "-"));
if (c->x86 >= 0x15) {
pr_cont("|%s", (m->status & MCI_STATUS_DEFERRED ? "Deferred" : "-"));
/* F15h, bank4, bit 43 is part of McaStatSubCache. */
if (c->x86 != 0x15 || m->bank != 4)
pr_cont("|%s", (m->status & MCI_STATUS_POISON ? "Poison" : "-"));
}
if (boot_cpu_has(X86_FEATURE_SMCA)) {
u32 low, high;