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| author | Yazen Ghannam <Yazen.Ghannam@amd.com> | 2016-11-18 15:10:22 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2016-11-28 17:50:12 +0100 |
| commit | a6c14dce85e2d0472c4c7c1694034560d1772bc2 (patch) | |
| tree | c8d17312f03c59bb3160d7f9b54cec8bc4ba9a9a /drivers/edac/mce_amd.c | |
| parent | EDAC, amd64: Read MC registers on AMD Fam17h (diff) | |
| download | linux-a6c14dce85e2d0472c4c7c1694034560d1772bc2.tar.xz linux-a6c14dce85e2d0472c4c7c1694034560d1772bc2.zip | |
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>
Diffstat (limited to 'drivers/edac/mce_amd.c')
| -rw-r--r-- | drivers/edac/mce_amd.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index ba2995c2cc23..34208f38c5b1 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -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; |