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| author | Shirish S <Shirish.S@amd.com> | 2019-01-10 07:54:40 +0000 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2019-01-15 18:11:38 +0100 |
| commit | c95b323dcd3598dd7ef5005d6723c1ba3b801093 (patch) | |
| tree | 607e36e7fb60a8e0f2f855cf0a946721145f201b | |
| parent | b62928ff55290e47a7d546d427bf7b4ccf5ea944 (diff) | |
| download | linux-c95b323dcd3598dd7ef5005d6723c1ba3b801093.tar.bz2 | |
x86/MCE/AMD: Turn off MC4_MISC thresholding on all family 0x15 models
MC4_MISC thresholding is not supported on all family 0x15 processors,
hence skip the x86_model check when applying the quirk.
[ bp: massage commit message. ]
Signed-off-by: Shirish S <shirish.s@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/1547106849-3476-2-git-send-email-shirish.s@amd.com
| -rw-r--r-- | arch/x86/kernel/cpu/mce/core.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 672c7225cb1b..d0c54160b439 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -1612,11 +1612,10 @@ static int __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) mce_flags.overflow_recov = 1; /* - * Turn off MC4_MISC thresholding banks on those models since + * Turn off MC4_MISC thresholding banks on all models since * they're not supported there. */ - if (c->x86 == 0x15 && - (c->x86_model >= 0x10 && c->x86_model <= 0x1f)) { + if (c->x86 == 0x15) { int i; u64 hwcr; bool need_toggle; |