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| author | Shirish S <Shirish.S@amd.com> | 2019-01-10 10:54:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-17 22:35:36 +0300 |
| commit | 805f5ff87d226ba164094f499acc390029c1dc1e (patch) | |
| tree | b3eaac9b6149b0a676b1aa3443b42dbd17f98a47 /arch | |
| parent | 7bf64b2bc662e732be7af0a49a52154b9d7aa36d (diff) | |
| download | linux-805f5ff87d226ba164094f499acc390029c1dc1e.tar.xz | |
x86/MCE/AMD: Turn off MC4_MISC thresholding on all family 0x15 models
[ Upstream commit c95b323dcd3598dd7ef5005d6723c1ba3b801093 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index fee118b3b69f..a0bc7f757081 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1632,11 +1632,10 @@ 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; |