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x86/MCE/AMD: Turn off MC4_MISC thresholding on all family 0x15 models

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commit c95b323dcd upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shirish S
2019-01-10 07:54:40 +00:00
committed by Greg Kroah-Hartman
parent 993a6595b2
commit e6b8b66f96
1 changed files with 2 additions and 3 deletions
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5
arch/x86/kernel/cpu/mce/core.c
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@@ -1613,11 +1613,10 @@ 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;