From: Shirish S Shirish.S@amd.com
[ 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 --- arch/x86/kernel/cpu/mcheck/mce.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index e348bee411e35..2664c3df85a60 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1649,11 +1649,10 @@ 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;