Commit-ID: c95b323dcd3598dd7ef5005d6723c1ba3b801093 Gitweb: https://git.kernel.org/tip/c95b323dcd3598dd7ef5005d6723c1ba3b801093 Author: Shirish S <shiris...@amd.com> AuthorDate: Thu, 10 Jan 2019 07:54:40 +0000 Committer: Borislav Petkov <b...@suse.de> CommitDate: Tue, 15 Jan 2019 18:11:38 +0100
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 <shiris...@amd.com> Signed-off-by: Borislav Petkov <b...@suse.de> Cc: "H. Peter Anvin" <h...@zytor.com> Cc: Ingo Molnar <mi...@redhat.com> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Tony Luck <tony.l...@intel.com> Cc: Vishal Verma <vishal.l.ve...@intel.com> Cc: x86-ml <x...@kernel.org> Link: https://lkml.kernel.org/r/1547106849-3476-2-git-send-email-shiris...@amd.com --- arch/x86/kernel/cpu/mce/core.c | 5 ++--- 1 file 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;
