From: Shirish S <[email protected]> commit c95b323dcd3598dd7ef5005d6723c1ba3b801093 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 <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Tony Luck <[email protected]> Cc: Vishal Verma <[email protected]> Cc: x86-ml <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> --- arch/x86/kernel/cpu/mce/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -1613,11 +1613,10 @@ static int __mcheck_cpu_apply_quirks(str 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;
