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| author | Andi Kleen <ak@linux.intel.com> | 2009-04-27 18:42:48 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-05-28 09:24:12 -0700 |
| commit | 2e6f694fde0a7158590e121962ca2e3c06633528 (patch) | |
| tree | f81d898720ddacfe247253747f8579b075b3f8d4 | |
| parent | 06b7a7a5ec917761969444fee967c43868a76468 (diff) | |
| download | linux-stable-2e6f694fde0a7158590e121962ca2e3c06633528.tar.gz linux-stable-2e6f694fde0a7158590e121962ca2e3c06633528.tar.bz2 linux-stable-2e6f694fde0a7158590e121962ca2e3c06633528.zip | |
x86, mce: port K7 bank 0 quirk to 64bit mce code
Various K7 have broken bank 0s. Don't enable it by default
Port from the 32bit code.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 1dcd3be03328..1336280edcc2 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -650,6 +650,12 @@ static void mce_cpu_quirks(struct cpuinfo_x86 *c) */ mce_bootlog = 0; } + /* + * Various K7s with broken bank 0 around. Always disable + * by default. + */ + if (c->x86 == 6) + bank[0] = 0; } if (c->x86_vendor == X86_VENDOR_INTEL) { |