Commit-ID: 2e6f694fde0a7158590e121962ca2e3c06633528
Gitweb: http://git.kernel.org/tip/2e6f694fde0a7158590e121962ca2e3c06633528
Author: Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Mon, 27 Apr 2009 18:42:48 +0200
Committer: H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Thu, 28 May 2009 09:24:12 -0700
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@xxxxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@xxxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
---
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 1dcd3be..1336280 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) {
--
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