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Subject[PATCH 03/17] x86: MCE: Port K7 bank 0 quirk to 64bit mce code
Date
From: Andi Kleen <ak@linux.intel.com>

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>
---
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 89c9d6b..26048b5 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -651,6 +651,12 @@ 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) {
--
1.6.0.2


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