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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_64.c | 6 ++++++
1 file changed, 6 insertions(+)
Index: linux/arch/x86/kernel/cpu/mcheck/mce_64.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ linux/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -482,6 +482,12 @@ static void __cpuinit mce_cpu_quirks(str
/* Lots of broken BIOS around that don't clear them
by default and leave crap in there. Don't log. */
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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