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>
mariux64 · May 28, 2009 · 2e6f694 · 2e6f694
1 parent 06b7a7a
commit 2e6f694
Showing 1 changed file with 6 additions and 0 deletions.
diff --git 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) {