From: Andi Kleen <andi@firstfloor.org>
To: mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org
Subject: [PATCH] [3/9] MCE: Port K7 bank 0 quirk to 64bit mce code
Date: Mon, 7 Jul 2008 08:28:35 +0200 (CEST) [thread overview]
Message-ID: <20080707062835.9E4281B4315@basil.firstfloor.org> (raw)
In-Reply-To: <20080707828.405203787@firstfloor.org>
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) {
/*
next prev parent reply other threads:[~2008-07-07 6:29 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-07 6:28 [PATCH] [0/9] Use 64bit x86 machine check code for 32bit too Andi Kleen
2008-07-07 6:28 ` [PATCH] [1/9] MCE: Make 64bit mce code 32bit clean Andi Kleen
2008-07-07 6:28 ` [PATCH] [2/9] MCE: Implement the PPro bank 0 quirk in the 64bit machine check code Andi Kleen
2008-07-07 6:28 ` Andi Kleen [this message]
2008-07-07 6:28 ` [PATCH] [4/9] MCE: Call 64bit machine check through a call vector Andi Kleen
2008-07-07 6:28 ` [PATCH] [5/9] MCE: Rename mce_dont_init on 64bit to mce_disabled Andi Kleen
2008-07-07 6:28 ` [PATCH] [6/9] MCE: Provide exit_idle dummy functions for 32bit Andi Kleen
2008-07-07 6:28 ` [PATCH] [7/9] MCE: Remove machine check handler idle notify on 64bit Andi Kleen
2008-07-07 6:28 ` [PATCH] [8/9] MCE: Remove oops_begin() use in 64bit machine check Andi Kleen
2008-07-07 6:28 ` [PATCH] [9/9] MCE: Use 64bit machine check code on 32bit v2 Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2008-07-04 21:20 [PATCH] [0/9] Use 64bit x86 machine check code for 32bit too Andi Kleen
2008-07-04 21:20 ` [PATCH] [3/9] MCE: Port K7 bank 0 quirk to 64bit mce code Andi Kleen
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