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Message-Id: <20070720153245.193DA14E79@wotan.suse.de>
Date:	Fri, 20 Jul 2007 17:32:45 +0200 (CEST)
From:	Andi Kleen <ak@...e.de>
To:	B.Steinbrink@....de, patches@...-64.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] [1/11] i386: Reserve the right performance counter  for the Intel PerfMon NMI watchdog


From: Björn Steinbrink <B.Steinbrink@....de>

The Intel PerfMon NMI watchdog reserves the first performance counter,
but uses the second one. Make it correctly reserve the second one.

Signed-off-by: Björn Steinbrink <B.Steinbrink@....de>
Signed-off-by: Andi Kleen <ak@...e.de>

---
 arch/i386/kernel/cpu/perfctr-watchdog.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux/arch/i386/kernel/cpu/perfctr-watchdog.c
===================================================================
--- linux.orig/arch/i386/kernel/cpu/perfctr-watchdog.c
+++ linux/arch/i386/kernel/cpu/perfctr-watchdog.c
@@ -599,8 +599,8 @@ static struct wd_ops intel_arch_wd_ops =
 	.setup = setup_intel_arch_watchdog,
 	.rearm = p6_rearm,
 	.stop = single_msr_stop_watchdog,
-	.perfctr = MSR_ARCH_PERFMON_PERFCTR0,
-	.evntsel = MSR_ARCH_PERFMON_EVENTSEL0,
+	.perfctr = MSR_ARCH_PERFMON_PERFCTR1,
+	.evntsel = MSR_ARCH_PERFMON_EVENTSEL1,
 };
 
 static void probe_nmi_watchdog(void)
-
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