[PATCH] [1/11] i386: Reserve the right performance counter for the Intel PerfMon NMI watchdog

[Andi Kleen]

From: Björn Steinbrink <B.Steinbrink@xxxxxx>

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@xxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxx>

---
 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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