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i386: Reserve the right performance counter for the Intel PerfMon NMI watchdog

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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@gmx.de>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Björn Steinbrink 2007-07-21 17:10:06 +02:00 committed by Linus Torvalds
parent d9c6d69145
commit e82f64e5bb
1 changed files with 2 additions and 2 deletions
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4
arch/i386/kernel/cpu/perfctr-watchdog.c
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@ -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)