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authorBjörn Steinbrink <B.Steinbrink@gmx.de>2007-07-21 17:10:06 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 18:37:08 -0700
commite82f64e5bb0648a13630d752c35be1e7bd8bab96 (patch)
tree2e681a5f2d7b18070dcb425f4004887d46afb843 /arch/i386/kernel/cpu
parentd9c6d69145ec696128961204f755a3b01edc2ff6 (diff)
i386: Reserve the right performance counter for the Intel PerfMon NMI watchdog
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>
Diffstat (limited to 'arch/i386/kernel/cpu')
-rw-r--r--arch/i386/kernel/cpu/perfctr-watchdog.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/i386/kernel/cpu/perfctr-watchdog.c b/arch/i386/kernel/cpu/perfctr-watchdog.c
index 4d26d514c56..30b5e48aa76 100644
--- a/arch/i386/kernel/cpu/perfctr-watchdog.c
+++ b/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)