Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Andi Kleen <> | Subject | [PATCH] [1/11] i386: Reserve the right performance counter for the Intel PerfMon NMI watchdog | Date | Fri, 20 Jul 2007 17:32:45 +0200 (CEST) |
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From: Björn Steinbrink <B.Steinbrink@gmx.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@gmx.de> Signed-off-by: Andi Kleen <ak@suse.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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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