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Diffstat (limited to 'arch')
-rw-r--r--arch/x86_64/kernel/nmi.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index dfab9f167366..010d3d9bd56a 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -348,7 +348,7 @@ int __init check_nmi_watchdog (void)
struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
nmi_hz = 1;
- if (wd->perfctr_msr == MSR_ARCH_PERFMON_PERFCTR0)
+ if (wd->perfctr_msr == MSR_ARCH_PERFMON_PERFCTR1)
nmi_hz = adjust_for_32bit_ctr(nmi_hz);
}
@@ -713,8 +713,8 @@ static int setup_intel_arch_watchdog(void)
(ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
goto fail;
- perfctr_msr = MSR_ARCH_PERFMON_PERFCTR0;
- evntsel_msr = MSR_ARCH_PERFMON_EVENTSEL0;
+ perfctr_msr = MSR_ARCH_PERFMON_PERFCTR1;
+ evntsel_msr = MSR_ARCH_PERFMON_EVENTSEL1;
if (!__reserve_perfctr_nmi(-1, perfctr_msr))
goto fail;
@@ -958,7 +958,7 @@ int __kprobes nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
/* start the cycle over again */
wrmsrl(wd->perfctr_msr,
-((u64)cpu_khz * 1000 / nmi_hz));
- } else if (wd->perfctr_msr == MSR_ARCH_PERFMON_PERFCTR0) {
+ } else if (wd->perfctr_msr == MSR_ARCH_PERFMON_PERFCTR1) {
/*
* ArchPerfom/Core Duo needs to re-unmask
* the apic vector