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authorYong Wang <yong.y.wang@linux.intel.com>2009-05-29 13:28:35 +0800
committerIngo Molnar <mingo@elte.hu>2009-05-29 09:04:58 +0200
commitc323d95fa4dbe0b6bf6d59e24a0b7db067dd08a7 (patch)
tree4e674688eb9ba7a84ab34db4bf51cfca34edf6ed /arch/x86/kernel/apic
parentda417a7537cbf4beb28a08a49adf915f2358040c (diff)
perf_counter/x86: Always use NMI for performance-monitoring interrupt
Always use NMI for performance-monitoring interrupt as there could be racy situations if we switch between irq and nmi mode frequently. Signed-off-by: Yong Wang <yong.y.wang@intel.com> LKML-Reference: <20090529052835.GA13657@ywang-moblin2.bj.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic')
-rw-r--r--arch/x86/kernel/apic/apic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 89b63b5fad3..60df2efd7c8 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1135,7 +1135,7 @@ void __cpuinit setup_local_APIC(void)
apic_write(APIC_ESR, 0);
}
#endif
- perf_counters_lapic_init(0);
+ perf_counters_lapic_init();
preempt_disable();