diff options
Diffstat (limited to 'arch/ia64/kernel/perfmon.c')
| -rw-r--r-- | arch/ia64/kernel/perfmon.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index 410d4804fa6e0c..18c51c37a9a35e 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -6718,6 +6718,7 @@ __initcall(pfm_init); void pfm_init_percpu (void) { + static int first_time=1; /* * make sure no measurement is active * (may inherit programmed PMCs from EFI). @@ -6730,8 +6731,10 @@ pfm_init_percpu (void) */ pfm_unfreeze_pmu(); - if (smp_processor_id() == 0) + if (first_time) { register_percpu_irq(IA64_PERFMON_VECTOR, &perfmon_irqaction); + first_time=0; + } ia64_setreg(_IA64_REG_CR_PMV, IA64_PERFMON_VECTOR); ia64_srlz_d(); |