1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 886dcf334bc3..5bfd30ab3920 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -286,6 +286,9 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
                 hwc->nmi = 1;
         }
 
+        if (!hwc->irq_period)
+                hwc->irq_period = x86_pmu.max_period;
+
         atomic64_set(&hwc->period_left,
                         min(x86_pmu.max_period, hwc->irq_period));