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-rw-r--r--arch/alpha/kernel/perf_event.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c
index 1f0eb4f25c0f..a3eaab094ece 100644
--- a/arch/alpha/kernel/perf_event.c
+++ b/arch/alpha/kernel/perf_event.c
@@ -852,14 +852,9 @@ static void alpha_perf_event_irq_handler(unsigned long la_ptr,
alpha_perf_event_update(event, hwc, idx, alpha_pmu->pmc_max_period[idx]+1);
perf_sample_data_init(&data, 0, hwc->last_period);
- if (alpha_perf_event_set_period(event, hwc, idx)) {
- if (perf_event_overflow(event, &data, regs)) {
- /* Interrupts coming too quickly; "throttle" the
- * counter, i.e., disable it for a little while.
- */
- alpha_pmu_stop(event, 0);
- }
- }
+ if (alpha_perf_event_set_period(event, hwc, idx))
+ perf_event_overflow(event, &data, regs);
+
wrperfmon(PERFMON_CMD_ENABLE, cpuc->idx_mask);
return;