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-rw-r--r--kernel/events/core.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 598182dcc260..f5288293d667 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -772,34 +772,6 @@ static enum hrtimer_restart perf_mux_hrtimer_handler(struct hrtimer *hr)
return ret;
}
-/* CPU is going down */
-static void perf_mux_hrtimer_cancel(int cpu)
-{
- struct perf_cpu_context *cpuctx;
- struct pmu *pmu;
- unsigned long flags;
-
- if (WARN_ON(cpu != smp_processor_id()))
- return;
-
- local_irq_save(flags);
-
- rcu_read_lock();
-
- list_for_each_entry_rcu(pmu, &pmus, entry) {
- cpuctx = this_cpu_ptr(pmu->pmu_cpu_context);
-
- if (pmu->task_ctx_nr == perf_sw_context)
- continue;
-
- hrtimer_cancel(&cpuctx->hrtimer);
- }
-
- rcu_read_unlock();
-
- local_irq_restore(flags);
-}
-
static void __perf_mux_hrtimer_init(struct perf_cpu_context *cpuctx, int cpu)
{
struct hrtimer *timer = &cpuctx->hrtimer;