From 30fbd59057004f97f45467124693f22e8b6f3e16 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 4 May 2015 13:51:12 +0200 Subject: [PATCH] perf: Remove unused function perf_mux_hrtimer_cancel() Reported-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- kernel/events/core.c | 28 ---------------------------- 1 file changed, 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;