diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2015-04-14 21:09:03 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-22 17:06:51 +0200 |
| commit | 3497d206c4d9b266d2e56c8b20e51b2f0e6a3c72 (patch) | |
| tree | fef0b357e9bc4da31bf9c822ca1a597c84045df1 /kernel/events | |
| parent | 576b0704c9def6d54b3ae9e13b0b7567c713f568 (diff) | |
perf: core: Use hrtimer_start()
hrtimer_start() does not longer defer already expired timers to the
softirq. Get rid of the __hrtimer_start_range_ns() invocation.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/20150414203502.452104213@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/events')
| -rw-r--r-- | kernel/events/core.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 81aa3a4ece9f..05309fdba2a4 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -834,9 +834,7 @@ static void perf_cpu_hrtimer_restart(struct perf_cpu_context *cpuctx) if (hrtimer_active(hr)) return; - if (!hrtimer_callback_running(hr)) - __hrtimer_start_range_ns(hr, cpuctx->hrtimer_interval, - 0, HRTIMER_MODE_REL_PINNED, 0); + hrtimer_start(hr, cpuctx->hrtimer_interval, HRTIMER_MODE_REL_PINNED); } void perf_pmu_disable(struct pmu *pmu) @@ -6843,9 +6841,8 @@ static void perf_swevent_start_hrtimer(struct perf_event *event) } else { period = max_t(u64, 10000, hwc->sample_period); } - __hrtimer_start_range_ns(&hwc->hrtimer, - ns_to_ktime(period), 0, - HRTIMER_MODE_REL_PINNED, 0); + hrtimer_start(&hwc->hrtimer, ns_to_ktime(period), + HRTIMER_MODE_REL_PINNED); } static void perf_swevent_cancel_hrtimer(struct perf_event *event) |