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Subject[patch 23/39] 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>
---
kernel/events/core.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

Index: tip/kernel/events/core.c
===================================================================
--- tip.orig/kernel/events/core.c
+++ tip/kernel/events/core.c
@@ -853,9 +853,7 @@ static void perf_cpu_hrtimer_restart(str
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)
@@ -6530,9 +6528,8 @@ static void perf_swevent_start_hrtimer(s
} 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)



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