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sched: deadline: Use hrtimer_start()

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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/20150414203502.627353666@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2015-04-14 21:09:06 +00:00
parent 4961b6e118
commit cc9684d3c1
1 changed files with 2 additions and 10 deletions
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12
kernel/sched/deadline.c
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@ -503,8 +503,6 @@ static int start_dl_timer(struct sched_dl_entity *dl_se, bool boosted)
struct dl_rq *dl_rq = dl_rq_of_se(dl_se);
struct rq *rq = rq_of_dl_rq(dl_rq);
ktime_t now, act;
ktime_t soft, hard;
unsigned long range;
s64 delta;
if (boosted)
@ -527,15 +525,9 @@ static int start_dl_timer(struct sched_dl_entity *dl_se, bool boosted)
if (ktime_us_delta(act, now) < 0)
return 0;
hrtimer_set_expires(&dl_se->dl_timer, act);
hrtimer_start(&dl_se->dl_timer, act, HRTIMER_MODE_ABS);
soft = hrtimer_get_softexpires(&dl_se->dl_timer);
hard = hrtimer_get_expires(&dl_se->dl_timer);
range = ktime_to_ns(ktime_sub(hard, soft));
__hrtimer_start_range_ns(&dl_se->dl_timer, soft,
range, HRTIMER_MODE_ABS, 0);
return hrtimer_active(&dl_se->dl_timer);
return 1;
}
/*