Commit 86893335 authored Nov 26, 2014 by Wanpeng Li Committed by Ingo Molnar Feb 04, 2015

sched: Fix hrtick_start() on UP



The commit 177ef2a6 ("sched/deadline: Fix a precision problem in
the microseconds range") forgot to change the UP version of
hrtick_start(), do so now.

Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Fixes: 177ef2a6 ("sched/deadline: Fix a precision problem in the microseconds range")
[ Fixed the changelog. ]
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Cc: Kirill Tkhai <ktkhai@parallels.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1416962647-76792-7-git-send-email-wanpeng.li@linux.intel.com


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 75381608

kernel/sched/core.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -492,6 +492,11 @@ static __init void init_hrtick(void)
		*/
		void hrtick_start(struct rq *rq, u64 delay)
		{
		/*
		* Don't schedule slices shorter than 10000ns, that just
		* doesn't make sense. Rely on vruntime for fairness.
		*/
		delay = max_t(u64, delay, 10000LL);
		__hrtimer_start_range_ns(&rq->hrtick_timer, ns_to_ktime(delay), 0,
		HRTIMER_MODE_REL_PINNED, 0);
		}