Commit 38b8dd6f authored Jul 03, 2012 by Michael Wang Committed by Ingo Molnar Sep 04, 2012

sched: Remove useless code in yield_to()



It's impossible to enter the else branch if we have set
skip_clock_update in task_yield_fair(), as yield_to_task_fair()
 will directly return true after invoke task_yield_fair().

Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Acked-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/4FF2925A.9060005@linux.vnet.ibm.com


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

parent d00535db

kernel/sched/core.c

+0 −7

Original line number	Original line	Diff line number	Diff line
	@@ -4348,13 +4348,6 @@ again:
	*/		*/
	if (preempt && rq != p_rq)		if (preempt && rq != p_rq)
	resched_task(p_rq->curr);		resched_task(p_rq->curr);
	} else {
	/*
	* We might have set it in task_yield_fair(), but are
	* not going to schedule(), so don't want to skip
	* the next update.
	*/
	rq->skip_clock_update = 0;
	}		}

	out:		out: