Messages in this thread Patch in this message | | | Date | Tue, 4 Sep 2012 11:50:24 -0700 | From | tip-bot for Michael Wang <> | Subject | [tip:sched/core] sched: Remove useless code in yield_to() |
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Commit-ID: 38b8dd6f87398524d02c21ff614c507ba8c9d295 Gitweb: http://git.kernel.org/tip/38b8dd6f87398524d02c21ff614c507ba8c9d295 Author: Michael Wang <wangyun@linux.vnet.ibm.com> AuthorDate: Tue, 3 Jul 2012 14:34:02 +0800 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Tue, 4 Sep 2012 14:31:42 +0200
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> --- kernel/sched/core.c | 7 ------- 1 files changed, 0 insertions(+), 7 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index ec0f2b8..c46a011 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4348,13 +4348,6 @@ again: */ if (preempt && rq != p_rq) 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:
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