Commit-ID: 8dd0de8be31b4b966d17750a0b10df2f575c91ac Gitweb: http://git.kernel.org/tip/8dd0de8be31b4b966d17750a0b10df2f575c91ac Author: Hillf Danton <dhillf@xxxxxxxxx> AuthorDate: Tue, 14 Jun 2011 18:36:24 -0400 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Wed, 15 Jun 2011 09:50:32 +0200 sched: Fix need_resched() when checking peempt The RT preempt check tests the wrong task if NEED_RESCHED is set. It currently checks the local CPU task. It is supposed to check the task that is running on the runqueue we are about to wake another task on. Signed-off-by: Hillf Danton <dhillf@xxxxxxxxx> Reviewed-by: Yong Zhang <yong.zhang0@xxxxxxxxx> Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx> Link: http://lkml.kernel.org/r/20110614223657.450239027@xxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- kernel/sched_rt.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index 88725c9..9b8d5dc 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -1096,7 +1096,7 @@ static void check_preempt_curr_rt(struct rq *rq, struct task_struct *p, int flag * to move current somewhere else, making room for our non-migratable * task. */ - if (p->prio == rq->curr->prio && !need_resched()) + if (p->prio == rq->curr->prio && !test_tsk_need_resched(rq->curr)) check_preempt_equal_prio(rq, p); #endif } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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