Commit-ID: 6c3b4d44ba2838f00614a5a2d777d4401e0bfd71 Gitweb: http://git.kernel.org/tip/6c3b4d44ba2838f00614a5a2d777d4401e0bfd71 Author: Peter Zijlstra <pet...@infradead.org> AuthorDate: Fri, 17 Jan 2014 15:09:39 +0100 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Mon, 10 Feb 2014 16:17:22 +0100
sched: Clean up idle task SMP logic The idle post_schedule flag is just a vile waste of time, furthermore it appears unneeded, move the idle_enter_fair() call into pick_next_task_idle(). Signed-off-by: Peter Zijlstra <pet...@infradead.org> Cc: Daniel Lezcano <daniel.lezc...@linaro.org> Cc: Vincent Guittot <vincent.guit...@linaro.org> Cc: alex....@linaro.org Cc: mi...@kernel.org Cc: Steven Rostedt <rost...@goodmis.org> Link: http://lkml.kernel.org/n/tip-aljykihtxjt3mkokxi0qz...@git.kernel.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- kernel/sched/idle_task.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/kernel/sched/idle_task.c b/kernel/sched/idle_task.c index e5c922a..721371b 100644 --- a/kernel/sched/idle_task.c +++ b/kernel/sched/idle_task.c @@ -19,11 +19,6 @@ static void pre_schedule_idle(struct rq *rq, struct task_struct *prev) idle_exit_fair(rq); rq_last_tick_reset(rq); } - -static void post_schedule_idle(struct rq *rq) -{ - idle_enter_fair(rq); -} #endif /* CONFIG_SMP */ /* * Idle tasks are unconditionally rescheduled: @@ -41,8 +36,7 @@ pick_next_task_idle(struct rq *rq, struct task_struct *prev) schedstat_inc(rq, sched_goidle); #ifdef CONFIG_SMP - /* Trigger the post schedule to do an idle_enter for CFS */ - rq->post_schedule = 1; + idle_enter_fair(rq); #endif return rq->idle; } @@ -106,7 +100,6 @@ const struct sched_class idle_sched_class = { #ifdef CONFIG_SMP .select_task_rq = select_task_rq_idle, .pre_schedule = pre_schedule_idle, - .post_schedule = post_schedule_idle, #endif .set_curr_task = set_curr_task_idle, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
