The idle post_schedule hook is just a vile waste of time, furthermore it appears unneeded, move the idle_enter_fair() call into pick_next_task_idle().
Cc: Daniel Lezcano <[email protected]> Cc: Vincent Guittot <[email protected]> Cc: [email protected] Cc: [email protected] Cc: Steven Rostedt <[email protected]> Signed-off-by: Peter Zijlstra <[email protected]> --- kernel/sched/idle_task.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) --- a/kernel/sched/idle_task.c +++ b/kernel/sched/idle_task.c @@ -19,11 +19,6 @@ static void pre_schedule_idle(struct rq 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: @@ -40,8 +35,7 @@ pick_next_task_idle(struct rq *rq, struc 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; } @@ -105,7 +99,6 @@ const struct sched_class idle_sched_clas #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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
