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Commit d0326691 authored by Vincent Guittot's avatar Vincent Guittot Committed by Ingo Molnar
Browse files

sched/fair: Fix task group initialization 



The moves of tasks are now propagated down to root and the utilization
of cfs_rq reflects reality so it doesn't need to be estimated at init.

Signed-off-by: default avatarVincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: default avatarDietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Morten.Rasmussen@arm.com
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bsegall@google.com
Cc: kernellwp@gmail.com
Cc: pjt@google.com
Cc: yuyang.du@intel.com
Link: http://lkml.kernel.org/r/1478598827-32372-7-git-send-email-vincent.guittot@linaro.org


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 4e516076

kernel/sched/fair.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -9198,7 +9198,7 @@ void online_fair_sched_group(struct task_group *tg) 
		se = tg->se[i];

		se = tg->se[i];





		raw_spin_lock_irq(&rq->lock);

		raw_spin_lock_irq(&rq->lock);

		post_init_entity_util_avg(se);

		attach_entity_cfs_rq(se);

		sync_throttle(tg, i);

		sync_throttle(tg, i);

		raw_spin_unlock_irq(&rq->lock);

		raw_spin_unlock_irq(&rq->lock);

	}

	}