X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=kernel%2Fsched%2Fdeadline.c;h=37dac98c0749abef16b339e3ac4f177d08b2f583;hb=a5d002baef69d3e6f1ba772b6a33a7964764c1b1;hp=6e79b3faa4cd5384754232dc3b74300367afec8e;hpb=bf21d605bf7d18d2b3cdb1c19fc1b2a1549c1f11;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 6e79b3f..37dac98 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -329,7 +329,7 @@ static void replenish_dl_entity(struct sched_dl_entity *dl_se, if (!lag_once) { lag_once = true; - printk_sched("sched: DL replenish lagged to much\n"); + printk_deferred("sched: DL replenish lagged to much\n"); } dl_se->deadline = rq_clock(rq) + pi_se->dl_deadline; dl_se->runtime = pi_se->dl_runtime; @@ -490,9 +490,17 @@ static enum hrtimer_restart dl_task_timer(struct hrtimer *timer) struct sched_dl_entity, dl_timer); struct task_struct *p = dl_task_of(dl_se); - struct rq *rq = task_rq(p); + struct rq *rq; +again: + rq = task_rq(p); raw_spin_lock(&rq->lock); + if (rq != task_rq(p)) { + /* Task was moved, retrying. */ + raw_spin_unlock(&rq->lock); + goto again; + } + /* * We need to take care of a possible races here. In fact, the * task might have changed its scheduling policy to something