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| author | Takashi Iwai <tiwai@suse.de> | 2014-05-05 16:54:33 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-05-05 16:54:33 +0200 |
| commit | 59991da498122f779434c4e0beac8a69e0322938 (patch) | |
| tree | 23e46bc7f355c6d65f3246f756cd8ef84cfc3030 /kernel/sched/deadline.c | |
| parent | ALSA: fm801: introduce fm801_ac97_is_ready()/fm801_ac97_is_valid() helpers (diff) | |
| parent | ALSA: hda - hdmi: Set converter channel count even without sink (diff) | |
| download | linux-59991da498122f779434c4e0beac8a69e0322938.tar.xz linux-59991da498122f779434c4e0beac8a69e0322938.zip | |
Merge branch 'for-linus' into for-next
... for applying the further HDMI fixes.
Diffstat (limited to 'kernel/sched/deadline.c')
| -rw-r--r-- | kernel/sched/deadline.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 27ef40925525..b08095786cb8 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1021,8 +1021,17 @@ struct task_struct *pick_next_task_dl(struct rq *rq, struct task_struct *prev) dl_rq = &rq->dl; - if (need_pull_dl_task(rq, prev)) + if (need_pull_dl_task(rq, prev)) { pull_dl_task(rq); + /* + * pull_rt_task() can drop (and re-acquire) rq->lock; this + * means a stop task can slip in, in which case we need to + * re-start task selection. + */ + if (rq->stop && rq->stop->on_rq) + return RETRY_TASK; + } + /* * When prev is DL, we may throttle it in put_prev_task(). * So, we update time before we check for dl_nr_running. |