Commit-ID: 99b625670f1447ecf0739161efbe7f2f43c0e0b6 Gitweb: http://git.kernel.org/tip/99b625670f1447ecf0739161efbe7f2f43c0e0b6 Author: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> AuthorDate: Wed, 25 Jun 2014 12:19:48 +0400 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Sat, 5 Jul 2014 11:17:44 +0200 sched/rt: Enqueue just unthrottled rt_rq back on the stack in __disable_runtime() Make rt_rq available for pick_next_task(). Otherwise, their tasks stay prisoned long time till dead cpu becomes alive again. Reviewed-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx> Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx> CC: Konstantin Khorenko <khorenko@xxxxxxxxxxxxx> CC: Ben Segall <bsegall@xxxxxxxxxx> CC: Paul Turner <pjt@xxxxxxxxxx> CC: Mike Galbraith <umgwanakikbuti@xxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/1403684388.3462.43.camel@tkhai Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- kernel/sched/rt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index a490831..671a8b5 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -740,6 +740,9 @@ balanced: rt_rq->rt_throttled = 0; raw_spin_unlock(&rt_rq->rt_runtime_lock); raw_spin_unlock(&rt_b->rt_runtime_lock); + + /* Make rt_rq available for pick_next_task() */ + sched_rt_rq_enqueue(rt_rq); } } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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