mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-03 17:40:04 +00:00
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@linux.vnet.ibm.com> Signed-off-by: Kirill Tkhai <ktkhai@parallels.com> CC: Konstantin Khorenko <khorenko@parallels.com> CC: Ben Segall <bsegall@google.com> CC: Paul Turner <pjt@google.com> CC: Mike Galbraith <umgwanakikbuti@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1403684388.3462.43.camel@tkhai Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
parent
0e59bdaea7
commit
99b625670f
1 changed files with 3 additions and 0 deletions
|
@ -740,6 +740,9 @@ static void __disable_runtime(struct rq *rq)
|
|||
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);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue