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Commit 1158ddb55416855fd17abe3214298f736f00426a

Authored by Kirill Tkhai
Committed by Ingo Molnar
1 parent a59f4e079d
Exists in smarc-l5.0.0_1.0.0-ga and in 5 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga

sched/rt: Add reschedule check to switched_from_rt() 

Reschedule rq->curr if the first RT task has just been
pulled to the rq.

Signed-off-by: Kirill V Tkhai <tkhai@yandex.ru>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tkhai Kirill <tkhai@yandex.ru>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/118761353614535@web28f.yandex.ru
Signed-off-by: Ingo Molnar <mingo@kernel.org>

Showing 1 changed file with 5 additions and 2 deletions Side-by-side Diff

... ... @@ -1889,8 +1889,11 @@
1889 1889 * we may need to handle the pulling of RT tasks
1890 1890 * now.
1891 1891 */
1892   - if (p->on_rq && !rq->rt.rt_nr_running)
1893   - pull_rt_task(rq);
  1892 + if (!p->on_rq || rq->rt.rt_nr_running)
  1893 + return;
  1894 +
  1895 + if (pull_rt_task(rq))
  1896 + resched_task(rq->curr);
1894 1897 }
1895 1898  
1896 1899 void init_sched_rt_class(void)