Commit 801ccdbf authored Feb 25, 2016 by Peter Zijlstra Committed by Ingo Molnar Feb 29, 2016

sched/deadline: Remove superfluous call to switched_to_dl()



	if (A || B) {

	} else if (A && !B) {

	}

If A we'll take the first branch, if !A we will not satisfy the second.
Therefore the second branch will never be taken.

Reported-by: luca abeni <luca.abeni@unitn.it>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160225140149.GK6357@twins.programming.kicks-ass.net


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent f904f582

kernel/sched/deadline.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1772,8 +1772,7 @@ static void prio_changed_dl(struct rq rq, struct task_struct p,
		*/
		resched_curr(rq);
		#endif /* CONFIG_SMP */
		} else
		switched_to_dl(rq, p);
		}
		}

		const struct sched_class dl_sched_class = {

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