Commit-ID:  801ccdbf018ca5dbd478756ece55cd6c7726ed5b
Gitweb:     http://git.kernel.org/tip/801ccdbf018ca5dbd478756ece55cd6c7726ed5b
Author:     Peter Zijlstra <[email protected]>
AuthorDate: Thu, 25 Feb 2016 15:01:49 +0100
Committer:  Ingo Molnar <[email protected]>
CommitDate: Mon, 29 Feb 2016 09:53:11 +0100

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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Acked-by: Juri Lelli <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
 kernel/sched/deadline.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 04a569c..15abf04 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -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 = {

Reply via email to