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authorThomas Gleixner <tglx@linutronix.de>2014-02-07 20:58:40 +0100
committerIngo Molnar <mingo@kernel.org>2014-02-22 18:08:43 +0100
commitd6b1e9119787fd2e31dcf0f0ce90b71197604206 (patch)
tree7115c54f7f35bc92a6211aa42fd722f72475ea9a /kernel/sched/core.c
parent8f47b1871b8aac98f1a9d93bc3467fb97b65199a (diff)
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op-kernel-dev-d6b1e9119787fd2e31dcf0f0ce90b71197604206.tar.gz
sched: Adjust p->sched_reset_on_fork when nothing else changes
If the policy and priority remain unchanged a possible modification of p->sched_reset_on_fork gets lost in the early exit path. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> [ Rebase ontop of v3.14-rc1. ] Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1391803122-4425-5-git-send-email-bigeasy@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/core.c')
-rw-r--r--kernel/sched/core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c94e851..771eb87 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3362,7 +3362,8 @@ recheck:
}
/*
- * If not changing anything there's no need to proceed further:
+ * If not changing anything there's no need to proceed further,
+ * but store a possible modification of reset_on_fork.
*/
if (unlikely(policy == p->policy)) {
if (fair_policy(policy) && attr->sched_nice != task_nice(p))
@@ -3372,6 +3373,7 @@ recheck:
if (dl_policy(policy))
goto change;
+ p->sched_reset_on_fork = reset_on_fork;
task_rq_unlock(rq, p, &flags);
return 0;
}
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