Messages in this thread Patch in this message | | | From | Sebastian Andrzej Siewior <> | Subject | [PATCH 4/6] sched: Adjust sched_reset_on_fork when nothing else changes | Date | Fri, 7 Feb 2014 20:58:40 +0100 |
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From: Thomas Gleixner <tglx@linutronix.de>
If the policy and priority remain unchanged a possible modification of sched_reset_on_fork gets lost in the early exit path.
Cc: stable@vger.kernel.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de> [bigeasy: rebase ontop of v3.14-rc1] Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- kernel/sched/core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 3112b28..a4c06a8 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3392,7 +3392,8 @@ static int __sched_setscheduler(struct task_struct *p, } /* - * 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)) @@ -3402,6 +3403,7 @@ static int __sched_setscheduler(struct task_struct *p, if (dl_policy(policy)) goto change; + p->sched_reset_on_fork = reset_on_fork; task_rq_unlock(rq, p, &flags); return 0; } -- 1.9.rc1
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