From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
If the policy and priority remain unchanged a possible modification of
sched_reset_on_fork gets lost in the early exit path.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
[bigeasy: rebase ontop of v3.14-rc1]
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
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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