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.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Cc: stable-rt@xxxxxxxxxxxxxxx
---
kernel/sched.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index cdf9484..9af4bbe 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5719,11 +5719,13 @@ 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 && (!rt_policy(policy) ||
param->sched_priority == p->rt_priority))) {
-
+ p->sched_reset_on_fork = reset_on_fork;
__task_rq_unlock(rq);
raw_spin_unlock_irqrestore(&p->pi_lock, flags);
return 0;
--
1.7.10.4
--
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