Subject: sched: Adjust sched_reset_on_fork when nothing else changes From: Thomas Gleixner Date: Thu, 20 Dec 2012 14:58:00 +0100 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 Cc: stable@vger.kernel.org Cc: stable-rt@vger.kernel.org --- kernel/sched/core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: linux-stable/kernel/sched/core.c =================================================================== --- linux-stable.orig/kernel/sched/core.c +++ linux-stable/kernel/sched/core.c @@ -4589,10 +4589,13 @@ 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, p, &flags); return 0; }