diff --git a/kernel/sched.c b/kernel/sched.c index b1e8f0eca1f9c02d734fffdcb16dc8386ac8e609..cf427bb2b65e0e2908adc0f818cee8e53f118073 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2843,20 +2843,24 @@ void sched_fork(struct task_struct *p) */ p->state = TASK_RUNNING; + /* + * Make sure we do not leak PI boosting priority to the child. + */ + p->prio = current->normal_prio; + /* * Revert to default priority/policy on fork if requested. */ if (unlikely(p->sched_reset_on_fork)) { - if (p->policy == SCHED_FIFO || p->policy == SCHED_RR) { + if (task_has_rt_policy(p)) { p->policy = SCHED_NORMAL; - p->normal_prio = p->static_prio; - } - - if (PRIO_TO_NICE(p->static_prio) < 0) { p->static_prio = NICE_TO_PRIO(0); - p->normal_prio = p->static_prio; - set_load_weight(p); - } + p->rt_priority = 0; + } else if (PRIO_TO_NICE(p->static_prio) < 0) + p->static_prio = NICE_TO_PRIO(0); + + p->prio = p->normal_prio = __normal_prio(p); + set_load_weight(p); /* * We don't need the reset flag anymore after the fork. It has @@ -2865,11 +2869,6 @@ void sched_fork(struct task_struct *p) p->sched_reset_on_fork = 0; } - /* - * Make sure we do not leak PI boosting priority to the child. - */ - p->prio = current->normal_prio; - if (!rt_prio(p->prio)) p->sched_class = &fair_sched_class;