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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-08 21:07:24 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-08 21:07:24 +0200 |
commit | e80fb7e52fd305b916a671755ca31ecf8f92e94e (patch) | |
tree | 476b8d77b6c59a3da6c6e7c30958b9912a904944 /kernel | |
parent | Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kern... (diff) | |
parent | sched: Set correct normal_prio and prio values in sched_fork() (diff) | |
download | linux-e80fb7e52fd305b916a671755ca31ecf8f92e94e.tar.xz linux-e80fb7e52fd305b916a671755ca31ecf8f92e94e.zip |
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Set correct normal_prio and prio values in sched_fork()
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/sched.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 1535f3884b88..76c0e9691fc0 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2515,22 +2515,17 @@ void sched_fork(struct task_struct *p, int clone_flags) __sched_fork(p); /* - * 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 (p->policy == SCHED_FIFO || p->policy == SCHED_RR) { p->policy = SCHED_NORMAL; - - if (p->normal_prio < DEFAULT_PRIO) - p->prio = DEFAULT_PRIO; + 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); } @@ -2541,6 +2536,11 @@ void sched_fork(struct task_struct *p, int clone_flags) 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; @@ -2581,8 +2581,6 @@ void wake_up_new_task(struct task_struct *p, unsigned long clone_flags) BUG_ON(p->state != TASK_RUNNING); update_rq_clock(rq); - p->prio = effective_prio(p); - if (!p->sched_class->task_new || !current->se.on_rq) { activate_task(rq, p, 0); } else { |