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| author | Ingo Molnar <mingo@kernel.org> | 2016-06-14 11:04:13 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-06-14 11:04:13 +0200 |
| commit | 07f9f22087a94e8162f77ee997c52a23f158aee8 (patch) | |
| tree | 04bfe0395c6aa95bae5c6983c3433d9ac8eb7731 /kernel/sched | |
| parent | 03c041c5bf6ed584dff36b7cd509e0146a124277 (diff) | |
| parent | b7fa30c9cc48c4f55663420472505d3b4f6e1705 (diff) | |
| download | linux-0-day-07f9f22087a94e8162f77ee997c52a23f158aee8.tar.gz linux-0-day-07f9f22087a94e8162f77ee997c52a23f158aee8.tar.xz | |
Merge branch 'sched/urgent' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 6 | ||||
| -rw-r--r-- | kernel/sched/fair.c | 8 | ||||
| -rw-r--r-- | kernel/sched/idle.c | 2 |
3 files changed, 11 insertions, 5 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 385c947482e11..13d0896aff87a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2535,10 +2535,9 @@ void wake_up_new_task(struct task_struct *p) */ set_task_cpu(p, select_task_rq(p, task_cpu(p), SD_BALANCE_FORK, 0)); #endif - /* Post initialize new task's util average when its cfs_rq is set */ + rq = __task_rq_lock(p, &rf); post_init_entity_util_avg(&p->se); - rq = __task_rq_lock(p, &rf); activate_task(rq, p, 0); p->on_rq = TASK_ON_RQ_QUEUED; trace_sched_wakeup_new(p); @@ -3170,7 +3169,8 @@ static noinline void __schedule_bug(struct task_struct *prev) static inline void schedule_debug(struct task_struct *prev) { #ifdef CONFIG_SCHED_STACK_END_CHECK - BUG_ON(task_stack_end_corrupted(prev)); + if (task_stack_end_corrupted(prev)) + panic("corrupted stack end detected inside scheduler\n"); #endif if (unlikely(in_atomic_preempt_off())) { diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c6dd8bab010c1..40d5ace002a9c 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -8468,8 +8468,9 @@ void free_fair_sched_group(struct task_group *tg) int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) { - struct cfs_rq *cfs_rq; struct sched_entity *se; + struct cfs_rq *cfs_rq; + struct rq *rq; int i; tg->cfs_rq = kzalloc(sizeof(cfs_rq) * nr_cpu_ids, GFP_KERNEL); @@ -8484,6 +8485,8 @@ int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) init_cfs_bandwidth(tg_cfs_bandwidth(tg)); for_each_possible_cpu(i) { + rq = cpu_rq(i); + cfs_rq = kzalloc_node(sizeof(struct cfs_rq), GFP_KERNEL, cpu_to_node(i)); if (!cfs_rq) @@ -8497,7 +8500,10 @@ int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) init_cfs_rq(cfs_rq); init_tg_cfs_entry(tg, cfs_rq, se, i, parent->se[i]); init_entity_runnable_average(se); + + raw_spin_lock_irq(&rq->lock); post_init_entity_util_avg(se); + raw_spin_unlock_irq(&rq->lock); } return 1; diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index db4ff7c100b95..9fb873cfc75cf 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -127,7 +127,7 @@ static int call_cpuidle(struct cpuidle_driver *drv, struct cpuidle_device *dev, */ static void cpuidle_idle_call(void) { - struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices); + struct cpuidle_device *dev = cpuidle_get_device(); struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev); int next_state, entered_state; |