diff options
Diffstat (limited to 'kernel/sched/swait.c')
| -rw-r--r-- | kernel/sched/swait.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/kernel/sched/swait.c b/kernel/sched/swait.c index e83a3f8449f6..e1c655f928c7 100644 --- a/kernel/sched/swait.c +++ b/kernel/sched/swait.c @@ -32,6 +32,19 @@ void swake_up_locked(struct swait_queue_head *q) } EXPORT_SYMBOL(swake_up_locked); +/* + * Wake up all waiters. This is an interface which is solely exposed for + * completions and not for general usage. + * + * It is intentionally different from swake_up_all() to allow usage from + * hard interrupt context and interrupt disabled regions. + */ +void swake_up_all_locked(struct swait_queue_head *q) +{ + while (!list_empty(&q->task_list)) + swake_up_locked(q); +} + void swake_up_one(struct swait_queue_head *q) { unsigned long flags; @@ -69,7 +82,7 @@ void swake_up_all(struct swait_queue_head *q) } EXPORT_SYMBOL(swake_up_all); -static void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait) +void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait) { wait->task = current; if (list_empty(&wait->task_list)) |