diff options
Diffstat (limited to 'Documentation/scheduler')
| -rw-r--r-- | Documentation/scheduler/completion.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/scheduler/completion.txt b/Documentation/scheduler/completion.txt index 656cf803c006..108bd0f264b3 100644 --- a/Documentation/scheduler/completion.txt +++ b/Documentation/scheduler/completion.txt @@ -116,7 +116,7 @@ A typical usage scenario is: This is not implying any temporal order on wait_for_completion() and the call to complete() - if the call to complete() happened before the call to wait_for_completion() then the waiting side simply will continue -immediately as all dependencies are satisfied if not it will block until +immediately as all dependencies are satisfied; if not, it will block until completion is signaled by complete(). Note that wait_for_completion() is calling spin_lock_irq()/spin_unlock_irq(), @@ -131,7 +131,7 @@ wait_for_completion(): The default behavior is to wait without a timeout and to mark the task as uninterruptible. wait_for_completion() and its variants are only safe in process context (as they can sleep) but not in atomic context, -interrupt context, with disabled irqs. or preemption is disabled - see also +interrupt context, with disabled irqs, or preemption is disabled - see also try_wait_for_completion() below for handling completion in atomic/interrupt context. @@ -224,7 +224,7 @@ queue spinlock. Any such concurrent calls to complete() or complete_all() probably are a design bug. Signaling completion from hard-irq context is fine as it will appropriately -lock with spin_lock_irqsave/spin_unlock_irqrestore and it will never sleep. +lock with spin_lock_irqsave()/spin_unlock_irqrestore() and it will never sleep. try_wait_for_completion()/completion_done(): |
