diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2013-10-02 11:22:28 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-04 10:16:19 +0200 |
| commit | 8fbd88fa1717601ef91ced49a32f24786b167065 (patch) | |
| tree | 27b58fa3062e8788a05ea10055d1c7ae33aa78a1 /include/linux/wait.h | |
| parent | 13cb5042a4b80396f77cf5d599d2c002c57b89dc (diff) | |
| download | op-kernel-dev-8fbd88fa1717601ef91ced49a32f24786b167065.zip op-kernel-dev-8fbd88fa1717601ef91ced49a32f24786b167065.tar.gz | |
sched/wait: Collapse __wait_event_interruptible_lock_irq()
Reduce macro complexity by using the new ___wait_event() helper.
No change in behaviour, identical generated code.
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20131002092528.686006009@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/wait.h')
| -rw-r--r-- | include/linux/wait.h | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index d64918e..a577a85 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -689,26 +689,12 @@ do { \ } while (0) -#define __wait_event_interruptible_lock_irq(wq, condition, \ - lock, ret, cmd) \ -do { \ - DEFINE_WAIT(__wait); \ - \ - for (;;) { \ - prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE); \ - if (condition) \ - break; \ - if (signal_pending(current)) { \ - ret = -ERESTARTSYS; \ - break; \ - } \ - spin_unlock_irq(&lock); \ - cmd; \ - schedule(); \ - spin_lock_irq(&lock); \ - } \ - finish_wait(&wq, &__wait); \ -} while (0) +#define __wait_event_interruptible_lock_irq(wq, condition, lock, ret, cmd) \ + ___wait_event(wq, condition, TASK_INTERRUPTIBLE, 0, ret, \ + spin_unlock_irq(&lock); \ + cmd; \ + schedule(); \ + spin_lock_irq(&lock)) /** * wait_event_interruptible_lock_irq_cmd - sleep until a condition gets true. |
