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| author | Peter Zijlstra <peterz@infradead.org> | 2013-10-02 11:22:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-04 10:14:45 +0200 |
| commit | bb632bc44970f75b66df102e831a4fc0692e9159 (patch) | |
| tree | 776ea88487584949f96417ba4701a8bb81a3a174 /include/linux/wait.h | |
| parent | 2953ef246b058989657e1e77b36b67566ac06f7b (diff) | |
| download | op-kernel-dev-bb632bc44970f75b66df102e831a4fc0692e9159.zip op-kernel-dev-bb632bc44970f75b66df102e831a4fc0692e9159.tar.gz | |
sched/wait: Change the wait_exclusive control flow
Purely a preparatory patch; it changes the control flow to match what
will soon be generated by generic code so that that patch can be a
unity transform.
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20131002092528.107994763@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/wait.h')
| -rw-r--r-- | include/linux/wait.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index b2afd66..7d7819d 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -428,23 +428,24 @@ do { \ #define __wait_event_interruptible_exclusive(wq, condition, ret) \ do { \ + __label__ __out; \ DEFINE_WAIT(__wait); \ \ for (;;) { \ prepare_to_wait_exclusive(&wq, &__wait, \ TASK_INTERRUPTIBLE); \ - if (condition) { \ - finish_wait(&wq, &__wait); \ + if (condition) \ break; \ - } \ if (signal_pending(current)) { \ ret = -ERESTARTSYS; \ abort_exclusive_wait(&wq, &__wait, \ TASK_INTERRUPTIBLE, NULL); \ - break; \ + goto __out; \ } \ schedule(); \ } \ + finish_wait(&wq, &__wait); \ +__out: ; \ } while (0) #define wait_event_interruptible_exclusive(wq, condition) \ |
