sched/wait: Collapse __wait_event_interruptible()

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/20131002092528.396949919@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/include/linux/wait.h b/include/linux/wait.h
index 546b94efc82e8525269316f29cbbeb940ed2e955..39e4bbd2c73534ccdcb5dfcf2b87d390f34d0c18 100644 (file)
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -277,21 +277,8 @@ do {                                                                       \
 })
 
 #define __wait_event_interruptible(wq, condition, ret)                 \
-do {                                                                   \
-       DEFINE_WAIT(__wait);                                            \
-                                                                       \
-       for (;;) {                                                      \
-               prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE);      \
-               if (condition)                                          \
-                       break;                                          \
-               if (signal_pending(current)) {                          \
-                       ret = -ERESTARTSYS;                             \
-                       break;                                          \
-               }                                                       \
-               schedule();                                             \
-       }                                                               \
-       finish_wait(&wq, &__wait);                                      \
-} while (0)
+       ___wait_event(wq, condition, TASK_INTERRUPTIBLE, 0, ret,        \
+                     schedule())
 
 /**
  * wait_event_interruptible - sleep until a condition gets true