diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2013-10-02 11:22:32 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-04 10:16:22 +0200 |
| commit | ebdc195f2ec68576876216081035293e37318e86 (patch) | |
| tree | aa33d7ec32e33b9a1dcf7496b08975270ee5a364 /include/linux/wait.h | |
| parent | cf7361fd961b6f0510572af6cf8ca3ffba07018b (diff) | |
| download | blackbird-op-linux-ebdc195f2ec68576876216081035293e37318e86.tar.gz blackbird-op-linux-ebdc195f2ec68576876216081035293e37318e86.zip | |
sched/wait: Collapse __wait_event_hrtimeout()
While not a whole-sale replacement like the others we can still reduce
the size of __wait_event_hrtimeout() considerably by noting that the
actual core of __wait_event_hrtimeout() is identical to what
___wait_event() generates.
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20131002092528.972793648@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/wait.h')
| -rw-r--r-- | include/linux/wait.h | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index ec3683ee0fc2..c065e8af9749 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -337,7 +337,6 @@ do { \ #define __wait_event_hrtimeout(wq, condition, timeout, state) \ ({ \ int __ret = 0; \ - DEFINE_WAIT(__wait); \ struct hrtimer_sleeper __t; \ \ hrtimer_init_on_stack(&__t.timer, CLOCK_MONOTONIC, \ @@ -348,25 +347,15 @@ do { \ current->timer_slack_ns, \ HRTIMER_MODE_REL); \ \ - for (;;) { \ - prepare_to_wait(&wq, &__wait, state); \ - if (condition) \ - break; \ - if (state == TASK_INTERRUPTIBLE && \ - signal_pending(current)) { \ - __ret = -ERESTARTSYS; \ - break; \ - } \ + ___wait_event(wq, condition, state, 0, __ret, \ if (!__t.task) { \ __ret = -ETIME; \ break; \ } \ - schedule(); \ - } \ + schedule()); \ \ hrtimer_cancel(&__t.timer); \ destroy_hrtimer_on_stack(&__t.timer); \ - finish_wait(&wq, &__wait); \ __ret; \ }) |
