On Fri, 1 Mar 2013, liguang wrote:
> Signed-off-by: liguang <lig.f...@cn.fujitsu.com>
Acked-by: Jiri Kosina <jkos...@suse.cz>
Makes sense. Adding Andrew to CC.
> ---
> kernel/semaphore.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/semaphore.c b/kernel/semaphore.c
> index 4567fc0..9c7017d 100644
> --- a/kernel/semaphore.c
> +++ b/kernel/semaphore.c
> @@ -214,7 +214,7 @@ static inline int __sched __down_common(struct semaphore
> *sem, long state,
> for (;;) {
> if (signal_pending_state(state, task))
> goto interrupted;
> - if (timeout <= 0)
> + if (unlikely(timeout <= 0))
> goto timed_out;
> __set_task_state(task, state);
> raw_spin_unlock_irq(&sem->lock);
> --
> 1.7.2.5
>
--
Jiri Kosina
SUSE Labs
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