From: Li RongQing <roy.qing...@gmail.com>
!likely() is hard to be understood, and I do not know if compiler can
optimise this condition, but unlikely(!()) is clear
Signed-off-by: Li RongQing <roy.qing...@gmail.com>
---
kernel/signal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/signal.c b/kernel/signal.c
index 8f0876f..6156cfa 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1571,7 +1571,7 @@ int send_sigqueue(struct sigqueue *q, struct task_struct
*t, int group)
BUG_ON(!(q->flags & SIGQUEUE_PREALLOC));
ret = -1;
- if (!likely(lock_task_sighand(t, &flags)))
+ if (unlikely(!lock_task_sighand(t, &flags)))
goto ret;
ret = 1; /* the signal is ignored */
--
1.7.10.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
