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Message-Id: <1410396496-13845-1-git-send-email-roy.qing.li@gmail.com> Date: Thu, 11 Sep 2014 08:48:16 +0800 From: roy.qing.li@...il.com To: linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk, fabf@...net.be, jkosina@...e.cz, paulmck@...ux.vnet.ibm.com, richard@....at, oleg@...hat.com, akpm@...ux-foundation.org Subject: [RFC][PATCH] signal: replace !likely with unlikely! From: Li RongQing <roy.qing.li@...il.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.li@...il.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 majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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