linux-kernel - [PATCH 2/8] Mark sleep

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Message-Id: <20091214212351.BBB4.A69D9226@jp.fujitsu.com>
Date:	Mon, 14 Dec 2009 21:24:40 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Rik van Riel <riel@...hat.com>
Cc:	kosaki.motohiro@...fujitsu.com, lwoodman@...hat.com,
	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, minchan.kim@...il.com
Subject: [PATCH 2/8] Mark sleep_on as deprecated



sleep_on() function is SMP and/or kernel preemption unsafe. we shouldn't
use it on new code.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
---
 include/linux/wait.h |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/wait.h b/include/linux/wait.h
index a48e16b..bf76627 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -427,11 +427,11 @@ static inline void remove_wait_queue_locked(wait_queue_head_t *q,
  * They are racy.  DO NOT use them, use the wait_event* interfaces above.
  * We plan to remove these interfaces.
  */
-extern void sleep_on(wait_queue_head_t *q);
-extern long sleep_on_timeout(wait_queue_head_t *q,
+extern void __deprecated sleep_on(wait_queue_head_t *q);
+extern long __deprecated sleep_on_timeout(wait_queue_head_t *q,
 				      signed long timeout);
-extern void interruptible_sleep_on(wait_queue_head_t *q);
-extern long interruptible_sleep_on_timeout(wait_queue_head_t *q,
+extern void __deprecated interruptible_sleep_on(wait_queue_head_t *q);
+extern long __deprecated interruptible_sleep_on_timeout(wait_queue_head_t *q,
 					   signed long timeout);
 
 /*
-- 
1.6.5.2



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