linux-kernel - [PATCH RFC 07/11] Adopt the way of initializing semaphore to lock monitor

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Date:	Sun, 14 Mar 2010 19:38:44 +0900
From:	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
To:	fweisbec@...il.com
Cc:	linux-kernel@...r.kernel.org, mitake@....info.waseda.ac.jp,
	h.mitake@...il.com, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Jason Baron <jbaron@...hat.com>
Subject: [PATCH RFC 07/11] Adopt the way of initializing semaphore to lock monitor

Now spinlock_t doesn't have struct lockdep_map,
this was replaced with struct lock_monitor.

So this patch fixes the way of initializing semaphore.

Signed-off-by: Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jens Axboe <jens.axboe@...cle.com>
Cc: Jason Baron <jbaron@...hat.com>
---
 include/linux/semaphore.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/semaphore.h b/include/linux/semaphore.h
index 7415839..d5aa2ba 100644
--- a/include/linux/semaphore.h
+++ b/include/linux/semaphore.h
@@ -33,7 +33,7 @@ static inline void sema_init(struct semaphore *sem, int val)
 {
 	static struct lock_class_key __key;
 	*sem = (struct semaphore) __SEMAPHORE_INITIALIZER(*sem, val);
-	lockdep_init_map(&sem->lock.dep_map, "semaphore->lock", &__key, 0);
+	lockdep_init_map(&sem->lock.monitor.dep_map, "semaphore->lock", &__key, 0);
 }
 
 #define init_MUTEX(sem)		sema_init(sem, 1)
-- 
1.6.5.2

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