X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Frwsem.h;h=2c2fe9647595bd3de91342000551ae8baae26b9a;hb=9464c7cf61b9433057924c36e6e02f303a00e768;hp=e929145e1e46700bdef35c903acb6725ef5c66e3;hpb=41689045f6a3cbe0550e1d34e9cc20d2e8c432ba;p=linux-2.6.git

diff --git a/include/asm-powerpc/rwsem.h b/include/asm-powerpc/rwsem.h
index e929145e1..2c2fe9647 100644
--- a/include/asm-powerpc/rwsem.h
+++ b/include/asm-powerpc/rwsem.h
@@ -28,11 +28,24 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_WRITE_BIAS		(RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
+#if RWSEM_DEBUG
+	int			debug;
+#endif
 };
 
+/*
+ * initialisation
+ */
+#if RWSEM_DEBUG
+#define __RWSEM_DEBUG_INIT      , 0
+#else
+#define __RWSEM_DEBUG_INIT	/* */
+#endif
+
 #define __RWSEM_INITIALIZER(name) \
 	{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
-	  LIST_HEAD_INIT((name).wait_list) }
+	  LIST_HEAD_INIT((name).wait_list) \
+	  __RWSEM_DEBUG_INIT }
 
 #define DECLARE_RWSEM(name)		\
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -47,6 +60,9 @@ static inline void init_rwsem(struct rw_semaphore *sem)
 	sem->count = RWSEM_UNLOCKED_VALUE;
 	spin_lock_init(&sem->wait_lock);
 	INIT_LIST_HEAD(&sem->wait_list);
+#if RWSEM_DEBUG
+	sem->debug = 0;
+#endif
 }
 
 /*