X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-alpha%2Frwsem.h;h=fafdd4f7010a821155a86302b4262b091de286f2;hb=9464c7cf61b9433057924c36e6e02f303a00e768;hp=1570c0b5433649e4bafeb6601bfa77aeee8d6a44;hpb=41689045f6a3cbe0550e1d34e9cc20d2e8c432ba;p=linux-2.6.git

diff --git a/include/asm-alpha/rwsem.h b/include/asm-alpha/rwsem.h
index 1570c0b54..fafdd4f70 100644
--- a/include/asm-alpha/rwsem.h
+++ b/include/asm-alpha/rwsem.h
@@ -36,11 +36,20 @@ 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
 };
 
+#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)
@@ -50,6 +59,9 @@ 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
 }
 
 static inline void __down_read(struct rw_semaphore *sem)