[PATCH] lockdep: clean up rwsems

Clean up rwsems.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 2 insertions, 53 deletions

diff --git a/include/asm-i386/rwsem.h b/include/asm-i386/rwsem.h
index be4ab85..558804e 100644
--- a/include/asm-i386/rwsem.h
+++ b/include/asm-i386/rwsem.h
@@ -61,23 +61,11 @@ 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) \
-	__RWSEM_DEBUG_INIT }
+	}
 
 #define DECLARE_RWSEM(name) \
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -87,9 +75,6 @@ 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
 }
 
 /*
diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h
index f30f805..d68afcc 100644
--- a/include/linux/rwsem-spinlock.h
+++ b/include/linux/rwsem-spinlock.h
@@ -32,22 +32,10 @@ struct rw_semaphore {
 	__s32			activity;
 	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) \
-{ 0, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) __RWSEM_DEBUG_INIT }
+{ 0, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) }
 
 #define DECLARE_RWSEM(name) \
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index f99fe90..9358153 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -9,8 +9,6 @@
 
 #include <linux/linkage.h>
 
-#define RWSEM_DEBUG 0
-
 #ifdef __KERNEL__
 
 #include <linux/types.h>
@@ -26,23 +24,13 @@ struct rw_semaphore;
 #include <asm/rwsem.h> /* use an arch-specific implementation */
 #endif
 
-#ifndef rwsemtrace
-#if RWSEM_DEBUG
-extern void FASTCALL(rwsemtrace(struct rw_semaphore *sem, const char *str));
-#else
-#define rwsemtrace(SEM,FMT)
-#endif
-#endif
-
 /*
  * lock for reading
  */
 static inline void down_read(struct rw_semaphore *sem)
 {
 	might_sleep();
-	rwsemtrace(sem,"Entering down_read");
 	__down_read(sem);
-	rwsemtrace(sem,"Leaving down_read");
 }
 
 /*
@@ -51,9 +39,7 @@ static inline void down_read(struct rw_semaphore *sem)
 static inline int down_read_trylock(struct rw_semaphore *sem)
 {
 	int ret;
-	rwsemtrace(sem,"Entering down_read_trylock");
 	ret = __down_read_trylock(sem);
-	rwsemtrace(sem,"Leaving down_read_trylock");
 	return ret;
 }
 
@@ -63,9 +49,7 @@ static inline int down_read_trylock(struct rw_semaphore *sem)
 static inline void down_write(struct rw_semaphore *sem)
 {
 	might_sleep();
-	rwsemtrace(sem,"Entering down_write");
 	__down_write(sem);
-	rwsemtrace(sem,"Leaving down_write");
 }
 
 /*
@@ -74,9 +58,7 @@ static inline void down_write(struct rw_semaphore *sem)
 static inline int down_write_trylock(struct rw_semaphore *sem)
 {
 	int ret;
-	rwsemtrace(sem,"Entering down_write_trylock");
 	ret = __down_write_trylock(sem);
-	rwsemtrace(sem,"Leaving down_write_trylock");
 	return ret;
 }
 
@@ -85,9 +67,7 @@ static inline int down_write_trylock(struct rw_semaphore *sem)
  */
 static inline void up_read(struct rw_semaphore *sem)
 {
-	rwsemtrace(sem,"Entering up_read");
 	__up_read(sem);
-	rwsemtrace(sem,"Leaving up_read");
 }
 
 /*
@@ -95,9 +75,7 @@ static inline void up_read(struct rw_semaphore *sem)
  */
 static inline void up_write(struct rw_semaphore *sem)
 {
-	rwsemtrace(sem,"Entering up_write");
 	__up_write(sem);
-	rwsemtrace(sem,"Leaving up_write");
 }
 
 /*
@@ -105,9 +83,7 @@ static inline void up_write(struct rw_semaphore *sem)
  */
 static inline void downgrade_write(struct rw_semaphore *sem)
 {
-	rwsemtrace(sem,"Entering downgrade_write");
 	__downgrade_write(sem);
-	rwsemtrace(sem,"Leaving downgrade_write");
 }
 
 #endif /* __KERNEL__ */