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fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git]
/
include
/
asm-xtensa
/
rwsem.h
diff --git
a/include/asm-xtensa/rwsem.h
b/include/asm-xtensa/rwsem.h
index
3c02b0e
..
0aad3a5
100644
(file)
--- a/
include/asm-xtensa/rwsem.h
+++ b/
include/asm-xtensa/rwsem.h
@@
-31,24
+31,11
@@
struct rw_semaphore {
#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
spinlock_t wait_lock;
struct list_head wait_list;
#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, \
#define __RWSEM_INITIALIZER(name) \
{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
- LIST_HEAD_INIT((name).wait_list) \
- __RWSEM_DEBUG_INIT }
+ LIST_HEAD_INIT((name).wait_list) }
#define DECLARE_RWSEM(name) \
struct rw_semaphore name = __RWSEM_INITIALIZER(name)
#define DECLARE_RWSEM(name) \
struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@
-63,9
+50,6
@@
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);
sem->count = RWSEM_UNLOCKED_VALUE;
spin_lock_init(&sem->wait_lock);
INIT_LIST_HEAD(&sem->wait_list);
-#if RWSEM_DEBUG
- sem->debug = 0;
-#endif
}
/*
}
/*
@@
-172,4
+156,9
@@
static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
return atomic_add_return(delta, (atomic_t *)(&sem->count));
}
return atomic_add_return(delta, (atomic_t *)(&sem->count));
}
-#endif /* _XTENSA_RWSEM_XADD_H */
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+ return (sem->count != 0);
+}
+
+#endif /* _XTENSA_RWSEM_H */