diff options
Diffstat (limited to 'include/asm-sparc64/spinlock.h')
| -rw-r--r-- | include/asm-sparc64/spinlock.h | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h index 9cb93a5c2b4..a02c4370eb4 100644 --- a/include/asm-sparc64/spinlock.h +++ b/include/asm-sparc64/spinlock.h @@ -43,7 +43,7 @@ typedef struct { #define spin_is_locked(lp) ((lp)->lock != 0) #define spin_unlock_wait(lp) \ -do { membar("#LoadLoad"); \ +do { rmb(); \ } while((lp)->lock) static inline void _raw_spin_lock(spinlock_t *lock) @@ -129,15 +129,18 @@ typedef struct { #define spin_is_locked(__lock) ((__lock)->lock != 0) #define spin_unlock_wait(__lock) \ do { \ - membar("#LoadLoad"); \ + rmb(); \ } while((__lock)->lock) -extern void _do_spin_lock (spinlock_t *lock, char *str); -extern void _do_spin_unlock (spinlock_t *lock); -extern int _do_spin_trylock (spinlock_t *lock); +extern void _do_spin_lock(spinlock_t *lock, char *str, unsigned long caller); +extern void _do_spin_unlock(spinlock_t *lock); +extern int _do_spin_trylock(spinlock_t *lock, unsigned long caller); -#define _raw_spin_trylock(lp) _do_spin_trylock(lp) -#define _raw_spin_lock(lock) _do_spin_lock(lock, "spin_lock") +#define _raw_spin_trylock(lp) \ + _do_spin_trylock(lp, (unsigned long) __builtin_return_address(0)) +#define _raw_spin_lock(lock) \ + _do_spin_lock(lock, "spin_lock", \ + (unsigned long) __builtin_return_address(0)) #define _raw_spin_unlock(lock) _do_spin_unlock(lock) #define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock) @@ -279,37 +282,41 @@ typedef struct { #define RW_LOCK_UNLOCKED (rwlock_t) { 0, 0, 0xff, { } } #define rwlock_init(lp) do { *(lp) = RW_LOCK_UNLOCKED; } while(0) -extern void _do_read_lock(rwlock_t *rw, char *str); -extern void _do_read_unlock(rwlock_t *rw, char *str); -extern void _do_write_lock(rwlock_t *rw, char *str); -extern void _do_write_unlock(rwlock_t *rw); -extern int _do_write_trylock(rwlock_t *rw, char *str); +extern void _do_read_lock(rwlock_t *rw, char *str, unsigned long caller); +extern void _do_read_unlock(rwlock_t *rw, char *str, unsigned long caller); +extern void _do_write_lock(rwlock_t *rw, char *str, unsigned long caller); +extern void _do_write_unlock(rwlock_t *rw, unsigned long caller); +extern int _do_write_trylock(rwlock_t *rw, char *str, unsigned long caller); #define _raw_read_lock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - _do_read_lock(lock, "read_lock"); \ + _do_read_lock(lock, "read_lock", \ + (unsigned long) __builtin_return_address(0)); \ local_irq_restore(flags); \ } while(0) #define _raw_read_unlock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - _do_read_unlock(lock, "read_unlock"); \ + _do_read_unlock(lock, "read_unlock", \ + (unsigned long) __builtin_return_address(0)); \ local_irq_restore(flags); \ } while(0) #define _raw_write_lock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - _do_write_lock(lock, "write_lock"); \ + _do_write_lock(lock, "write_lock", \ + (unsigned long) __builtin_return_address(0)); \ local_irq_restore(flags); \ } while(0) #define _raw_write_unlock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - _do_write_unlock(lock); \ + _do_write_unlock(lock, \ + (unsigned long) __builtin_return_address(0)); \ local_irq_restore(flags); \ } while(0) @@ -317,7 +324,8 @@ do { unsigned long flags; \ ({ unsigned long flags; \ int val; \ local_irq_save(flags); \ - val = _do_write_trylock(lock, "write_trylock"); \ + val = _do_write_trylock(lock, "write_trylock", \ + (unsigned long) __builtin_return_address(0)); \ local_irq_restore(flags); \ val; \ }) |