54 static inline int arch_spin_is_locked(arch_spinlock_t *lp)  in arch_spin_is_locked()  argument
56 	return ACCESS_ONCE(lp->lock) != 0;  in arch_spin_is_locked()
59 static inline int arch_spin_trylock_once(arch_spinlock_t *lp)  in arch_spin_trylock_once()  argument
62 	return likely(arch_spin_value_unlocked(*lp) &&  in arch_spin_trylock_once()
63 		      _raw_compare_and_swap(&lp->lock, 0, SPINLOCK_LOCKVAL));  in arch_spin_trylock_once()
66 static inline void arch_spin_lock(arch_spinlock_t *lp)  in arch_spin_lock()  argument
68 	if (!arch_spin_trylock_once(lp))  in arch_spin_lock()
69 		arch_spin_lock_wait(lp);  in arch_spin_lock()
72 static inline void arch_spin_lock_flags(arch_spinlock_t *lp,  in arch_spin_lock_flags()  argument
75 	if (!arch_spin_trylock_once(lp))  in arch_spin_lock_flags()
76 		arch_spin_lock_wait_flags(lp, flags);  in arch_spin_lock_flags()
79 static inline int arch_spin_trylock(arch_spinlock_t *lp)  in arch_spin_trylock()  argument
81 	if (!arch_spin_trylock_once(lp))  in arch_spin_trylock()
82 		return arch_spin_trylock_retry(lp);  in arch_spin_trylock()
86 static inline void arch_spin_unlock(arch_spinlock_t *lp)  in arch_spin_unlock()  argument
88 	typecheck(unsigned int, lp->lock);  in arch_spin_unlock()
92 		: "+Q" (lp->lock)  in arch_spin_unlock()
126 extern int _raw_read_trylock_retry(arch_rwlock_t *lp);
127 extern int _raw_write_trylock_retry(arch_rwlock_t *lp);
180 extern void _raw_read_lock_wait(arch_rwlock_t *lp);
181 extern void _raw_write_lock_wait(arch_rwlock_t *lp, unsigned int prev);
215 extern void _raw_read_lock_wait(arch_rwlock_t *lp);
216 extern void _raw_write_lock_wait(arch_rwlock_t *lp);