36 static inline int arch_spin_is_locked(arch_spinlock_t *lock)  in arch_spin_is_locked()  argument
45 	return lock->next_ticket != lock->current_ticket;  in arch_spin_is_locked()
48 void arch_spin_lock(arch_spinlock_t *lock);
51 #define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)  argument
53 int arch_spin_trylock(arch_spinlock_t *lock);
55 static inline void arch_spin_unlock(arch_spinlock_t *lock)  in arch_spin_unlock()  argument
58 	int old_ticket = lock->current_ticket;  in arch_spin_unlock()
60 	lock->current_ticket = old_ticket + TICKET_QUANTUM;  in arch_spin_unlock()
63 void arch_spin_unlock_wait(arch_spinlock_t *lock);
85 	return (rwlock->lock << _RD_COUNT_WIDTH) == 0;  in arch_read_can_lock()
93 	return rwlock->lock == 0;  in arch_write_can_lock()
126 #define arch_read_lock_flags(lock, flags) arch_read_lock(lock)  argument
127 #define arch_write_lock_flags(lock, flags) arch_write_lock(lock)  argument