19 #define arch_spin_lock_init(x)			((x)->lock = 0)
40 static __always_inline void __ticket_spin_lock(arch_spinlock_t *lock)  in __ticket_spin_lock()  argument
42 	int	*p = (int *)&lock->lock, ticket, serve;  in __ticket_spin_lock()
60 static __always_inline int __ticket_spin_trylock(arch_spinlock_t *lock)  in __ticket_spin_trylock()  argument
62 	int tmp = ACCESS_ONCE(lock->lock);  in __ticket_spin_trylock()
65 		return ia64_cmpxchg(acq, &lock->lock, tmp, tmp + 1, sizeof (tmp)) == tmp;  in __ticket_spin_trylock()
69 static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock)  in __ticket_spin_unlock()  argument
71 	unsigned short	*p = (unsigned short *)&lock->lock + 1, tmp;  in __ticket_spin_unlock()
77 static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock)  in __ticket_spin_unlock_wait()  argument
79 	int	*p = (int *)&lock->lock, ticket;  in __ticket_spin_unlock_wait()
91 static inline int __ticket_spin_is_locked(arch_spinlock_t *lock)  in __ticket_spin_is_locked()  argument
93 	long tmp = ACCESS_ONCE(lock->lock);  in __ticket_spin_is_locked()
98 static inline int __ticket_spin_is_contended(arch_spinlock_t *lock)  in __ticket_spin_is_contended()  argument
100 	long tmp = ACCESS_ONCE(lock->lock);  in __ticket_spin_is_contended()
105 static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock)  in arch_spin_value_unlocked()  argument
107 	return !(((lock.lock >> TICKET_SHIFT) ^ lock.lock) & TICKET_MASK);  in arch_spin_value_unlocked()
110 static inline int arch_spin_is_locked(arch_spinlock_t *lock)  in arch_spin_is_locked()  argument
112 	return __ticket_spin_is_locked(lock);  in arch_spin_is_locked()
115 static inline int arch_spin_is_contended(arch_spinlock_t *lock)  in arch_spin_is_contended()  argument
117 	return __ticket_spin_is_contended(lock);  in arch_spin_is_contended()
121 static __always_inline void arch_spin_lock(arch_spinlock_t *lock)  in arch_spin_lock()  argument
123 	__ticket_spin_lock(lock);  in arch_spin_lock()
126 static __always_inline int arch_spin_trylock(arch_spinlock_t *lock)  in arch_spin_trylock()  argument
128 	return __ticket_spin_trylock(lock);  in arch_spin_trylock()
131 static __always_inline void arch_spin_unlock(arch_spinlock_t *lock)  in arch_spin_unlock()  argument
133 	__ticket_spin_unlock(lock);  in arch_spin_unlock()
136 static __always_inline void arch_spin_lock_flags(arch_spinlock_t *lock,  in arch_spin_lock_flags()  argument
139 	arch_spin_lock(lock);  in arch_spin_lock_flags()
142 static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)  in arch_spin_unlock_wait()  argument
144 	__ticket_spin_unlock_wait(lock);  in arch_spin_unlock_wait()
153 arch_read_lock_flags(arch_rwlock_t *lock, unsigned long flags)  in arch_read_lock_flags()  argument
172 		: : "r"(lock), "r"(flags), "i"(IA64_PSR_I_BIT)  in arch_read_lock_flags()
176 #define arch_read_lock(lock) arch_read_lock_flags(lock, 0)  argument
204 arch_write_lock_flags(arch_rwlock_t *lock, unsigned long flags)  in arch_write_lock_flags()  argument
224 		: : "r"(lock), "r"(flags), "i"(IA64_PSR_I_BIT)  in arch_write_lock_flags()
283 		arch_rwlock_t lock;  in arch_read_trylock()  member
286 	old.lock = new.lock = *x;  in arch_read_trylock()
287 	old.lock.write_lock = new.lock.write_lock = 0;  in arch_read_trylock()
288 	++new.lock.read_counter;  in arch_read_trylock()
292 #define arch_spin_relax(lock)	cpu_relax()  argument
293 #define arch_read_relax(lock)	cpu_relax()  argument
294 #define arch_write_relax(lock)	cpu_relax()  argument