22 #define arch_spin_lock_init(x)			((x)->lock = 0)
43 static __always_inline void __ticket_spin_lock(arch_spinlock_t *lock)  in __ticket_spin_lock()  argument
45 	int	*p = (int *)&lock->lock, ticket, serve;  in __ticket_spin_lock()
63 static __always_inline int __ticket_spin_trylock(arch_spinlock_t *lock)  in __ticket_spin_trylock()  argument
65 	int tmp = READ_ONCE(lock->lock);  in __ticket_spin_trylock()
68 		return ia64_cmpxchg(acq, &lock->lock, tmp, tmp + 1, sizeof (tmp)) == tmp;  in __ticket_spin_trylock()
72 static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock)  in __ticket_spin_unlock()  argument
74 	unsigned short	*p = (unsigned short *)&lock->lock + 1, tmp;  in __ticket_spin_unlock()
82 static inline int __ticket_spin_is_locked(arch_spinlock_t *lock)  in __ticket_spin_is_locked()  argument
84 	long tmp = READ_ONCE(lock->lock);  in __ticket_spin_is_locked()
89 static inline int __ticket_spin_is_contended(arch_spinlock_t *lock)  in __ticket_spin_is_contended()  argument
91 	long tmp = READ_ONCE(lock->lock);  in __ticket_spin_is_contended()
96 static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock)  in arch_spin_value_unlocked()  argument
98 	return !(((lock.lock >> TICKET_SHIFT) ^ lock.lock) & TICKET_MASK);  in arch_spin_value_unlocked()
101 static inline int arch_spin_is_locked(arch_spinlock_t *lock)  in arch_spin_is_locked()  argument
103 	return __ticket_spin_is_locked(lock);  in arch_spin_is_locked()
106 static inline int arch_spin_is_contended(arch_spinlock_t *lock)  in arch_spin_is_contended()  argument
108 	return __ticket_spin_is_contended(lock);  in arch_spin_is_contended()
112 static __always_inline void arch_spin_lock(arch_spinlock_t *lock)  in arch_spin_lock()  argument
114 	__ticket_spin_lock(lock);  in arch_spin_lock()
117 static __always_inline int arch_spin_trylock(arch_spinlock_t *lock)  in arch_spin_trylock()  argument
119 	return __ticket_spin_trylock(lock);  in arch_spin_trylock()
122 static __always_inline void arch_spin_unlock(arch_spinlock_t *lock)  in arch_spin_unlock()  argument
124 	__ticket_spin_unlock(lock);  in arch_spin_unlock()
130 arch_read_lock(arch_rwlock_t *lock)  in arch_read_lock()  argument
151 		: : "r"(lock), "r"(flags), "i"(IA64_PSR_I_BIT)  in arch_read_lock()
179 arch_write_lock(arch_rwlock_t *lock)  in arch_write_lock()  argument
201 		: : "r"(lock), "r"(flags), "i"(IA64_PSR_I_BIT)  in arch_write_lock()
256 		arch_rwlock_t lock;  in arch_read_trylock()  member
259 	old.lock = new.lock = *x;  in arch_read_trylock()
260 	old.lock.write_lock = new.lock.write_lock = 0;  in arch_read_trylock()
261 	++new.lock.read_counter;  in arch_read_trylock()