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()
80 static inline int __ticket_spin_is_locked(arch_spinlock_t *lock)  in __ticket_spin_is_locked()  argument
82 	long tmp = READ_ONCE(lock->lock);  in __ticket_spin_is_locked()
87 static inline int __ticket_spin_is_contended(arch_spinlock_t *lock)  in __ticket_spin_is_contended()  argument
89 	long tmp = READ_ONCE(lock->lock);  in __ticket_spin_is_contended()
94 static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock)  in arch_spin_value_unlocked()  argument
96 	return !(((lock.lock >> TICKET_SHIFT) ^ lock.lock) & TICKET_MASK);  in arch_spin_value_unlocked()
99 static inline int arch_spin_is_locked(arch_spinlock_t *lock)  in arch_spin_is_locked()  argument
101 	return __ticket_spin_is_locked(lock);  in arch_spin_is_locked()
104 static inline int arch_spin_is_contended(arch_spinlock_t *lock)  in arch_spin_is_contended()  argument
106 	return __ticket_spin_is_contended(lock);  in arch_spin_is_contended()
110 static __always_inline void arch_spin_lock(arch_spinlock_t *lock)  in arch_spin_lock()  argument
112 	__ticket_spin_lock(lock);  in arch_spin_lock()
115 static __always_inline int arch_spin_trylock(arch_spinlock_t *lock)  in arch_spin_trylock()  argument
117 	return __ticket_spin_trylock(lock);  in arch_spin_trylock()
120 static __always_inline void arch_spin_unlock(arch_spinlock_t *lock)  in arch_spin_unlock()  argument
122 	__ticket_spin_unlock(lock);  in arch_spin_unlock()
125 static __always_inline void arch_spin_lock_flags(arch_spinlock_t *lock,  in arch_spin_lock_flags()  argument
128 	arch_spin_lock(lock);  in arch_spin_lock_flags()
135 arch_read_lock_flags(arch_rwlock_t *lock, unsigned long flags)  in arch_read_lock_flags()  argument
154 		: : "r"(lock), "r"(flags), "i"(IA64_PSR_I_BIT)  in arch_read_lock_flags()
159 #define arch_read_lock(lock) arch_read_lock_flags(lock, 0)  argument
187 arch_write_lock_flags(arch_rwlock_t *lock, unsigned long flags)  in arch_write_lock_flags()  argument
207 		: : "r"(lock), "r"(flags), "i"(IA64_PSR_I_BIT)  in arch_write_lock_flags()
265 		arch_rwlock_t lock;  in arch_read_trylock()  member
268 	old.lock = new.lock = *x;  in arch_read_trylock()
269 	old.lock.write_lock = new.lock.write_lock = 0;  in arch_read_trylock()
270 	++new.lock.read_counter;  in arch_read_trylock()