49 	set_bit(0, (volatile unsigned long *)&lock->tickets.head);  in __ticket_enter_slowpath()
69 							__ticket_t head)  in __ticket_check_and_clear_slowpath()  argument
71 	if (head & TICKET_SLOWPATH_FLAG) {  in __ticket_check_and_clear_slowpath()
74 		old.tickets.head = head;  in __ticket_check_and_clear_slowpath()
75 		new.tickets.head = head & ~TICKET_SLOWPATH_FLAG;  in __ticket_check_and_clear_slowpath()
76 		old.tickets.tail = new.tickets.head + TICKET_LOCK_INC;  in __ticket_check_and_clear_slowpath()
86 	return __tickets_equal(lock.tickets.head, lock.tickets.tail);  in arch_spin_value_unlocked()
107 	if (likely(inc.head == inc.tail))  in arch_spin_lock()
114 			inc.head = READ_ONCE(lock->tickets.head);  in arch_spin_lock()
115 			if (__tickets_equal(inc.head, inc.tail))  in arch_spin_lock()
122 	__ticket_check_and_clear_slowpath(lock, inc.head);  in arch_spin_lock()
132 	if (!__tickets_equal(old.tickets.head, old.tickets.tail))  in arch_spin_trylock()
146 		__ticket_t head;  in arch_spin_unlock()  local
150 		head = xadd(&lock->tickets.head, TICKET_LOCK_INC);  in arch_spin_unlock()
152 		if (unlikely(head & TICKET_SLOWPATH_FLAG)) {  in arch_spin_unlock()
153 			head &= ~TICKET_SLOWPATH_FLAG;  in arch_spin_unlock()
154 			__ticket_unlock_kick(lock, (head + TICKET_LOCK_INC));  in arch_spin_unlock()
157 		__add(&lock->tickets.head, TICKET_LOCK_INC, UNLOCK_LOCK_PREFIX);  in arch_spin_unlock()
164 	return !__tickets_equal(tmp.tail, tmp.head);  in arch_spin_is_locked()
171 	tmp.head &= ~TICKET_SLOWPATH_FLAG;  in arch_spin_is_contended()
172 	return (__ticket_t)(tmp.tail - tmp.head) > TICKET_LOCK_INC;  in arch_spin_is_contended()
184 	__ticket_t head = READ_ONCE(lock->tickets.head);  in arch_spin_unlock_wait()  local
192 		if (__tickets_equal(tmp.head, tmp.tail) ||  in arch_spin_unlock_wait()
193 				!__tickets_equal(tmp.head, head))  in arch_spin_unlock_wait()