65 static inline bool spsc_queue_push(struct spsc_queue *queue, struct spsc_node *node)  in spsc_queue_push()  argument
69 	node->next = NULL;  in spsc_queue_push()
73 	tail = (struct spsc_node **)atomic_long_xchg(&queue->tail, (long)&node->next);  in spsc_queue_push()
74 	WRITE_ONCE(*tail, node);  in spsc_queue_push()
91 	struct spsc_node *next, *node;  in spsc_queue_pop()  local
96 	node = READ_ONCE(queue->head);  in spsc_queue_pop()
98 	if (!node)  in spsc_queue_pop()
101 	next = READ_ONCE(node->next);  in spsc_queue_pop()
108 				(long)&node->next, (long) &queue->head) != (long)&node->next) {  in spsc_queue_pop()
112 			} while (unlikely(!(queue->head = READ_ONCE(node->next))));  in spsc_queue_pop()
117 	return node;  in spsc_queue_pop()