84 	u32 tail ____cacheline_aligned_in_smp;
476 	if (ctx->cached_cq_tail != READ_ONCE(rings->cq.tail)) {  in __io_commit_cqring()
478 		smp_store_release(&rings->cq.tail, ctx->cached_cq_tail);  in __io_commit_cqring()
550 	unsigned tail;  in io_get_cqring()  local
552 	tail = ctx->cached_cq_tail;  in io_get_cqring()
558 	if (tail - READ_ONCE(rings->cq.head) == rings->cq_ring_entries)  in io_get_cqring()
562 	return &rings->cqes[tail & ctx->cq_mask];  in io_get_cqring()
745 	return READ_ONCE(rings->cq.tail) - READ_ONCE(rings->cq.head);  in io_cqring_events()
753 	return smp_load_acquire(&rings->sq.tail) - ctx->cached_sq_head;  in io_sqring_entries()
2607 	if (head == smp_load_acquire(&rings->sq.tail))  in io_get_sqring()
2966 	return READ_ONCE(rings->cq.head) == READ_ONCE(rings->cq.tail) ? ret : 0;  in io_cqring_wait()
3616 	if (READ_ONCE(ctx->rings->sq.tail) - ctx->cached_sq_head !=  in io_uring_poll()
3899 	p->sq_off.tail = offsetof(struct io_rings, sq.tail);  in io_uring_create()
3908 	p->cq_off.tail = offsetof(struct io_rings, cq.tail);  in io_uring_create()