122 	uint32_t cons_head, cons_next;  in buf_ring_dequeue_mc()  local
127 		cons_head = br->br_cons_head;  in buf_ring_dequeue_mc()
128 		cons_next = (cons_head + 1) & br->br_cons_mask;  in buf_ring_dequeue_mc()
130 		if (cons_head == br->br_prod_tail) {  in buf_ring_dequeue_mc()
134 	} while (!atomic_cmpset_acq_int(&br->br_cons_head, cons_head, cons_next));  in buf_ring_dequeue_mc()
136 	buf = br->br_ring[cons_head];  in buf_ring_dequeue_mc()
138 	br->br_ring[cons_head] = NULL;  in buf_ring_dequeue_mc()
145 	while (br->br_cons_tail != cons_head)  in buf_ring_dequeue_mc()
162 	uint32_t cons_head, cons_next;  in buf_ring_dequeue_sc()  local
195 	cons_head = atomic_load_acq_32(&br->br_cons_head);  in buf_ring_dequeue_sc()
197 	cons_head = br->br_cons_head;  in buf_ring_dequeue_sc()
201 	cons_next = (cons_head + 1) & br->br_cons_mask;  in buf_ring_dequeue_sc()
203 	cons_next_next = (cons_head + 2) & br->br_cons_mask;  in buf_ring_dequeue_sc()
206 	if (cons_head == prod_tail)   in buf_ring_dequeue_sc()
217 	buf = br->br_ring[cons_head];  in buf_ring_dequeue_sc()
220 	br->br_ring[cons_head] = NULL;  in buf_ring_dequeue_sc()
223 	if (br->br_cons_tail != cons_head)  in buf_ring_dequeue_sc()
225 		    br->br_cons_tail, cons_head);  in buf_ring_dequeue_sc()
239 	uint32_t cons_head, cons_next;  in buf_ring_advance_sc()  local
242 	cons_head = br->br_cons_head;  in buf_ring_advance_sc()
245 	cons_next = (cons_head + 1) & br->br_cons_mask;  in buf_ring_advance_sc()
246 	if (cons_head == prod_tail)   in buf_ring_advance_sc()
250 	br->br_ring[cons_head] = NULL;  in buf_ring_advance_sc()