57 	struct dtl_ring *dtlr = this_cpu_ptr(&dtl_rings);  in consume_dtle()  local
58 	struct dtl_entry *wp = dtlr->write_ptr;  in consume_dtle()
72 	if (wp == dtlr->buf_end)  in consume_dtle()
73 		wp = dtlr->buf;  in consume_dtle()
74 	dtlr->write_ptr = wp;  in consume_dtle()
78 	++dtlr->write_index;  in consume_dtle()
83 	struct dtl_ring *dtlr = &per_cpu(dtl_rings, dtl->cpu);  in dtl_start()  local
85 	dtlr->buf = dtl->buf;  in dtl_start()
86 	dtlr->buf_end = dtl->buf + dtl->buf_entries;  in dtl_start()
87 	dtlr->write_index = 0;  in dtl_start()
91 	dtlr->write_ptr = dtl->buf;  in dtl_start()
103 	struct dtl_ring *dtlr = &per_cpu(dtl_rings, dtl->cpu);  in dtl_stop()  local
105 	dtlr->write_ptr = NULL;  in dtl_stop()
108 	dtlr->buf = NULL;  in dtl_stop()