From: Nipun Gupta <nipun.gupta@nxp.com>
Date: Tue, 23 Jan 2018 14:17:52 +0000 (+0530)
Subject: event/dpaa2: prefetch the next DQRR entry
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=c409ed1bb0aa86d9fc56b781ba48d59489e826c6

event/dpaa2: prefetch the next DQRR entry

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---

diff --git a/drivers/event/dpaa2/dpaa2_eventdev.c b/drivers/event/dpaa2/dpaa2_eventdev.c
index 84ecd1b86b..c3e6fbff10 100644
--- a/drivers/event/dpaa2/dpaa2_eventdev.c
+++ b/drivers/event/dpaa2/dpaa2_eventdev.c
@@ -255,9 +255,9 @@ dpaa2_eventdev_dequeue_burst(void *port, struct rte_event ev[],
 			}
 			return num_pkts;
 		}
+		qbman_swp_prefetch_dqrr_next(swp);
 
 		fd = qbman_result_DQ_fd(dq);
-
 		rxq = (struct dpaa2_queue *)qbman_result_DQ_fqd_ctx(dq);
 		if (rxq) {
 			rxq->cb(swp, fd, dq, rxq, &ev[num_pkts]);