[dpdk-dev] [PATCH] ixgbe: use rte_mbuf_prefetch_part2 for cacheline1 access

Jerin Jacob jerin.jacob at caviumnetworks.com
Fri Jun 17 16:06:44 CEST 2016


made second cache line access behavior same as IA

Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
 drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c
index 9c1d124..64a329e 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_neon.c
@@ -280,10 +280,10 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 		vst1q_u64((uint64_t *)&rx_pkts[pos + 2], mbp2);
 
 		if (split_packet) {
-			rte_prefetch_non_temporal(&rx_pkts[pos]->cacheline1);
-			rte_prefetch_non_temporal(&rx_pkts[pos + 1]->cacheline1);
-			rte_prefetch_non_temporal(&rx_pkts[pos + 2]->cacheline1);
-			rte_prefetch_non_temporal(&rx_pkts[pos + 3]->cacheline1);
+			rte_mbuf_prefetch_part2(rx_pkts[pos]);
+			rte_mbuf_prefetch_part2(rx_pkts[pos + 1]);
+			rte_mbuf_prefetch_part2(rx_pkts[pos + 2]);
+			rte_mbuf_prefetch_part2(rx_pkts[pos + 3]);
 		}
 
 		/* D.1 pkt 3,4 convert format from desc to pktmbuf */
-- 
2.5.5



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