Imported Upstream version 16.07.2

[deb_dpdk.git] / drivers / net / ixgbe / ixgbe_rxtx_vec_sse.c

diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
index 1c4fd7c..7fb155a 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
@@ -305,6 +305,7 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
                /* Read desc statuses backwards to avoid race condition */
                /* A.1 load 4 pkts desc */
                descs[3] = _mm_loadu_si128((__m128i *)(rxdp + 3));
+               rte_compiler_barrier();
 
                /* B.2 copy 2 mbuf point into rx_pkts  */
                _mm_storeu_si128((__m128i *)&rx_pkts[pos], mbp1);
@@ -313,8 +314,10 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
                mbp2 = _mm_loadu_si128((__m128i *)&sw_ring[pos+2]);
 
                descs[2] = _mm_loadu_si128((__m128i *)(rxdp + 2));
+               rte_compiler_barrier();
                /* B.1 load 2 mbuf point */
                descs[1] = _mm_loadu_si128((__m128i *)(rxdp + 1));
+               rte_compiler_barrier();
                descs[0] = _mm_loadu_si128((__m128i *)(rxdp));
 
                /* B.2 copy 2 mbuf point into rx_pkts  */