diff options
| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2016-12-05 11:42:44 +0100 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2016-12-05 11:49:52 +0100 |
| commit | c300e3551a11a249b600463891a19a6792f42901 (patch) | |
| tree | 0ec046063bf0cd783e9a7ccbb4f54baadccf1213 /drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c | |
| parent | 893ab58d98e090c1631f4e2dd43069eeb58e78dc (diff) | |
Imported Upstream version 16.07.2
Change-Id: I76bc313e0942233ce259612069ded302dd6c87bb
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c index 1c4fd7c1..7fb155a4 100644 --- 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 */ |