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/fm10k/fm10k_rxtx_vec.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/fm10k/fm10k_rxtx_vec.c')
| -rw-r--r-- | drivers/net/fm10k/fm10k_rxtx_vec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c b/drivers/net/fm10k/fm10k_rxtx_vec.c index 9ea747e1..c9a49e36 100644 --- a/drivers/net/fm10k/fm10k_rxtx_vec.c +++ b/drivers/net/fm10k/fm10k_rxtx_vec.c @@ -468,6 +468,7 @@ fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, /* Read desc statuses backwards to avoid race condition */ /* A.1 load 4 pkts desc */ descs0[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); @@ -476,8 +477,10 @@ fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, mbp2 = _mm_loadu_si128((__m128i *)&mbufp[pos+2]); descs0[2] = _mm_loadu_si128((__m128i *)(rxdp + 2)); + rte_compiler_barrier(); /* B.1 load 2 mbuf point */ descs0[1] = _mm_loadu_si128((__m128i *)(rxdp + 1)); + rte_compiler_barrier(); descs0[0] = _mm_loadu_si128((__m128i *)(rxdp)); /* B.2 copy 2 mbuf point into rx_pkts */ |