When writing to the mbuf array for receiving packets, do not assume
16-byte alignment by using aligned stores. If the pointers are only
8-byte aligned, the program will crash due to incorrect alignment.
Changing "store" to "storeu" fixes this.
Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
---
lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
b/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
index 826e085..bafb215 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
@@ -256,7 +256,7 @@ ixgbe_recv_pkts_vec(void *rx_queue, struct rte_mbuf
**rx_pkts,
descs[3] = _mm_loadu_si128((__m128i *)(rxdp + 3));
/* B.2 copy 2 mbuf point into rx_pkts */
- _mm_store_si128((__m128i *)&rx_pkts[pos], mbp1);
+ _mm_storeu_si128((__m128i *)&rx_pkts[pos], mbp1);
/* B.1 load 1 mbuf point */
mbp2 = _mm_loadu_si128((__m128i *)&sw_ring[pos+2]);
@@ -267,7 +267,7 @@ ixgbe_recv_pkts_vec(void *rx_queue, struct rte_mbuf
**rx_pkts,
descs[0] = _mm_loadu_si128((__m128i *)(rxdp));
/* B.2 copy 2 mbuf point into rx_pkts */
- _mm_store_si128((__m128i *)&rx_pkts[pos+2], mbp2);
+ _mm_storeu_si128((__m128i *)&rx_pkts[pos+2], mbp2);
/* avoid compiler reorder optimization */
rte_compiler_barrier();
--
1.9.3
