Signed-off-by: Maxime Coquelin <[email protected]>
---
lib/librte_vhost/virtio_net.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 0980efe53..115bb885d 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -1076,6 +1076,8 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
vq->shadow_used_idx = 0;
}
+ rte_prefetch0(&vq->avail->ring[vq->last_avail_idx & (vq->size - 1)]);
+
/*
* Construct a RARP broadcast packet, and inject it to the "pkts"
* array, to looks like that guest actually send such packet.
--
2.14.4
