[dpdk-dev] [PATCH v4 25/26] virtio: Fix wmb issue

[Ouyang Changchun]

It needs use virtio_wmb instead of virtio_rmb for store memory barrier.

Signed-off-by: Changchun Ouyang <changchun.ouyang at intel.com>
---
 lib/librte_pmd_virtio/virtqueue.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_pmd_virtio/virtqueue.h b/lib/librte_pmd_virtio/virtqueue.h
index 6c45c27..41dda50 100644
--- a/lib/librte_pmd_virtio/virtqueue.h
+++ b/lib/librte_pmd_virtio/virtqueue.h
@@ -266,7 +266,7 @@ virtqueue_full(const struct virtqueue *vq)
 static inline void
 vq_update_avail_idx(struct virtqueue *vq)
 {
-	virtio_rmb();
+	virtio_wmb();
 	vq->vq_ring.avail->idx = vq->vq_avail_idx;
 }
 
-- 
1.8.4.2