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-rw-r--r--drivers/virtio/virtio_ring.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 78428a863b46..5aa43c3392a2 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -308,9 +308,9 @@ bool virtqueue_kick_prepare(struct virtqueue *_vq)
308 bool needs_kick; 308 bool needs_kick;
309 309
310 START_USE(vq); 310 START_USE(vq);
311 /* Descriptors and available array need to be set before we expose the 311 /* We need to expose available array entries before checking avail
312 * new available array entries. */ 312 * event. */
313 virtio_wmb(vq); 313 virtio_mb(vq);
314 314
315 old = vq->vring.avail->idx - vq->num_added; 315 old = vq->vring.avail->idx - vq->num_added;
316 new = vq->vring.avail->idx; 316 new = vq->vring.avail->idx;