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path: root/drivers/net/virtio/virtio_ring.h
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Diffstat (limited to 'drivers/net/virtio/virtio_ring.h')
-rw-r--r--drivers/net/virtio/virtio_ring.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
index 447760a8..fcecc161 100644
--- a/drivers/net/virtio/virtio_ring.h
+++ b/drivers/net/virtio/virtio_ring.h
@@ -79,7 +79,7 @@ struct vring_used_elem {
struct vring_used {
uint16_t flags;
- uint16_t idx;
+ volatile uint16_t idx;
struct vring_used_elem ring[0];
};