virtio_ring: advertize packed ring layout

Advertize the packed ring layout support.

Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 40e4d37..cd7e755 100644 (file)
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -2211,6 +2211,8 @@ void vring_transport_features(struct virtio_device *vdev)
                        break;
                case VIRTIO_F_IOMMU_PLATFORM:
                        break;
+               case VIRTIO_F_RING_PACKED:
+                       break;
                default:
                        /* We don't understand this bit. */
                        __virtio_clear_bit(vdev, i);