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path: root/hw/virtio/virtio-mmio.c
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Diffstat (limited to 'hw/virtio/virtio-mmio.c')
-rw-r--r--hw/virtio/virtio-mmio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
index c8f72947d4..18660b07b1 100644
--- a/hw/virtio/virtio-mmio.c
+++ b/hw/virtio/virtio-mmio.c
@@ -333,8 +333,11 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value,
case VIRTIO_MMIO_QUEUENUM:
DPRINTF("mmio_queue write %d max %d\n", (int)value, VIRTQUEUE_MAX_SIZE);
virtio_queue_set_num(vdev, vdev->queue_sel, value);
+ /* Note: only call this function for legacy devices */
+ virtio_queue_update_rings(vdev, vdev->queue_sel);
break;
case VIRTIO_MMIO_QUEUEALIGN:
+ /* Note: this is only valid for legacy devices */
virtio_queue_set_align(vdev, vdev->queue_sel, value);
break;
case VIRTIO_MMIO_QUEUEPFN: