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virtio: introduce device specific migration calls

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In order to migrate virtio subsections, they should be streamed after
the device itself. We need the device specific code to be called from
the common migration code to achieve this. This patch introduces load
and save methods for this purpose.

Suggested-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Greg Kurz 2014-06-24 19:15:31 +02:00 • committed by Michael S. Tsirkin
parent e38e943a1f
commit 1b5fc0dea4
8 changed files with 21 additions and 8 deletions
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2
hw/net/virtio-net.c
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@ -1362,7 +1362,7 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id)
if (version_id < 2 || version_id > VIRTIO_NET_VM_VERSION)
return -EINVAL;
ret = virtio_load(vdev, f);
ret = virtio_load(vdev, f, version_id);
if (ret) {
return ret;
}