On 08/04/2013 19:03, Peter Maydell wrote:
On 8 April 2013 18:00, KONRAD Frédéric <fred.kon...@greensocs.com> wrote:
I'm making a patch for that, and I'm wondering if the name in
register_savevm must be changed too?

eg for virtio-balloon:

-    register_savevm(qdev, "virtio-balloon", -1, 1,
+    register_savevm(qdev, TYPE_VIRTIO_BALLOON, -1, 1,
                      virtio_balloon_save, virtio_balloon_load, s);

with TYPE_VIRTIO_BALLOON "virtio-balloon-device"?
You specifically don't want to change the register_savevm name,
because otherwise you'll break migration (we use the ID string
to identify what incoming migration data is).

-- PMM
Ok, you mean migration between two qemu's version with the different name?

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