On 2024/08/05 19:08, Michael S. Tsirkin wrote:
On Mon, Aug 05, 2024 at 06:37:58PM +0900, Akihiko Odaki wrote:
If cross-migrate=off, QEMU can still migrate on the same host (checkpoint
and restart). QEMU can also migrate across hosts if the user ensures they
are on the same platform.
What is so special about checkpoint/restart? I guess we hope that
downgrades are uncommon, but they are possible...
Downgrades will not work with cross-migrate=off. Users who want
downgrades should use cross-migrate=on.