Re: [PATCH v3 05/24] migration: Add MIG_CMD_SWITCHOVER_START and its load handler

[Fabiano Rosas]

"Maciej S. Szmigiero" <mail@maciej.szmigiero.name> writes:

> From: "Maciej S. Szmigiero" <maciej.szmigiero@oracle.com>
>
> This QEMU_VM_COMMAND sub-command and its switchover_start SaveVMHandler is
> used to mark the switchover point in main migration stream.
>
> It can be used to inform the destination that all pre-switchover main
> migration stream data has been sent/received so it can start to process
> post-switchover data that it might have received via other migration
> channels like the multifd ones.
>
> Add also the relevant MigrationState bit stream compatibility property and
> its hw_compat entry.
>
> Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>

Reviewed-by: Fabiano Rosas <farosas@suse.de>