Vladimir Sementsov-Ogievskiy <vsement...@yandex-team.ru> wrote:
> We don't allow to use x-colo capability when replication is not
> configured. So, no reason to build COLO when replication is disabled,
> it's unusable in this case.
>
> Note also that the check in migrate_caps_check() is not the only
> restriction: some functions in migration/colo.c will just abort if
> called with not defined CONFIG_REPLICATION, for example:
>
>     migration_iteration_finish()
>        case MIGRATION_STATUS_COLO:
>            migrate_start_colo_process()
>                colo_process_checkpoint()
>                    abort()
>
> It could probably make sense to have possibility to enable COLO without
> REPLICATION, but this requires deeper audit of colo & replication code,
> which may be done later if needed.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@yandex-team.ru>
> Acked-by: Dr. David Alan Gilbert <d...@treblig.org>

Reviewed-by: Juan Quintela <quint...@redhat.com>


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