Re: [PATCH] migration/qmp: Update "resume" flag doc in "migrate" command

[Markus Armbruster <armbru@redhat.com>]

Peter Xu <peterx@redhat.com> writes:

> It wasn't obvious how the resume flag should be used when staring at the
> QAPI doc.  Enrich it to be crystal clear.
>
> Reported-by: Markus Armbruster <armbru@redhat.com>
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
>  qapi/migration.json | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/qapi/migration.json b/qapi/migration.json
> index be0f3fcc12..48856078db 100644
> --- a/qapi/migration.json
> +++ b/qapi/migration.json
> @@ -1732,7 +1732,10 @@
>  # @detach: this argument exists only for compatibility reasons and is
>  #     ignored by QEMU
>  #
> -# @resume: resume one paused migration, default "off".  (since 3.0)
> +# @resume: when set, resume one paused postcopy migration, using the new

Scratch "one" unless there can be more than one.

> +#     URI/channels specified to replace the old/broken channels.  The user
> +#     should make sure the migration is in "postcopy-paused" state before
> +#     the resume request.  Default "off".  (since 3.0)
>  #
>  # Features:
>  #

What happens when migration is not in state "postcopy-paused"?

Remind me, how can migration get into and out of this state?