Re: [PATCH v20210111 08/39] xl: fix description of migrate --debug

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Olaf Hering writes ("[PATCH v20210111 08/39] xl: fix description of migrate 
--debug"):
> xl migrate --debug used to track every pfn in every batch of pages.
> But these times are gone. Adjust the help text to tell what --debug
> is supposed to do today.
...
> -Display huge (!) amount of debug information during the migration process.
> +Verify transferred domU page data. All memory will be transferred one more
> +time to the destination host while the domU is paused, and compared with
> +the result of the inital transfer while the domU was still running.

Andy, as our expert on migration, can you confirm whether this is
accurate ?

Docs (including usage message) so

Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>


Thanks,
Ian.