Re: [PATCH v2] balloon: transitional device support

[Rusty Russell <rusty@rustcorp.com.au>]

"Michael S. Tsirkin" <mst@redhat.com> writes:
>    Each statistic consists of a 16 bit
>    tag and a 64 bit value. All statistics are optional and the
>    driver chooses which ones to supply. To guarantee backwards
> -  compatibility, the driver SHOULD omit unsupported statistics.
> +  compatibility, the device ought to omit unsupported statistics.

Hmm, this is pretty clearly a requirement, and should probably
be moved to an explicit requirements section.

The rest looks good.

Thanks,
Rusty.