Re: [Qemu-devel] [PATCH v2 5/6] e1000: Choose which set of props to migrate

[Jason Wang]

On 2018年03月29日 00:36, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> When we're using the subsection we migrate both
> the 'props' and 'tso_props' data; when we're not using
> the subsection (to migrate to 2.11 or old machine types) we've
> got to choose what to migrate in the main structure.
>
> If we're using the subsection migrate 'props' in the main structure.
> If we're not using the subsection then migrate the last one
> that changed, which gives behaviour similar to the old behaviour.

But only after migration. Why not simply switch back to the old behavior 
if migrate_tso_props if false?

Thanks