Re: [PATCH for-4.16 v6] gnttab: allow setting max version per-domain

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Roger Pau Monné writes ("Re: [PATCH for-4.16 v6] gnttab: allow setting max 
version per-domain"):
>  Overall I think it's best to
> express supported grant versions independently, and we might wish to
> also allow to select a discrete set of grant versions that a domain
> supports. IMO it might be sensible in the future if a new grant
> version appears (v3), to select to expose grant v1 and v3 only to the
> domain, and avoid v2. This would require some changes here, but we can
> see about those when the time comes.

I'm not sure what layer we're talking about here.  The patch
introduces a max version into the libxl api.  Is there any significant
chance of a v3 (and hence, wanting to change the api) any time soon ?

Ian.