Re: [PATCH/RFC 4/9] Basic guest virtual devices infrastructure

Carsten Otte
2007-05-14T11:43:25Z

Avi Kivity wrote:
> Interesting. We could use a variation this for x86 as well, but I'm not
> sure how easy it is to integrate it into closed source OSes (Windows).
> The diag instruction could be replaced by a hypercall which would make
> the code generic.
I think we need to freeze the hypercall API at some time, and consider
it a stable kernel external API. We do then need to document these
calls, and non-GPL hypervisors can implement it. We could eventually
have a similar situation with one of the other non-GPL hypervisors on
s390 that run Linux.

so long,
Carsten