Re: [RFC PATCH 1/2] Add support for specifying max physical address size.

2020-11-05 Thread Dario Faggioli
On Wed, 2020-11-04 at 13:10 +, Daniel P. Berrangé wrote: > > What I think we do want though is for the XML to > report the host CPU's phys bits, so mgmt apps can query this > and use it to decide on a suitable guest limit. > Right. I'll add a patch for this. > We have ABIs for checking

Re: [RFC PATCH 1/2] Add support for specifying max physical address size.

2020-11-04 Thread Daniel P . Berrangé
On Thu, Oct 29, 2020 at 03:55:36PM +, Dario Faggioli wrote: > This patch introduces the: > > > > > sub element of /domain/cpu. That makes sense as a location. > > Purpose is being able to have a guest see the physical address size > exactly as the host does (if

[RFC PATCH 1/2] Add support for specifying max physical address size.

2020-10-29 Thread Dario Faggioli
This patch introduces the: sub element of /domain/cpu. Purpose is being able to have a guest see the physical address size exactly as the host does (if mode='passthrough' is used) or any size the user wants it to see (if mode='emulate' is used and bits='' is specified). This can be