On Tue, 2019-01-08 at 15:08 +0000, Paul Durrant wrote:
> > 
> > 
> > Also, for the current vm_event implementation, other than using the
> > hvm_params to specify the ring page gfn, I couldn't see any reason
> > why
> > it should be limited to HVM guests only. Is it feasible to assume
> > the
> > vm_event mechanism will not ever be extended to PV guests?
> > 
> 
> Unless you limit things to HVM (and PVH) guests then I guess you'll
> run into the same page ownership problems that ioreq server ran into
> (due to a PV guest being allowed to map any page assigned to it...
> including those that may be 'resources' it should not be able to see
> directly). Any particular reason why you'd definitely want to support
> pure PV guests?
> 
>   Paul

No, but at this point I just want to make sure I'm not limiting the
vm_events usage.

Many thanks,
Petre

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