Re: [Xen-devel] [PATCH 08/18] PVH xen: tools changes to create PVH domain

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2013-08-29 at 12:13 +0100, George Dunlap wrote:
> On Thu, Aug 1, 2013 at 3:02 AM, Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> 
> wrote:
> >> I'm not sure how you are currently signalling to the hypervisor that a
> >> new domain is a PVH domain? I had a look through this patch and must
> >> be being thick because I don't see it.
> >
> > I had a flag set, but it was recommended during RFC to remove it. So,
> > now in xen, a PV with HAP is a PVH guest:
> 
> Why was it recommended to remove it?
> 
> "PVH == PV + HAP" is a ridiculous interface, and one which will make
> it hard to import shadow in the future.  In my series I'm planning on
> adding XEN_DOMCTL_CDF_pvh_guest, and using that instead.

These are not stable ABI interfaces, so if someone wants to do PVH with
Shadow then they can just change it.



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