Re: [Xen-devel] [PATCH] xl: Add 'pvh' config option

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

Roger Pau Monné writes ("Re: [PATCH] xl: Add 'pvh' config option"):
> On Fri, Mar 31, 2017 at 09:59:09AM -0400, Boris Ostrovsky wrote:
> > That would make the toolstack have three guest types while the
> > hypervisor has two.

Is that a problem, conceptually ?  It seems to me to be accurate here.

> This was discussed on the PVHv1 removal patches. I sent a PVHv1 removal that
> partially covered this (by adding a PVH guest type to libxl), but IMHO I find
> it quite hard to add a guest type to libxl only (when it's not on the
> hypervisor).
> 
> It can certainly be done, but it's painful due to libxl having to filter the
> output from Xen in order to properly detect guest types, since it cannot 
> longer
> use Xen values blindly.

How many places in libxl have to change ?

Ian.

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