[Engine-devel] host cpu feature

[Laszlo Hornyak]

----- Original Message -----
> From: "Doron Fediuck" <dfediuck at redhat.com>
> To: "Yaniv Kaul" <ykaul at redhat.com>
> Cc: "Laszlo Hornyak" <lhornyak at redhat.com>, "engine-devel" <engine-devel at ovirt.org>
> Sent: Wednesday, December 5, 2012 6:10:55 PM
> Subject: Re: [Engine-devel] host cpu feature
> 
> > Alternative idea, inspired by "Thus, if you hit any bugs, you are
> > on
> > your own" (http://libvirt.org/formatdomain.html#elementsCPU wrt
> > 'host-passthrough'):
> > A config option to determine if we use host-model or
> > host-passthrough.
> > Y.
> > 
> 
> I do not think the engine should go to this level.
> ie- it can ask for passthrough as a feature, and the
> actual implementation is handled by vdsm.
> 

If vdsm decides over host-passthrough or host-model, then how will the engine user know what exactly his VM gets. I think vdsm must be told exactly what to do.