Intel Q35/Q45 fb driver?

McDonald, Michael-p7438c Michael.McDonald at gdc4s.com
Tue Oct 6 14:04:40 PDT 2009


> -----Original Message-----
> From: Adam Jackson [mailto:ajax at nwnk.net] 
> Sent: Tuesday, October 06, 2009 1:04 PM
> To: McDonald, Michael-p7438c
> Cc: xorg at lists.freedesktop.org
> Subject: RE: Intel Q35/Q45 fb driver?
> 
> On Tue, 2009-10-06 at 11:47 -0700, McDonald, Michael-p7438c wrote:
> 
> > > Which is pretty dire.  You could just run the app in the vm 
> > > but display on the host's X server
> > 
> > Nope, that would violate security requirements for separation.
> 
> Then I have trouble understanding how a framebuffer driver 
> would make it
> any better.

The frame buffer driver has nothing to do with security. It is hoped
that it will improve performance. Having multiple single level shared
memory regions, one per guest, is the core of the security model.

Mike McDonald



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