From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@redhat.com>
Subject: Re: interrupt remapping support
Date: Wed, 14 Nov 2012 19:06:11 +0200
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On Wed, Nov 14, 2012 at 05:46:45PM +0100, emdel wrote:
> On Tue, Nov 13, 2012 at 10:29 AM, Gleb Natapov <gleb@redhat.com> wrote:
> 
> > KVM does not implement VT-d spec if this is your question. Any help with
> > this will be appreciated.
> >
> 
> Hello everybody,
> following this link [1] it looks like that we can configure pass-through
> devices for KVM guests,
> so if it is the case and as you said KVM doesn't implement any Vt-d
> specification,
> are there any protections in place for DMA attacks?
> 
> 
KVM uses VT-d on a host for device assignment. Guest running inside KVM
will not see VT-d though since KVM does not emulate it.

--
			Gleb.