From: Gleb Natapov <gleb@redhat.com>
To: emdel <emdel@playhack.net>
Cc: Abhinav Srivastava <abhikvm1@gmail.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: interrupt remapping support
Date: Wed, 14 Nov 2012 19:06:11 +0200 [thread overview]
Message-ID: <20121114170611.GE13385@redhat.com> (raw)
In-Reply-To: <CALKiAsFsiiz6eyYWCzoYeL3WV1D56xQsHC57oP8tjX+wRjqixg@mail.gmail.com>
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.
next prev parent reply other threads:[~2012-11-14 17:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-13 3:44 interrupt remapping support Abhinav Srivastava
2012-11-13 9:29 ` Gleb Natapov
[not found] ` <CALKiAsFsiiz6eyYWCzoYeL3WV1D56xQsHC57oP8tjX+wRjqixg@mail.gmail.com>
2012-11-14 17:06 ` Gleb Natapov [this message]
[not found] ` <CALKiAsHyJykMD+taSBMwikWcMY6bbXT2vqedvnyXNo_+S3vSAw@mail.gmail.com>
2012-11-14 17:35 ` Gleb Natapov
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