Subject: Re: some questions
To: None <pavel.cahyna@st.mff.cuni.cz, port-xen@netbsd.org>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: port-xen
Date: 01/07/2006 05:44:50
On Sat, Jan 07, 2006 at 01:14:49AM +0100, Pavel Cahyna wrote:
> Why?
>
> if you have root in a domU, you don't need a kernel bug to use DMA, which
> opens the door to dom0.
How do you get access to the DMA register if you don't take control over
the kernel ?
--
Manuel Bouyer <bouyer@antioche.eu.org>
NetBSD: 26 ans d'experience feront toujours la difference
--