Re: some questions

[Pavel Cahyna <pcah8322%artax.karlin.mff.cuni.cz@localhost>]

On Sat, Jan 07, 2006 at 05:44:50AM +0100, Manuel Bouyer wrote:
> 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 ?

i386_iopl ?

Pavel Cahyna