Re: Direct access to hardware

From: Vojtech Pavlik (vojtech@suse.cz)
Date: Sat Jul 22 2000 - 05:39:40 EST


On Sat, Jul 22, 2000 at 01:06:44PM +0300, Ville Herva wrote:
> On Fri, Jul 21, 2000 at 11:08:37PM +0000, you [Miquel van Smoorenburg] claimed:
> > In article <cistron.Pine.LNX.4.21.0007211543460.12570-100000@anime.net>,
> > Dan Hollis <goemon@sasami.anime.net> wrote:
> > >On Sat, 22 Jul 2000, Ville Herva wrote:
> > >> So, would it be feasible to make it possible to disable direct hardware
> > >> access (/dev/mem, /dev/nvram, HD ioctls, what else?) completely in kernel
> > >> config?
> > >
> > >I would certainly feel better if this were possible, in which case Andre's
> > >patch would be more reasonable.
> >
> > It _is_ possible. Check out "capabilities".
>
> Whoops, excuse me for being stupid! Should have looked closer...
>
> But why on earth do we have this several-hundred-postings thread on this,
> if it is already possible to disable all the raw access?
>
> Is it actually feasible? Which important or often used apps do need raw
> access?

X

-- 
Vojtech Pavlik
SuSE Labs

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