Re: Reliability of RPC services

[Jonathan S. Shapiro]

On Wed, 2006-04-26 at 19:05 -0500, Jesse D. McDonald wrote:
> On Wednesday 26 April 2006 18:07, Christopher Nelson wrote:
> > This is my point.  The PCI driver may not KNOW about all the legacy
> > ports.  And why should it need to?  Does it need to know about every
> > legacy port for every ISA device ever made?
> 
> This appears to be the primary point of contention for at least one version 
> of 
> this thread, but the resolution is simple. In no case would an untrusted 
> device driver loaded by the user be granted free access to either the PCI bus 
> (or any device thereon, given their DMA capabilities) or the system I/O 
> space.

Good. Then we are done, because this is basically the universal set of
all devices.


shap