Re: [Xen-devel] results

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> If Mark's right about there being a 2D driver in the Xserver that
> works without the nvidia binary-only kernel driver, then that's
> definitely the way to go.
> 
> I seriously think it's worth a doing a disassembly of the binary
> module and seeing the scale of the problem. If we're lucky and
> it's just the rd/wrmsr that are the problem, they'll be easy to
> deal with by nop'ing them. If there are cli/sti then that's more
> of a pain, but it would actually be pretty easy to do in a Linux
> (as opposed to Xen) GPF handler that spots them and does the
> appropriate Xen call. They're both 1 byte instructions (0xfa/b)
> with no operands, so easy to spot.


Retaining the possibility of doing this kind of thing is another good
reason for keeping PAGE_OFFSET the same as native in our Linux 2.6
port as well as the 2.4 port. If __va() and __pa() change then that's
likely to be a much bigger rewriting problem.

 -- Keir


-------------------------------------------------------
This SF.Net email sponsored by Black Hat Briefings & Training.
Attend Black Hat Briefings & Training, Las Vegas July 24-29 - 
digital self defense, top technical experts, no vendor pitches, 
unmatched networking opportunities. Visit www.blackhat.com
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/xen-devel