Re: Nvidia drivers on Xen with dom0 pvops on ultra-recent "git tip"kernel on x86_64

[William Pitcock <nenolod@dereferenced.org>]

On Mon, 2009-04-27 at 17:07 -0700, Jeremy Fitzhardinge wrote:
> William Pitcock wrote:
> > Jeremy, I need get_phys_to_machine() and set_phys_to_machine() to be
> > changed to EXPORT_SYMBOL() for this. AFAIK, the equivilant symbols are
> > EXPORT_SYMBOL() in XenLinux 2.6.18.
> >   
> 
> get_phys_to_machine is no problem, but I'm curious about why it needs 
> set_phys_to_machine.

It actually doesn't appear to.

> 
> > Can you make it happen? Also, if we had a way of knowing whether or not
> > we are running under the hypervisor, I could ultimately make it work
> > with the right codepaths under both configurations.
> >   
> 
> In theory the driver shouldn't need to special case any code; the normal 
> driver API functions should do the right things in both cases.  Could 
> you go into a bit more detail about what your needs are?

Actually, something is more broken. While I got video, the X server is
very crashhappy. Right now I've given up on NVidia cards and put in a
Radeon x800 xt I have laying around... which just works.

If you want to look at the nvidia interface code, let me know, and I'll
send you my observations/patches.

William