VGA arbiter: removing RAC

[Dave Airlie]

On Dec 20, 2007 12:47 PM, Luc Verhaegen <libv at skynet.be> wrote:
> On Thu, Dec 20, 2007 at 12:14:51AM -0200, Tiago Vignatti wrote:
> > Hi Luc,
> >
> > Luc Verhaegen escreveu:
> > >How compatible is this module? Against which kernels is it known to
> > >build and work?
> >
> > Currently the arbiter itself is a module and I'm building it using Linux
> > 2.6.22.7. As I said in other email, the idea now is to see how DRI will
> > fit when the arbiter is active. Probably some hang ups will occur due
> > interruption things. After this, we'll post into lkml for a review of
> > the people there. For now you can see the code here:
> >
> >     git-clone http://www.inf.ufpr.br/ribas/repos/vga-module.git
>
> Have you tried building it against a few kernels on machines you have
> access to or are in your vicinity?
>
> On the quick git-clone and make (on openSUSE 10.2) i did before i wrote
> the previous email (given, without reading up on anything), the build
> was missing some defines already. I quickly scrolled through the readme
> and nothing came to my attention that explained how portable this was
> within even x86 linux kernels.
>

I wouldn't bother with backwards compat for this type of feature,
it'll need modifications to kernel side drivers as well..

This should only be targetted at upstream kernels and if later distros
need to backport it then they should do so..

Dave.