Re: [git pull] PCI fixes

[Jesse Barnes <jbarnes@virtuousgeek.org>]

On Fri, 24 Jun 2011 08:38:07 -0700
Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Thu, Jun 23, 2011 at 1:37 PM, Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> >
> > Just a few minor fixes.  We have one open issue with the resource
> > re-allocation code that was re-added.  Ram has a fix but I'm concerned
> > it will introduce other regressions.  So at this point we have a few
> > options:
> >  - revert the bridge resource re-allocation code (again)
> >  - hide the re-allocation code behind a new kernel option (and not
> >    try=!), this would at least let us experiment with new strategies
> >    and PNP resource tracking etc
> >  - apply Ram's patch and revert it all later if things are still broken
> 
> I think I've missed the regression discussion, so can you forward a
> description and the fix?
> 
> I have to admit that I'm inclined to try the fix if it's clean, just
> in the hope to get over this finally. But I'd like to see  what the
> problem/fix is...
> 
> Maybe I've seen it and just didn't react.

Some discussion was under "PCI: fix cardbus and sriov regressions",
which includes a patchset as well. Oliver Hartkopp's problem is the one
that worries me most. The SR-IOV issue is really a BIOS bug and
unlikely to affect many people anyway (SR-IOV is really a big server
feature).

-- 
Jesse Barnes, Intel Open Source Technology Center