linux-kernel - Re: [git pull] PCI fixes

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Message-ID: <20110624091148.18f8959d@jbarnes-desktop>
Date:	Fri, 24 Jun 2011 09:11:48 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Ram Pai <linuxram@...ibm.com>, yinghai@...nel.org
Subject: Re: [git pull] PCI fixes

On Fri, 24 Jun 2011 09:07:46 -0700
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Fri, Jun 24, 2011 at 8:53 AM, Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
> >
> > 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).
> 
> Ouch. That is much bigger than I was hoping for. Especially that
> second patch doesn't look like some -rc5 candidate.
> 
> And the fact that Oliver then at the end shows an impossibly aligned
> resource shows that it clearly isn't even remotely correct even AFTER
> the patches, so that doesn't make me get all warm and fuzzy either.
> 
> So I guess we should just revert again.

How about a boot param?  We've done similar things for _CRS, and it
might give Yinghai and Ram some more flexibility in improving our
dynamic resource allocation before enabling it again (if ever).

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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