linux-kernel - Re: [git pull] PCI changes for 2.6.34

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Message-ID: <20100301083513.2e77a214@jbarnes-piketon>
Date:	Mon, 1 Mar 2010 08:35:13 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [git pull] PCI changes for 2.6.34  - pci rom rom fail list

On Mon, 1 Mar 2010 08:05:55 -0800 (PST)
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> 
> 
> On Sun, 28 Feb 2010, Yinghai Lu wrote:
> > 
> > [PATCH] pci: don't reassign to ROM res if it is not going to be
> > enabled
> > 
> > Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> 
> Yes, this makes my setup work again.
> 
> I'm still nervous that it will cause problem on some _other_ machines 
> (because of not knowing that some bridge is transparent and then
> trying to re-allocate things unnecessarily and causing chaos), but at
> least it seems to be ok on this machine.
> 
> So I do have this nagging feeling that we'll still end up having to
> do this whole "reassign PCI buses" thing as a kernel command line
> option and default to not doing it, but let's give it a chance.

Yeah we went back and forth on that a bit.  We can fall back to a
command line option if necessary, but I think it would be ashame;
ideally things should just work and not require users to pass special
options when their drivers fail to bind.

-- 
Jesse Barnes, Intel Open Source Technology Center
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