linux-kernel - Re: [PATCH 4/4] ia64: Fix resource assignment for root busses

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Message-ID: <20090617205905.GX19977@parisc-linux.org>
Date:	Wed, 17 Jun 2009 14:59:05 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Matthew Wilcox <willy@...ux.intel.com>, jbarnes@...tuousgeek.org,
	andrew.patterson@...com, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] ia64: Fix resource assignment for root busses

On Wed, Jun 17, 2009 at 01:56:39PM -0700, Linus Torvalds wrote:
> On Wed, 17 Jun 2009, Matthew Wilcox wrote:
> >
> > ia64 was assigning resources to root busses after allocations had
> > been made for child busses.  Calling pcibios_setup_root_windows() from
> > pcibios_fixup_bus() solves this problem by assigning the resources to
> > the root bus before child busses are scanned.
> > 
> > Signed-off-by: Matthew Wilcox <willy@...ux.intel.com>
> > Tested-by: Andrew Patterson <andrew.patterson@...com>
> 
> So I assume this "Tested-by:" means that Andrew confirmed that this 
> actually fixes the nesting? I wasn't cc'd on that, so I'm just checking..

Yes, he says it fixes the nesting problem, and as a result hotplug now works.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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