linux-kernel - Re: [ 37/38] PCI : ability to relocate assigned pci-resources

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Message-ID: <20121123132919.GA3759@herton-Z68MA-D2H-B3>
Date:	Fri, 23 Nov 2012 11:29:20 -0200
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	alan@...rguk.ukuu.org.uk, Ram Pai <linuxram@...ibm.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Andrew Worsley <amworsley@...il.com>,
	Michal Ludvig <mludvig@...ix.net.nz>
Subject: Re: [ 37/38] PCI : ability to relocate assigned pci-resources

On Wed, Nov 21, 2012 at 04:40:20PM -0800, Greg Kroah-Hartman wrote:
> 3.0-stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Ram Pai <linuxram@...ibm.com>
> 
> commit 2bbc6942273b5b3097bd265d82227bdd84b351b2 upstream.
> 
> Currently pci-bridges are allocated enough resources to satisfy their immediate
> requirements.  Any additional resource-requests fail if additional free space,
> contiguous to the one already allocated, is not available. This behavior is not
> reasonable since sufficient contiguous resources, that can satisfy the request,
> are available at a different location.
> 
> This patch provides the ability to expand and relocate a allocated resource.
> 
> 	v2: Changelog: Fixed size calculation in pci_reassign_resource()
> 	v3: Changelog : Split this patch. The resource.c changes are already
> 			upstream. All the pci driver changes are in here.
> 
> Signed-off-by: Ram Pai <linuxram@...ibm.com>
> Signed-off-by: Jesse Barnes <jbarnes@...tuousgeek.org>
> Cc: Andrew Worsley <amworsley@...il.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

This change is said to bring a regression:
http://comments.gmane.org/gmane.linux.kernel.pci/11666

fixed by:
commit 47ea91b4052d9e94b9dca5d7a3d947fbebd07ba9
Resource: fix wrong resource window calculation

Which wasn't applied with this series for 3.0.

-- 
[]'s
Herton
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