linux-kernel - Re: acpi based pci gap calculation

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Message-Id: <1216155256.6135.25.camel@alok-dev1>
Date:	Tue, 15 Jul 2008 13:54:16 -0700
From:	Alok Kataria <akataria@...are.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Ingo Molnar <mingo@...e.hu>,
	"Brown, Len" <len.brown@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-acpi <linux-acpi@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	TJ <linux@...orld.net>
Subject: Re: acpi based pci gap calculation  - v3

On Tue, 2008-07-15 at 13:28 -0700, Jesse Barnes wrote:
> On Tuesday, July 15, 2008 11:59 am Alok Kataria wrote:
> > Hi Andi,
> >
> > I don't see this patch being applied in any of the tree yet.
> > Resending this incase you guys might have missed it.
> > I assume this will go through the ACPI tree.
> >
> > The need for this patch was explained in
> > http://marc.info/?l=linux-kernel&m=121441818818598&w=2
> >
> > The v2 patch was discussed in
> > http://marc.info/?l=linux-acpi&m=121433339619175&w=2
> >
> > I then sent a incremental patch on top of v2 to fix some conditions and
> > handle the change in the e820_search_gap interface.
> >
> > In this v3 patch, i have folded the incremental fix into the v2 patch.
> > Please apply this.
> 
> This should probably go to linux-pci too.
> 
> I wonder if this is stable enough to go into 2.6.27?  

I have tested it with couple of different BIOS settings and it seems to
work as it should.

> Most of the PCI bugs we
> have at the moment are related to PCI resource allocation failures.  My hope
> is that finding more space will fix most of them.  Assuming this patch
> doesn't have any dependencies, I can put it in my linux-next branch.

No dependencies, I had added a function e820_search_gap which is used by
this patch. This function is already in the mainline tree. 
Thanks for applying.

--
Alok

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