linux-kernel - Re: Regression with commit f9cde5f in 2.6.30-gitX

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Date:	Wed, 24 Jun 2009 15:53:28 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	Gary Hade <garyhade@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Jaswinder Singh Rajput <jaswinder@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	x86 maintainers <x86@...nel.org>, Len Brown <lenb@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Regression with commit f9cde5f in 2.6.30-gitX

On Wed, Jun 24, 2009 at 3:11 PM, Yinghai Lu<yhlu.kernel@...il.com> wrote:
> On Wed, Jun 24, 2009 at 3:04 PM, Larry Finger<Larry.Finger@...inger.net> wrote:
>> Yinghai Lu wrote:
>> node 0 link 0: mmio [a0000, bffff]
>> node 0 link 0: mmio [c0000000, dfffffff]
>> node 0 link 0: mmio [e0000000, efffffff]
>> node 0 link 0: mmio [f0000000, fe0bffff]
>> bus: [00,ff] on node 0 link 0
>> bus: 00 index 0 io port: [0, ffff]
>> bus: 00 index 1 mmio: [a0000, bffff]
>> bus: 00 index 2 mmio: [c0000000, fcffffffff]
>
> that is read from pci config.
>
> and only one HT chain is there. so there is no point to use _CRS for them.
>
> please let me check if we could could have patch to deselect that.
>

please try the attached patches.

applying sequence:
fix_crs.patch
use_pci_crs_early.patch

only_one.patch

YH

View attachment "fix_crs.patch" of type "text/x-diff" (1982 bytes)

View attachment "use_pci_crs_early.patch" of type "text/x-diff" (2982 bytes)

View attachment "only_one.patch" of type "text/x-diff" (650 bytes)