linux-kernel - Re: [PATCH] pci: pciehp update the slot bridge res to get big range for pcie devices

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Message-ID: <4AE88F7B.5090505@kernel.org>
Date:	Wed, 28 Oct 2009 11:37:47 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
CC:	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Alex Chiang <achiang@...com>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] pci: pciehp update the slot bridge res to get big	range
 for pcie devices

Bjorn Helgaas wrote:
> On Wed, 2009-10-28 at 10:44 -0700, Yinghai Lu wrote:
>>>
>> thanks, will update the patches to only handle leaf bridge, and don't touch min_size etc.
> 
> When you do, can you please add printks showing the changes you're
> making to bridge resources?  I think these events are infrequent, and
> knowing about the changes is vital to debugging problems.

sure.

[   91.762205] pci 0000:00:07.0: resource 15 [mem 0x91800000-0x91ffffff 64bit pref] released
[   91.771715] pci 0000:00:07.0: PCI bridge, secondary bus 0000:0e
[   91.783297] pci 0000:00:07.0:   IO window: 0x2000-0x2fff
[   91.791564] pci 0000:00:07.0:   MEM window: 0x90000000-0x917fffff
[   91.806376] pci 0000:00:07.0:   PREFETCH window: disabled
[   91.811537] pci 0000:40:07.0: resource 15 [mem 0xb1800000-0xb1ffffff 64bit pref] released
[   91.826760] pci 0000:40:07.0: PCI bridge, secondary bus 0000:50
[   91.841288] pci 0000:40:07.0:   IO window: 0x7000-0x7fff
[   91.847605] pci 0000:40:07.0:   MEM window: 0xb0000000-0xb17fffff
[   91.861572] pci 0000:40:07.0:   PREFETCH window: disabled
[   91.868426] pci 0000:80:07.0: resource 15 [mem 0xd1800000-0xd1ffffff 64bit pref] released
[   91.884552] pci 0000:80:07.0: PCI bridge, secondary bus 0000:90
[   91.892898] pci 0000:80:07.0:   IO window: 0xa000-0xafff
[   91.905952] pci 0000:80:07.0:   MEM window: 0xd0000000-0xd17fffff
[   91.912304] pci 0000:80:07.0:   PREFETCH window: disabled
[   91.925909] pci 0000:c0:07.0: resource 15 [mem 0xf1800000-0xf1ffffff 64bit pref] released
[   91.942305] pci 0000:c0:07.0: PCI bridge, secondary bus 0000:d0
[   91.950273] pci 0000:c0:07.0:   IO window: 0xf000-0xffff
[   91.961687] pci 0000:c0:07.0:   MEM window: 0xf0000000-0xf17fffff
[   91.969438] pci 0000:c0:07.0:   PREFETCH window: disabled

YH
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