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From: Yinghai Lu <yinghai@kernel.org>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Ingo Molnar <mingo@elte.hu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>,
	Alex Chiang <achiang@hp.com>,
	Bjorn Helgaas <bjorn.helgaas@hp.com>,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: [PATCH 06/14] pci: reject mmio range start from 0 on pci_bridge read
Date: Fri, 15 Jan 2010 13:15:45 -0800	[thread overview]
Message-ID: <4B50DB01.5080602@kernel.org> (raw)
In-Reply-To: <20100115111944.00001c2b@jbarnes-piketon>

On 01/15/2010 11:19 AM, Jesse Barnes wrote:
> On Tue, 22 Dec 2009 15:02:26 -0800
> Yinghai Lu <yinghai@kernel.org> wrote:
> 
>> that is wrong.
>>
>> exposed by that patch that doesn's shrink pci bridge res.
>>
>> -v2: change to "bar reading" to "reg reading"
>>
>> Signed-off-by: Yinghai Lu <yinghai@kernel.org>
>> ---
> 
> Is this really necessary?  Won't we conflict with the reserved zero
> page anyway?
> 

just try to print out the work for pci bridge BAR by BIOS, and just like we did for pci device BAR

before we touch it.

YH

  reply	other threads:[~2010-01-15 21:17 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-22 23:02 [PATCH 00/14] pci: update pci bridge resources Yinghai Lu
2009-12-22 23:02 ` [PATCH 01/14] pci: separate pci_setup_bridge to small functions Yinghai Lu
2010-01-15 18:54   ` Jesse Barnes
2009-12-22 23:02 ` [PATCH 02/14] resource: add release_child_resources Yinghai Lu
2010-01-15 18:54   ` Jesse Barnes
2009-12-22 23:02 ` [PATCH 03/14] pci: add pci_bridge_release_unused_res and pci_bus_release_unused_bridge_res Yinghai Lu
2010-01-15 18:53   ` Jesse Barnes
2010-01-16  0:20     ` Yinghai Lu
2009-12-22 23:02 ` [PATCH 04/14] pci: don't dump it when bus resource flags is not used Yinghai Lu
2010-01-15 18:54   ` Jesse Barnes
2009-12-22 23:02 ` [PATCH 05/14] pci: add failed_list to record failed one for pci_bus_assign_resources Yinghai Lu
2010-01-15 18:56   ` Jesse Barnes
2010-01-15 21:13     ` Yinghai Lu
2010-01-15 21:41   ` Bjorn Helgaas
2009-12-22 23:02 ` [PATCH 06/14] pci: reject mmio range start from 0 on pci_bridge read Yinghai Lu
2010-01-15 19:19   ` Jesse Barnes
2010-01-15 21:15     ` Yinghai Lu [this message]
2009-12-22 23:02 ` [PATCH 07/14] pci: don't shrink bridge resources Yinghai Lu
2010-01-15 19:04   ` Jesse Barnes
2010-01-15 21:09     ` Yinghai Lu
2010-01-15 21:31       ` Jesse Barnes
2010-01-16  0:32         ` Yinghai Lu
2009-12-22 23:02 ` [PATCH 08/14] pci: update bridge res to get more big range in pci assign unssign Yinghai Lu
2010-01-15 19:12   ` Jesse Barnes
2010-01-15 21:12     ` Yinghai Lu
2010-01-15 21:34       ` Bjorn Helgaas
2010-01-15 21:34       ` Jesse Barnes
2009-12-22 23:02 ` [PATCH 09/14] pci: introduce pci_assign_unassigned_bridge_resources Yinghai Lu
2010-01-13  0:50   ` Kenji Kaneshige
2010-01-13  1:58     ` Yinghai Lu
2010-01-13  7:31       ` Kenji Kaneshige
2010-01-13  7:52         ` Yinghai Lu
2009-12-22 23:02 ` [PATCH 10/14] pci: pciehp clean flow in pciehp_configure_device Yinghai Lu
2010-01-15 19:14   ` Jesse Barnes
2010-01-15 21:14     ` Yinghai Lu
2009-12-22 23:02 ` [PATCH 11/14] pci: pciehp second try to get big range for pcie devices Yinghai Lu
2009-12-22 23:02 ` [PATCH 12/14] pci: pci_bridge_release_res Yinghai Lu
2009-12-22 23:02 ` [PATCH 13/14] pciehp: add support for bridge resource reallocation Yinghai Lu
2009-12-22 23:02 ` [PATCH 14/14] pci: set PCI_PREF_RANGE_TYPE_64 in pci_bridge_check_ranges Yinghai Lu
2010-01-08 21:33 ` [PATCH 00/14] pci: update pci bridge resources Patrick Keller
2010-01-11 21:57 ` Patrick Keller
2010-01-12 18:18   ` Jesse Barnes

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