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Message-ID: <4B50DB01.5080602@kernel.org>
Date: Fri, 15 Jan 2010 13:15:45 -0800
From: Yinghai Lu <yinghai@...nel.org>
To: Jesse Barnes <jbarnes@...tuousgeek.org>
CC: Ingo Molnar <mingo@...e.hu>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Ivan Kokshaysky <ink@...assic.park.msu.ru>,
Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
Alex Chiang <achiang@...com>,
Bjorn Helgaas <bjorn.helgaas@...com>,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH 06/14] pci: reject mmio range start from 0 on pci_bridge
read
On 01/15/2010 11:19 AM, Jesse Barnes wrote:
> On Tue, 22 Dec 2009 15:02:26 -0800
> Yinghai Lu <yinghai@...nel.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@...nel.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
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