linux-kernel - Re: [PATCH -v2 1/2] x86: Reserve [0xa0000, 0x100000] in e820 map

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Date:	Wed, 14 Apr 2010 12:27:40 -0700
From:	Yinghai <yinghai.lu@...cle.com>
To:	Andy Isaacson <adi@...apodia.org>
CC:	"H. Peter Anvin" <hpa@...or.com>, guenter.roeck@...csson.com,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Renninger <trenn@...e.de>
Subject: Re: [PATCH -v2 1/2] x86: Reserve [0xa0000, 0x100000] in e820 map

On 04/14/2010 12:25 PM, Andy Isaacson wrote:
> On Tue, Apr 13, 2010 at 05:57:54PM -0700, Yinghai wrote:
>> On 04/13/2010 02:58 PM, H. Peter Anvin wrote:
>>> That's not good (in general - for devices in this particular range it's
>>> not such a big deal, but it is potentially really bad for devices marked
>>> reserved for them not to be moved.)
>>>
>>> We have talked about a need to resolve this before.
>>
>> this one should make both cases work.
>>
>> Andy, can you check this one together with
>> v3: x86: Reserve [0xa0000, 0x100000] in e820 map
> 
> I've booted successfully with the patch below, on top of the patch in
> Message-ID: <4BC4E09F.9000608@...cle.com>
> 
> I'll attach the dmesg to bug 15744.

thanks. please put /proc/iomem there too.

Yinghai
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