linux-kernel - Re: Linux 3.9-rc1

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Date:	Wed, 06 Mar 2013 08:57:10 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Henrik Rydberg <rydberg@...omail.se>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: Linux 3.9-rc1

On 03/06/2013 08:08 AM, Linus Torvalds wrote:
> On Wed, Mar 6, 2013 at 12:06 AM, Henrik Rydberg <rydberg@...omail.se> wrote:
>>
>> Or not. ;-) This commit breaks boot on my MacBookAir3,1:
>>
>> commit 8d57470d8f859635deffe3919d7d4867b488b85a
>> Author: Yinghai Lu <yinghai@...nel.org>
>> Date:   Fri Nov 16 19:38:58 2012 -0800
>>
>>     x86, mm: setup page table in top-down
> 
> Argh. The whole page table setup crud is scarily fragile.
> 

Yes.  The design of the new code should be much more robust by design,
but of course all the corner cases got shifted around...

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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