linux-kernel - Re: bisected boot regression post 2.6.25-rc3.. please revert

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Message-ID: <47CEBDC2.4070608@linux.intel.com>
Date:	Wed, 05 Mar 2008 07:35:30 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	hans.rosenfeld@....com, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: bisected boot regression post 2.6.25-rc3.. please revert

Ingo Molnar wrote:
> * Arjan van de Ven <arjan@...ux.intel.com> wrote:
> 
>>> I'm staring at the disassembly and it's quite different but 
>>> follow_page() is rather large; trying to make a smaller testcase now
>> sadly a more isolated testcase doesn't show the same behavior yet; so 
>> it's some fun interaction ;(
>>
>> more staring at the assembly for me
> 
> could you post the "bad" and the "good" disassembled functions, and the 
> specific gcc version string?
> 

http://www.fenrus.org/memory.asm.macro   <-- failing one
http://www.fenrus.org/memory.asm.inline   <-- working one
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