linux-kernel - Re: [PATCH 2/2] x86, boot: Optimize the elf header handling.

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Message-ID: <4FF0A399.8070207@zytor.com>
Date:	Sun, 01 Jul 2012 12:23:05 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Tejun Heo <tj@...nel.org>, hacklu <embedway.linux@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] x86, boot: Optimize the elf header handling.

On 07/01/2012 12:20 PM, Eric W. Biederman wrote:
> 
> Grumble Grumble.
> 
> If I force a 2M alignment, poffsets and paddrs align and my previous
> patches work.  Although I don't expect that to be more than a testing
> hack.
> 
> Meanwhile if I force a 4K max page size for most purposes things look
> better from a file offset perspective.  But the data segment is now less
> aligned in the file than it is in memory and my patches don't work.
> 
> Sigh.
> 
> I feel like I have stumbled into pandoras box.
> 

Last I looked at this we didn't actually have a general PHDR parser...
are you running into its limitations?

	-hpa

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