linux-kernel - Re: [crash, bisected] Re: [PATCH 3/4] x86

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Date:	Tue, 01 Jul 2008 19:01:38 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Mike Travis <travis@....com>,
	Christoph Lameter <clameter@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [crash, bisected] Re: [PATCH 3/4] x86_64: Fold pda into per cpu
 area

Eric W. Biederman wrote:
> 
> For i386 since virtual address space is precious and because there were
> concerns about putting code in __pa we actually relocate the kernel symbols
> during load right after decompression.  When we do relocations absolute
> symbols are a killer.
> 

Well, it means making it clear to the relocator if it should relocate 
those symbols or not.  Since IIRC we're doing "all or nothing" 
relocation, the relative offsets are always the same, even between sections.

	-hpa
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