linux-kernel - Re: [RFC 00/15] x86_64: Optimize percpu accesses

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Message-ID: <48752F89.6020809@zytor.com>
Date:	Wed, 09 Jul 2008 17:37:13 -0400
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	Arjan van de Ven <arjan@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Mike Travis <travis@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Jack Steiner <steiner@....com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC 00/15] x86_64: Optimize percpu accesses

Jeremy Fitzhardinge wrote:
> 
> If you're going to do another linker pass, you could have a script to 
> extract all the percpu symbols and generate a set of derived zero-based 
> ones and then link against that.
> 
> Or generate a vmlinux with relocations and "relocate" all the percpu 
> symbols down to 0.
> 

Yeah, I'd hate to have to go to either of those lengths though.

	-hpa
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