Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755361AbYGIVoF (ORCPT ); Wed, 9 Jul 2008 17:44:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752217AbYGIVnz (ORCPT ); Wed, 9 Jul 2008 17:43:55 -0400 Received: from terminus.zytor.com ([198.137.202.10]:52132 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751967AbYGIVny (ORCPT ); Wed, 9 Jul 2008 17:43:54 -0400 Message-ID: <48752F89.6020809@zytor.com> Date: Wed, 09 Jul 2008 17:37:13 -0400 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Jeremy Fitzhardinge CC: Arjan van de Ven , Ingo Molnar , "Eric W. Biederman" , Mike Travis , Andrew Morton , Christoph Lameter , Jack Steiner , linux-kernel@vger.kernel.org Subject: Re: [RFC 00/15] x86_64: Optimize percpu accesses References: <20080709165129.292635000@polaris-admin.engr.sgi.com> <20080709200757.GD14009@elte.hu> <48751B57.8030605@goop.org> <20080709133958.612635f0@infradead.org> <4875231F.1020506@zytor.com> <487524A0.6020304@goop.org> <487529AE.3060505@zytor.com> <48752CF0.20908@goop.org> In-Reply-To: <48752CF0.20908@goop.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 629 Lines: 18 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/