Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759420AbYGJQsi (ORCPT ); Thu, 10 Jul 2008 12:48:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753507AbYGJQs3 (ORCPT ); Thu, 10 Jul 2008 12:48:29 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:50241 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753352AbYGJQs2 (ORCPT ); Thu, 10 Jul 2008 12:48:28 -0400 Message-ID: <48763D1C.8040206@linux-foundation.org> Date: Thu, 10 Jul 2008 11:47:24 -0500 From: Christoph Lameter User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: "H. Peter Anvin" CC: Mike Travis , "Eric W. Biederman" , Jeremy Fitzhardinge , Arjan van de Ven , Ingo Molnar , Andrew Morton , Jack Steiner , linux-kernel@vger.kernel.org, Rusty Russell 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> <48753A71.2030006@zytor.com> <48763732.7020805@sgi.com> <487637DE.1050706@zytor.com> <48763A5E.7080105@linux-foundation.org> <48763B36.80104@zytor.com> In-Reply-To: <48763B36.80104@zytor.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 584 Lines: 19 H. Peter Anvin wrote: > Christoph Lameter wrote: >> H. Peter Anvin wrote: >> >>> No, since the *addresses* can be arbitrary. The current issue is about >>> *offsets.* >> >> Well those are intimately connected. > > Not really, since gs_base is an arbitrary 64-bit pointer. The current scheme ties the offsets to kernel code addresses. -- 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/