From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760679AbZBMVRv (ORCPT ); Fri, 13 Feb 2009 16:17:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751406AbZBMVRn (ORCPT ); Fri, 13 Feb 2009 16:17:43 -0500 Received: from gw.goop.org ([64.81.55.164]:34951 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750901AbZBMVRm (ORCPT ); Fri, 13 Feb 2009 16:17:42 -0500 Message-ID: <4995E373.9030309@goop.org> Date: Fri, 13 Feb 2009 13:17:39 -0800 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: Rusty Russell CC: Tejun Heo , Ingo Molnar , "H. Peter Anvin" , Thomas Gleixner , x86@kernel.org, Linux Kernel Mailing List , cpw@sgi.com Subject: Re: #tj-percpu has been rebased References: <49833350.1020809@kernel.org> <49939964.4070607@kernel.org> <49939B08.1050801@kernel.org> <200902140728.55954.rusty@rustcorp.com.au> In-Reply-To: <200902140728.55954.rusty@rustcorp.com.au> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rusty Russell wrote: > That's why I handed it to you! :) > > Just remember we waited over 5 years for this to happen: the point of these > is that Christoph showed it's still useful. > > (And I really like the idea of allocing congruent areas rather than remapping > if someone can show that it's semi-reliable. Good luck!) I really don't like the idea of making percpu memory (physically) move around. It would break Xen's usage of it for a start... Virtual remapping would be OK. J