From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752113AbXLaRK6 (ORCPT ); Mon, 31 Dec 2007 12:10:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751155AbXLaRKt (ORCPT ); Mon, 31 Dec 2007 12:10:49 -0500 Received: from relay2.sgi.com ([192.48.171.30]:41365 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750935AbXLaRKt (ORCPT ); Mon, 31 Dec 2007 12:10:49 -0500 Message-ID: <47792295.8070001@sgi.com> Date: Mon, 31 Dec 2007 09:10:45 -0800 From: Mike Travis User-Agent: Thunderbird 2.0.0.6 (X11/20070801) MIME-Version: 1.0 To: Ingo Molnar CC: Andi Kleen , Andrew Morton , Christoph Lameter , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Rusty Russell , tglx@linutronix.de, mingo@redhat.com, "H. Peter Anvin" Subject: Re: [PATCH 05/10] x86_64: Use generic percpu References: <20071228001046.854702000@sgi.com> <20071228001047.556634000@sgi.com> <200712281354.52453.ak@suse.de> <47757311.5050503@sgi.com> <20071230141829.GA28415@elte.hu> <477916ED.8010602@sgi.com> In-Reply-To: <477916ED.8010602@sgi.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 Mike Travis wrote: > Ingo Molnar wrote: >> * Mike Travis wrote: >> >>>> Also for such changes .text size comparisons before/after are a good >>>> idea. >>> x86_64-defconfig: >>> >>> pre-percpu post-percpu >>> 159373 .init.text +3 .init.text >>> 1411137 .rodata +8 .rodata >>> 3629056 .text +48 .text >>> 7057383 Total +59 Total >> ok, that looks like really minimal impact, so i'm in favor of merging >> this into arch/x86 - and the unification it does later on is nice too. >> >> to get more test feedback: what would be the best way to get this tested >> in x86.git in a standalone way? Can i just pick up these 10 patches and >> remove all the non-x86 arch changes, and expect it to work - or are the >> other percpu preparatory/cleanup patches in -mm needed too? >> >> Ingo > > I've tested some x86_64 configs but the UP model is currently broken so I > haven't been able to test that. (the "fs/nfs/super.c" build problem with > TASK_NORMAL and TASK_UNINTERRUPTIBLE undefined.) > > Thanks, > Mike Sorry, I guess I didn't exactly answer the question. Yes, these changes are standalone. Thanks, Mike