From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932629Ab0FUVqg (ORCPT ); Mon, 21 Jun 2010 17:46:36 -0400 Received: from mail-iw0-f174.google.com ([209.85.214.174]:58472 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932318Ab0FUVqd convert rfc822-to-8bit (ORCPT ); Mon, 21 Jun 2010 17:46:33 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=xCoYWAkI5qI+pR+MIbaLeXl1+8twH5c3qGu18R0ExipGnjdqQRit7/2uYzV8R6BWP7 Xwo/E0xUxiu92yu0it7701FPzi0VoDF77ePQRRzCUfM+kWF70PixGsdYR7dtk7c7Crcx OX0hF8DbnmlXcSVXZ8vKOyVWUnDy3JhwzBOFI= MIME-Version: 1.0 In-Reply-To: <4C1FD78C.5030600@kernel.org> References: <4C08FF36.80806@kernel.org> <4C0E9E03.1010508@kernel.org> <4C1FD1D0.4060803@kernel.org> <4C1FD78C.5030600@kernel.org> Date: Mon, 21 Jun 2010 14:46:27 -0700 X-Google-Sender-Auth: 1PyuSN1S7kC9upGuBaWoVLwO4fE Message-ID: Subject: Re: [PATCH UPDATED] sched: adjust when cpu_active and cpuset configurations are updated during cpu on/offlining From: Tony Luck To: Tejun Heo Cc: Ingo Molnar , Peter Zijlstra , lkml Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 21, 2010 at 2:20 PM, Tejun Heo wrote: > I'm primarily curious why different archs are doing things > differently, which causes confusion and reduces test coverage.  Also, > if you just think about the end result, what x86 is doing makes more > sense.  Although it may end up with larger kernel image, it actually > allows more to be dropped once init is complete. It allows x86 to drop some code that it never needed in the first place. i don't think that is better :-) Maybe someone from x86-land can explain why they *keep* __exit code as they are the ones doing it wrong (/me ducks, runs and hides) -Tony