From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752530AbZDEQtT (ORCPT ); Sun, 5 Apr 2009 12:49:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751436AbZDEQtI (ORCPT ); Sun, 5 Apr 2009 12:49:08 -0400 Received: from e9.ny.us.ibm.com ([32.97.182.139]:41125 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751146AbZDEQtG (ORCPT ); Sun, 5 Apr 2009 12:49:06 -0400 Date: Sun, 5 Apr 2009 09:49:04 -0700 From: "Paul E. McKenney" To: Andi Kleen Cc: Ingo Molnar , Josh Boyer , linux-kernel@vger.kernel.org, akpm@linux-foundation.org, dipankar@in.ibm.com, niv@us.ibm.com, manfred@colorfullife.com, peterz@infradead.org, lethal@linux-sh.org, kernel@wantstofly.org, kyle@mcmartin.ca, deller@gmx.de, davem@davemloft.net, ralf@linux-mips.org, jes@sgi.com, benh@kernel.crashing.org, paulus@samba.org, anton@samba.org Subject: Re: [PATCH -tip] Convert CONFIG_SMP=y powerpc defconfigs to TREE_RCU. Message-ID: <20090405164904.GJ6893@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <3181463559098978317@unknownmsgid> <625fc13d0904040621g7b89cd2cq9681ce80635a65c4@mail.gmail.com> <20090404163149.GC6893@linux.vnet.ibm.com> <20090405101756.GA10490@elte.hu> <20090405103759.GA17934@one.firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090405103759.GA17934@one.firstfloor.org> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 05, 2009 at 12:37:59PM +0200, Andi Kleen wrote: > > I'd suggest you dont do these dozens of defconfig updates at all - > > arch maintainers can do this themselves, once the core kernel > > default has been flipped. > > AFAIK they don't. There's no make updatemyconfigwithdefaultstatementsconfig My guess is that I would in fact have to send a few patches. But I suppose that the real question is "how long should we wait to drop Classic RCU once the last arch has changed its defconfig?" I have been assuming that we would wait one release cycle. Thanx, Paul