From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751804Ab2ALAph (ORCPT ); Wed, 11 Jan 2012 19:45:37 -0500 Received: from terminus.zytor.com ([198.137.202.10]:41115 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751655Ab2ALApe (ORCPT ); Wed, 11 Jan 2012 19:45:34 -0500 Message-ID: <4F0E2D07.1010502@zytor.com> Date: Wed, 11 Jan 2012 16:44:55 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0 MIME-Version: 1.0 To: "tj@kernel.org" CC: "Alex,Shi" , Christoph Lameter , "linux-kernel@vger.kernel.org" , "eric.dumazet@gmail.com" , "Huang, Ying" , Thomas Gleixner , "mingo@redhat.com" , "avi@redhat.com" , "akpm@linux-foundation.org" , David Miller , "kaber@trash.net" , "a.p.zijlstra@chello.nl" , "kvm@vger.kernel.org" , Andi Kleen Subject: Re: [PATCH 3/3] Code clean up for percpu_xxx() functions References: <1318428673.29699.13.camel@debian> <1318908091.23426.52.camel@debian> <1319016218.23426.104.camel@debian> <1319096139.23426.184.camel@debian> <1321866612.30341.572.camel@debian> <20111122000653.GS25776@google.com> <1326272921.5695.263.camel@debian> <20120111171951.GF26832@google.com> In-Reply-To: <20120111171951.GF26832@google.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/11/2012 09:19 AM, tj@kernel.org wrote: > > Alex, can you please collect all patches into a single patchset? > Please split it such that, usage changes are per-system so that they > can be routed through respective subsystems (x86 or net) and updates > to percpu proper which can be applied after other changes have been > applied. It would probably be best to route these patches separately > rather than all through percpu as it touches a lot of different places > and is likely to cause conflicts. I *think* the best way would be, > > * Submit per-subsystem patches and get them merged to subsystem trees. > > * (Optional) Apply a patch to mark unused interface deprecated in > percpu tree, so that new usages in linux-next can be detected. > > * Towards the end of the next merge window, merge a patch to actually > kill the old interface. > That sounds like a good idea. -hpa