From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754018Ab0LOQg6 (ORCPT ); Wed, 15 Dec 2010 11:36:58 -0500 Received: from terminus.zytor.com ([198.137.202.10]:53685 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753779Ab0LOQg4 (ORCPT ); Wed, 15 Dec 2010 11:36:56 -0500 Message-ID: <4D08EE57.8010602@zytor.com> Date: Wed, 15 Dec 2010 08:35:35 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101103 Fedora/1.0-0.33.b2pre.fc14 Thunderbird/3.1.6 MIME-Version: 1.0 To: Tejun Heo CC: Christoph Lameter , Eric Dumazet , akpm@linux-foundation.org, Pekka Enberg , linux-kernel@vger.kernel.org, Mathieu Desnoyers Subject: Re: [cpuops cmpxchg V2 5/5] cpuops: Use cmpxchg for xchg to avoid lock semantics References: <20101214162842.542421046@linux.com> <20101214162855.392020353@linux.com> <1292345072.5934.32.camel@edumazet-laptop> <4D07A2B7.8080405@zytor.com> <4D07A7CB.7010205@zytor.com> <4D07A95C.7030703@kernel.org> <4D0814AF.7080209@zytor.com> <4D08ECEF.3040909@kernel.org> In-Reply-To: <4D08ECEF.3040909@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/15/2010 08:29 AM, Tejun Heo wrote: > Hello, > > On 12/15/2010 02:06 AM, H. Peter Anvin wrote: >> It's probably easiest if you just add them with my Acked-by: then. >> Alternatively, I could pick them up so they go into -tip and the tip >> test machinery. > > All patches accepted into percpu till now are in the following branch. > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-next > > The tree is based on v2.6.37-rc5 and v2.6.37-rc5..for-next would give > 21 patches. I think most of these don't fit x86 tree but there are > several which would fit there much better. d80aadf9 (x86: Replace > uses of current_cpu_data with this_cpu ops) and e5195e91 (x86: Use > this_cpu_inc_return for nmi counter). > > As it would be beneficial to push these through -tip testing anyway, > how about the following? > > * If you review and ack the x86 related bits in the series, I'll > regenerated and add the ACKs. > > * It would be better if the two commits mentioned above get routed > through x86 tree rather than percpu tree, so I'll drop the above two > from percpu tree and you can pull percpu into x86 and then apply > those in x86 tree. > I think we can do that... let me look through the tree first officially committing. Alternatively, I can pull the patches from your tree and individually review them and add them to a tip branch, if you prefer. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.