From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757323Ab2AKJLo (ORCPT ); Wed, 11 Jan 2012 04:11:44 -0500 Received: from mga03.intel.com ([143.182.124.21]:21818 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754816Ab2AKJLl (ORCPT ); Wed, 11 Jan 2012 04:11:41 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="94652066" Subject: Re: [PATCH 1/3] net: use this_cpu_xxx replace percpu_xxx funcs From: "Alex,Shi" To: David Miller Cc: kaber@trash.net, eric.dumazet@gmail.com, cl@gentwo.org, tj@kernel.org, linux-kernel@vger.kernel.org, ying.huang@intel.com, tglx@linutronix.de, mingo@redhat.com, avi@redhat.com, akpm@linux-foundation.org, a.p.zijlstra@chello.nl, kvm@vger.kernel.org, jeremy@xensource.com In-Reply-To: <20120111.010331.2039534822545257440.davem@davemloft.net> References: <1322793200.11530.33.camel@debian> <4ED8BD00.4000500@trash.net> <1326271533.5695.242.camel@debian> <20120111.010331.2039534822545257440.davem@davemloft.net> Content-Type: text/plain; charset="UTF-8" Date: Wed, 11 Jan 2012 17:10:18 +0800 Message-ID: <1326273018.5695.264.camel@debian> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2012-01-11 at 01:03 -0800, David Miller wrote: > From: "Alex,Shi" > Date: Wed, 11 Jan 2012 16:45:33 +0800 > > >> >>>> percpu_xxx funcs are duplicated with this_cpu_xxx funcs, so replace them > >> >>>> for further code clean up. > >> >>>> > >> >>>> And in preempt safe scenario, __this_cpu_xxx funcs has a bit better > >> >>>> performance since __this_cpu_xxx has no redundant preempt_disable() > >> >>>> > >> >>>> Signed-off-by: Alex Shi > >> >>>> --- > >> >>>> net/netfilter/xt_TEE.c | 12 ++++++------ > >> >>>> net/socket.c | 4 ++-- > >> >>>> 2 files changed, 8 insertions(+), 8 deletions(-) > >> >>> > >> >>> Acked-by: Eric Dumazet > >> >>> > >> >>> Thanks ! > >> >> > >> >> Anyone like to pick up this patch? or more comments for this? > >> > > >> > Kaber, David: > >> > I appreciate for your any comments on this. Could you like do me a > >> > favor? > >> > >> No objections from me. > > > > rend this patch for 3.2.0 kernel with Eric's Ack. > > > > David, do you have any concerns for this patch? I will very appreciate > > if it can met 3.3 open window. > > Please just submit it directly with the other this_cpu() patches: > > Acked-by: David S. Miller Thanks a lot! :)