From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755484Ab1KUJBI (ORCPT ); Mon, 21 Nov 2011 04:01:08 -0500 Received: from mga02.intel.com ([134.134.136.20]:56944 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755032Ab1KUJBH (ORCPT ); Mon, 21 Nov 2011 04:01:07 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="78279617" Subject: Re: [PATCH 1/3] net: use this_cpu_xxx replace percpu_xxx funcs From: "Alex,Shi" To: Eric Dumazet Cc: Christoph Lameter , "tj@kernel.org" , "linux-kernel@vger.kernel.org" , "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" , "jeremy@xensource.com" In-Reply-To: <1319099893.3781.0.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> References: <1318237851.27949.190.camel@debian> <1318324774.27949.693.camel@debian> <1318382964.27949.782.camel@debian> <1318428673.29699.13.camel@debian> <1318908091.23426.52.camel@debian> <1319016218.23426.104.camel@debian> <1319078687.23426.146.camel@debian> <1319087281.8416.45.camel@edumazet-laptop> <1319095929.23426.180.camel@debian> <1319099893.3781.0.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Content-Type: text/plain; charset="UTF-8" Date: Mon, 21 Nov 2011 17:00:51 +0800 Message-ID: <1321866051.30341.565.camel@debian> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2011-10-20 at 16:38 +0800, Eric Dumazet wrote: > Le jeudi 20 octobre 2011 à 15:32 +0800, Alex,Shi a écrit : > > 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? > >