From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965906Ab0CPGS6 (ORCPT ); Tue, 16 Mar 2010 02:18:58 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:55437 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S964977Ab0CPGSz (ORCPT ); Tue, 16 Mar 2010 02:18:55 -0400 Message-ID: <4B9F22C8.6070702@cn.fujitsu.com> Date: Tue, 16 Mar 2010 14:18:48 +0800 From: Lai Jiangshan User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: paulmck@linux.vnet.ibm.com CC: linux-kernel@vger.kernel.org, mingo@elte.hu, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, dvhltc@us.ibm.com, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, eric.dumazet@gmail.com, arnd@arndb.de Subject: Re: [PATCH tip/core/rcu] rcu: make rcu_read_lock_bh_held() allow for disabled BH References: <20100316000343.GA25857@linux.vnet.ibm.com> In-Reply-To: <20100316000343.GA25857@linux.vnet.ibm.com> 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 Paul E. McKenney wrote: > Disabling BH can stand in for rcu_read_lock_bh(), and this patch updates > rcu_read_lock_bh_held() to allow for this. In order to avoid include-file > hell, this function is moved out of line to kernel/rcupdate.c. > > Reported-by: Arnd Bergmann > Reported-by: Eric Dumazet > Signed-off-by: Paul E. McKenney Acked-by: Lai Jiangshan