From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754236Ab0CDSN3 (ORCPT ); Thu, 4 Mar 2010 13:13:29 -0500 Received: from fallback.mail.elte.hu ([157.181.151.13]:59501 "EHLO fallback.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753318Ab0CDSN1 (ORCPT ); Thu, 4 Mar 2010 13:13:27 -0500 Date: Thu, 4 Mar 2010 12:12:45 +0100 From: Ingo Molnar To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, laijs@cn.fujitsu.com, 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 Subject: Re: [PATCH tip/core/rcu 2/4] rcu: suppress RCU lockdep warnings during early boot Message-ID: <20100304111245.GD21977@elte.hu> References: <20100303154638.GA8576@linux.vnet.ibm.com> <1267631219-8713-2-git-send-email-paulmck@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1267631219-8713-2-git-send-email-paulmck@linux.vnet.ibm.com> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=none autolearn=no SpamAssassin version=3.2.5 _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Paul E. McKenney wrote: > @@ -154,6 +167,10 @@ static inline int rcu_read_lock_sched_held(void) > # define rcu_read_acquire_sched() do { } while (0) > # define rcu_read_release_sched() do { } while (0) > > +static inline void debug_lockdep_rcu_update(void) > +{ > +} > + Note, this method was only included for the !CONFIG_DEBUG_LOCK_ALLOC case, so i left it out for the time being. Which may result in a somewhat incomplete debug state, but it would at least build with lockdep enabled ;-) Ingo