From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul E. McKenney" Subject: Re: linux-next: build failure after merge of the rcu tree Date: Mon, 1 Feb 2016 01:53:57 -0800 Message-ID: <20160201095357.GO6719@linux.vnet.ibm.com> References: <20160201135551.657cd095@canb.auug.org.au> Reply-To: paulmck@linux.vnet.ibm.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from e34.co.us.ibm.com ([32.97.110.152]:46214 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751693AbcBAJyE (ORCPT ); Mon, 1 Feb 2016 04:54:04 -0500 Received: from localhost by e34.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 1 Feb 2016 02:54:03 -0700 Content-Disposition: inline In-Reply-To: <20160201135551.657cd095@canb.auug.org.au> Sender: linux-next-owner@vger.kernel.org List-ID: To: Stephen Rothwell Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org On Mon, Feb 01, 2016 at 01:55:51PM +1100, Stephen Rothwell wrote: > Hi Paul, > > After merging the rcu tree, today's linux-next build (x86_64 allmodconfig) > failed like this: > > In file included from /home/sfr/next/next/include/linux/spinlock_types.h:18:0, > from /home/sfr/next/next/include/linux/spinlock.h:81, > from /home/sfr/next/next/kernel/rcu/tree.c:33: > /home/sfr/next/next/kernel/rcu/tree.c: In function 'rcu_init_one': > /home/sfr/next/next/include/linux/lockdep.h:299:27: error: 'struct rt_mutex' has no member named 'dep_map' > lockdep_init_map(&(lock)->dep_map, name, key, 0) > ^ > /home/sfr/next/next/kernel/rcu/tree.c:4572:4: note: in expansion of macro 'lockdep_set_class_and_name' > lockdep_set_class_and_name(&rnp->exp_funnel_mutex, > ^ > > Caused by commit > > 725b7f3805c6 ("rcu: Convert expedited grace-period funnel lock to rt_mutex") > > I have used the rcu tree from next-20160129 for today. Apologies, that was too experimental for -next. I have placed rcu/next to precede the offending commit. Thanx, Paul