From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: linux-next: build failure after merge of the rcu tree Date: Mon, 13 Apr 2015 13:34:05 +0200 Message-ID: <20150413113405.GA667@gmail.com> References: <20150413203917.1e7ea535@canb.auug.org.au> <20150413110620.GD22325@pd.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-wg0-f47.google.com ([74.125.82.47]:33254 "EHLO mail-wg0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754074AbbDMLeL (ORCPT ); Mon, 13 Apr 2015 07:34:11 -0400 Content-Disposition: inline In-Reply-To: <20150413110620.GD22325@pd.tnic> Sender: linux-next-owner@vger.kernel.org List-ID: To: Borislav Petkov Cc: Stephen Rothwell , "Paul E. McKenney" , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org * Borislav Petkov wrote: > On Mon, Apr 13, 2015 at 08:39:17PM +1000, Stephen Rothwell wrote: > > Hi Paul, > > > > After merging the rcu tree, today's linux-next build (powerpc allnoconfig) > > failed like this: > > > > init/main.c: In function 'rest_init': > > init/main.c:387:2: error: implicit declaration of function 'smpboot_thread_init' [-Werror=implicit-function-declaration] > > smpboot_thread_init(); > > ^ > > > > Caused by commit c55f6e1f6f69 ("cpu: Defer smpboot kthread unparking > > until CPU known to scheduler"). The declaration in include/linux/cpu.h > > is protected by CONFIG_SMP, its use is not. > > > > I have reverted that commit for today. > > Thanks for the report Stephen, I know today is the day of b0rked > linux-next builds :-( > > I think Ingo merged Paul's patch already so here's a fix ontop: Yeah, I too triggered that build failure and fixed it locally. Thanks, Ingo