From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 029D6C2BA18 for ; Sun, 5 Apr 2020 03:10:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C86A62070E for ; Sun, 5 Apr 2020 03:10:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586056236; bh=kIx1RwDLGEcqPPIAxfxHLABlBLsQ0tfPVc+AsI9wId0=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=gxOOGt/JGYPVe9/vPFHe3T6ZwiB1JrxOgldUwHyOhN8dUrnl/vBQlJDunAAHN7tYG Obfp75QDSwDoj0s8FOYs3kD4g4ZqexDXPPeOewsV0DhicT9AZM1wUUzoxxy7rfA/Rj 0DYoPbwEJ/AnUp27gssAMDidbcg7akUvWr2/a4MM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726485AbgDEDKf (ORCPT ); Sat, 4 Apr 2020 23:10:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:55278 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726057AbgDEDKf (ORCPT ); Sat, 4 Apr 2020 23:10:35 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1B3BE206A3; Sun, 5 Apr 2020 03:10:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586056235; bh=kIx1RwDLGEcqPPIAxfxHLABlBLsQ0tfPVc+AsI9wId0=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=pXamp4nkiQoy7exHotB/mfI+a4tKPTV91qXOXpv8MfNMLJkn01chX2ranfvTsUgKS /s9oyOXrHV1ZmEiRpxBLTDtrpmwgfvZmHlaApCA0mI/JmY9aFEzAZT0n1i+6WbpZtk G1yBZlyKP6BALtvym17XP6sLvzJ1cy2O2Sxyd/r8= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id DCD3235227F2; Sat, 4 Apr 2020 20:10:34 -0700 (PDT) Date: Sat, 4 Apr 2020 20:10:34 -0700 From: "Paul E. McKenney" To: Stephen Rothwell Cc: Linux Next Mailing List , Linux Kernel Mailing List Subject: Re: linux-next: build failure after merge of the rcu tree Message-ID: <20200405031034.GX19865@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20200405114959.335eae46@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200405114959.335eae46@canb.auug.org.au> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 05, 2020 at 11:49:59AM +1000, Stephen Rothwell wrote: > Hi all, > > After merging the rcu tree, today's linux-next build (powerpc > ppc64_defconfig) failed like this: > > kernel/trace/ftrace.c: In function 'ftrace_shutdown': > kernel/trace/ftrace.c:2924:3: error: implicit declaration of function 'synchronize_rcu_tasks_rude'; did you mean 'synchronize_rcu_tasks'? [-Werror=implicit-function-declaration] > 2924 | synchronize_rcu_tasks_rude(); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > | synchronize_rcu_tasks > > Caused by commit > > 59377f3e06b8 ("ftrace: Use synchronize_rcu_tasks_rude() instead of ftrace_sync()") > > synchronize_rcu_tasks_rude() is only declared when > CONFIG_TASKS_RCU_GENERIC is defined. > > I have reverted that commit for today. > > Just asking: are all the commits currently in the rcu tree actually > intended for v5.7? My bad! I have moved rcu/next to where it need to be for the duration of the merge window. Please accept my apologies for the hassle. Thanx, Paul