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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DFE5C77B73 for ; Fri, 19 May 2023 02:13:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230351AbjESCM6 (ORCPT ); Thu, 18 May 2023 22:12:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229610AbjESCM4 (ORCPT ); Thu, 18 May 2023 22:12:56 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E040DF; Thu, 18 May 2023 19:12:56 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 37508652C5; Fri, 19 May 2023 02:12:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97C48C433D2; Fri, 19 May 2023 02:12:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684462374; bh=LomNzVv+RM63A9mGOo7tAYZ/L2kgQitvKBAYCtUl7xI=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=AbGS3xCZvv8KAH+CsGwQI915B9gXH9B5O4qTVyIjm9M24uO+jsBCrnayBdfnTG+IR KilFKvMAs6vNJllt69xwnvdPyJrBZ6a2X13WUm82mn2QCQ/aFdbuCSK+iUkiC7LHUm QzKUcmjLMCTjR7nsCYcFNBgqZf+tlhOCg9ugNB/qr3EKgeum8PxMZBUsyKtIqUbhzx MiAO4za382yrB0n0+ULf25pDfjC7YuTALMGFoi6BjOXyJNBcr9Xqw3zIvRoPshWZGb Ol5qSwHtROUr3D1sA6eCHwH+1HbW5H8EB80eJyRp90nK3qUpHJxH2rDFt26aKDeOpE LoakJW7ynp3Jw== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 78A95CE0CC0; Thu, 18 May 2023 19:12:52 -0700 (PDT) Date: Thu, 18 May 2023 19:12:52 -0700 From: "Paul E. McKenney" To: Stephen Rothwell Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build failure after merge of the rcu tree Message-ID: Reply-To: paulmck@kernel.org References: <20230519105950.2d021e86@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230519105950.2d021e86@canb.auug.org.au> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 19, 2023 at 10:59:50AM +1000, Stephen Rothwell wrote: > Hi all, > > After merging the rcu tree, today's linux-next build (x86_64 allmodconfig) > failed like this: > > kernel/rcu/rcuscale.c:340:27: error: 'get_rcu_tasks_trace_gp_kthread' undeclared here (not in a function); did you mean 'show_rcu_tasks_trace_gp_kthread'? > 340 | .rso_gp_kthread = get_rcu_tasks_trace_gp_kthread, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > | show_rcu_tasks_trace_gp_kthread > > Caused by commit > > 9bb839a83e1b ("rcuscale: Measure grace-period kthread CPU time") > > CONFIG_RCU_SCALE_TEST=m > > I have used the rcu tree from next-20230518 for today. Huh. Modules and #ifdefs trip me up again. Will fix, and thank you for catching it! Thanx, Paul