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 569E6C7EE29 for ; Mon, 22 May 2023 01:45:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231419AbjEVBpM (ORCPT ); Sun, 21 May 2023 21:45:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229533AbjEVBpK (ORCPT ); Sun, 21 May 2023 21:45:10 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 72365AF; Sun, 21 May 2023 18:45:08 -0700 (PDT) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4QPgHh2Lqhz4x3x; Mon, 22 May 2023 11:45:04 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1684719904; bh=L+YD1Ezs0C5v+60PQcDAlX8fBslJaqpGa0Z+MAhmVEA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=SxOuzyONkegw2MokXBgep1RlS4g10FGKCn1DXXHdSAIeDraox5hjUDNQeqM/RjDRp s9qgv0zzsbprb9oNmjgmLj66kBuIHINz6G50wBugjacrAyDweE3QL4Nq2eKdd1vuPj jFfRvJ92V3wjSfUKoyNf1XbYRfICgIwxpvG+m93mJ/nFTYLuWF+CxPAznxl+QarYvz HllKeuIS+aqRG3OheUFXAbkAtlo1QZ7W2MGx1lvknJPRmkEg4U4cf4iqwRe6dp8zz5 L4R9jipYHsLgBIXizBZ6+NLJa9N054Y8VPAb9ZrH125qirVZpdck1mgzKLJp4crNaB j3O88hgXYuI1Q== Date: Mon, 22 May 2023 11:45:03 +1000 From: Stephen Rothwell To: "Paul E. McKenney" Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build failure after merge of the rcu tree Message-ID: <20230522114503.7404d59c@canb.auug.org.au> In-Reply-To: References: <20230519105950.2d021e86@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/fFHjrGlBDbpnRwH_Au2RIoC"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/fFHjrGlBDbpnRwH_Au2RIoC Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Paul, On Thu, 18 May 2023 19:12:52 -0700 "Paul E. McKenney" = wrote: > > On Fri, May 19, 2023 at 10:59:50AM +1000, Stephen Rothwell wrote: > > Hi all, > >=20 > > After merging the rcu tree, today's linux-next build (x86_64 allmodconf= ig) > > failed like this: > >=20 > > kernel/rcu/rcuscale.c:340:27: error: 'get_rcu_tasks_trace_gp_kthread' u= ndeclared here (not in a function); did you mean 'show_rcu_tasks_trace_gp_k= thread'? > > 340 | .rso_gp_kthread =3D get_rcu_tasks_trace_gp_kthread, > > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > | show_rcu_tasks_trace_gp_kthread > >=20 > > Caused by commit > >=20 > > 9bb839a83e1b ("rcuscale: Measure grace-period kthread CPU time") > >=20 > > CONFIG_RCU_SCALE_TEST=3Dm > >=20 > > I have used the rcu tree from next-20230518 for today. =20 >=20 > Huh. Modules and #ifdefs trip me up again. Will fix, and thank you > for catching it! This is now: ERROR: modpost: "get_rcu_tasks_trace_gp_kthread" [kernel/rcu/rcuscale.ko] u= ndefined! I have used the rcu tree from next-20230518 again for today. --=20 Cheers, Stephen Rothwell --Sig_/fFHjrGlBDbpnRwH_Au2RIoC Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmRqyR8ACgkQAVBC80lX 0Gz7rAf/Zd9VNQKbS2JZ+nYo0w0HbjT1yFonbr0f/37EEKItZjWoPqSOVCfYfV52 9prgvhXlodLBIY9OxTwdoggeOMcoTW2EODEm3qy1bPbzU8Hg+71FgTwPH9GeR0Ht lzSfjDB1paC68jnX8SeTYds9X1+mR8ZSu9qzTBz3FgQIct+KpShQVqu+Xc8w/6Be D2Zakao790Yr9sFMUF8VGaobe9Gs8ZRx241pMdJiQrhf1kfwenWvQNFfpwI6ReTc zLvK5wbhGsf+tA7E26A9kovSSz66VnDsx5zw3bNMU3ssH9UwiyWRH4kImAp9OTB/ mjkbnRjw3JD5XuE061HstBUXRjpwWQ== =23Ct -----END PGP SIGNATURE----- --Sig_/fFHjrGlBDbpnRwH_Au2RIoC--