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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 B529AC433DF for ; Thu, 25 Jun 2020 02:58:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F32620789 for ; Thu, 25 Jun 2020 02:58:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="Ag48Ej54" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389568AbgFYC57 (ORCPT ); Wed, 24 Jun 2020 22:57:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388930AbgFYC56 (ORCPT ); Wed, 24 Jun 2020 22:57:58 -0400 Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C991C061573; Wed, 24 Jun 2020 19:57:58 -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 49sl7Q29dtz9sRf; Thu, 25 Jun 2020 12:57:54 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1593053876; bh=psPe9FzujwmVzuE9PFq9+5QBvHHW8QOUloymleHrmB0=; h=Date:From:To:Cc:Subject:From; b=Ag48Ej54AJGxJsdBdpiEhqFZENi3qz0QyS2Oz5N/MKZcYhCrKjwBFQhLq4fvRCXZ/ gJyRNiAC1QSaHQTazLRNHjKM9c4oTZY9pb6h9Xdr3bPNHg673GvvRl16m0UYBPMXTV EqoEbQCBfmL8tmUL865HR7jn/MyQCcs4OmnxQnUZPFOsUch5PcfUKVoJLXf+1OjteM 3hJoiaBPR311aFtxdk/9oyYueTvEHL25wcPYSJ/bFBIhfAJpX5Z7ZpD0R/HSr/vnel nLcWrWcHQN/94vOibwgiEdlty4MOiQ+x79GURsSFmmRQGuhbJcNO2jQ5m1KEjMMm3x ZJOrV+Fts3ETA== Date: Thu, 25 Jun 2020 12:57:53 +1000 From: Stephen Rothwell To: "Paul E. McKenney" Cc: Linux Next Mailing List , Linux Kernel Mailing List , Peter Zijlstra Subject: linux-next: build failure after merge of the rcu tree Message-ID: <20200625125753.6ec44d50@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/bJTHBuQJEM8peeNQsjWP.RA"; protocol="application/pgp-signature"; micalg=pgp-sha256 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/bJTHBuQJEM8peeNQsjWP.RA Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the rcu tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: kernel/rcu/tree.c: In function 'rcu_dynticks_eqs_enter': kernel/rcu/tree.c:251:8: error: implicit declaration of function 'arch_atom= ic_add_return'; did you mean 'atomic_add_return'? [-Werror=3Dimplicit-funct= ion-declaration] 251 | seq =3D arch_atomic_add_return(RCU_DYNTICK_CTRL_CTR, &rdp->dyntick= s); | ^~~~~~~~~~~~~~~~~~~~~~ | atomic_add_return kernel/rcu/tree.c: In function 'rcu_dynticks_eqs_exit': kernel/rcu/tree.c:281:3: error: implicit declaration of function 'arch_atom= ic_andnot'; did you mean 'atomic_andnot'? [-Werror=3Dimplicit-function-decl= aration] 281 | arch_atomic_andnot(RCU_DYNTICK_CTRL_MASK, &rdp->dynticks); | ^~~~~~~~~~~~~~~~~~ | atomic_andnot kernel/rcu/tree.c: In function 'rcu_dynticks_curr_cpu_in_eqs': kernel/rcu/tree.c:314:11: error: implicit declaration of function 'arch_ato= mic_read'; did you mean 'atomic_read'? [-Werror=3Dimplicit-function-declara= tion] 314 | return !(arch_atomic_read(&rdp->dynticks) & RCU_DYNTICK_CTRL_CTR); | ^~~~~~~~~~~~~~~~ | atomic_read Caused by commit d2f8491368e5 ("rcu: Fixup noinstr warnings") I reverted that commit for today. --=20 Cheers, Stephen Rothwell --Sig_/bJTHBuQJEM8peeNQsjWP.RA Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAl70ErEACgkQAVBC80lX 0GzaYgf9EeSnACAXZv6/pEn2jlqn/dAiRC6IBF+fsXdlu++mqbGuc05PRXyH1zK2 1z7zAHlbU9cEM9R4723WGeyTwRBN+LV1jjO1YAe0OXisJI5HWoXcLNToEnMd4+8b rB9a6g3YaK9FF1SAJGgQupzgKY5jReo7dT5ueRUPGpdLILBH4BqJ+LvXXeIa+ZQW m/SLbON0cgHgYR1v5FEgqQqS+a/fNGe+bNGHQGenTaaUXluzdrOi1q+yYV8BNn8D Ux5yUhZyAAa9edwiTnhUd+FpejIKv/ojBHkudhuSRNDTpwbirf/XzXH3zTysRfQZ NctqjW1sM8LmQAo1WZtmJC9K3TqGoA== =Y+S6 -----END PGP SIGNATURE----- --Sig_/bJTHBuQJEM8peeNQsjWP.RA--