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=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS autolearn=ham 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 B991BC282DA for ; Thu, 18 Apr 2019 01:58:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 81380214DA for ; Thu, 18 Apr 2019 01:58:10 +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="k94hEwEk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387884AbfDRB6J (ORCPT ); Wed, 17 Apr 2019 21:58:09 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:39991 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730037AbfDRB6J (ORCPT ); Wed, 17 Apr 2019 21:58:09 -0400 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 44l2Lk1vzbz9s47; Thu, 18 Apr 2019 11:58:05 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1555552686; bh=3GkzFSNg/RcI78dZhxCnG2WKngY0rCNueYTue+tyAb8=; h=Date:From:To:Cc:Subject:From; b=k94hEwEk/HL6vhPRvovwepDUpU41xJPrsuuWuDsWjw75coEhomtohgtHoEFhWy5+1 ZJ/URj/aIdSpcwTr5EUYvejhVZbsFM7qmadfB8iSGsQfSE6d+xeM0LcMTObIrGatP9 0FIQ9Zpc8GeAXwlxFYkGo5YwtXvPnrplAa8+u60+ycliUWah7gjsB/u8rJtTPtdI9V lGRbP5AskcyDHzjjgjmWcV0HtBqroeS9OWIIMLO/21p+MPs2bvMKbHY6DVL+lLoEFo UkGfz54fg52IOPD4fWyNZkCyTt+KwFc+sY3JVlh1QTDb8OF4Tfl9gJbRDocgvhuqFU tRVFjag1dMjGA== Date: Thu, 18 Apr 2019 11:57:48 +1000 From: Stephen Rothwell To: Daniel Borkmann , Alexei Starovoitov , Networking Cc: Linux Next Mailing List , Linux Kernel Mailing List , Magnus Karlsson Subject: linux-next: build failure after merge of the bpf-next tree Message-ID: <20190418115748.0b0aefdc@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/Uey02cAE9AV_yMzV/uuoi04"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/Uey02cAE9AV_yMzV/uuoi04 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the bpf-next tree, today's linux-next build (powerpc perf) failed like this: In file included from xsk.c:32: libbpf_util.h:49:3: error: #warning Architecture missing native barrier fun= ctions in libbpf_util.h. [-Werror=3Dcpp] # warning Architecture missing native barrier functions in libbpf_util.h. ^~~~~~~ cc1: all warnings being treated as errors Caused by commit b7e3a28019c9 ("libbpf: remove dependency on barrier.h in xsk.h") I have applied the following patch for today ... please fix this. From: Stephen Rothwell Date: Thu, 18 Apr 2019 11:54:56 +1000 Subject: [PATCH] suppress warning in tools/lib/bpf/libbpf_util.h Signed-off-by: Stephen Rothwell --- tools/lib/bpf/libbpf_util.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/libbpf_util.h b/tools/lib/bpf/libbpf_util.h index 172b707e007b..a54eb2cdbdd6 100644 --- a/tools/lib/bpf/libbpf_util.h +++ b/tools/lib/bpf/libbpf_util.h @@ -46,7 +46,7 @@ do { \ # define libbpf_smp_mb() asm volatile("dmb ish" : : : "memory") # define libbpf_smp_rwmb() libbpf_smp_mb() #else -# warning Architecture missing native barrier functions in libbpf_util.h. +//# warning Architecture missing native barrier functions in libbpf_util.h. # define libbpf_smp_rmb() __sync_synchronize() # define libbpf_smp_wmb() __sync_synchronize() # define libbpf_smp_mb() __sync_synchronize() --=20 2.20.1 --=20 Cheers, Stephen Rothwell --Sig_/Uey02cAE9AV_yMzV/uuoi04 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAly32ZwACgkQAVBC80lX 0GwnQAf+IUy3PBBmu9rOY+hoEog4+s52xXFZ7p67Cn6Vh7n+VrZbhPl1NhyHjtEj tms/einrmeJrRF4sFrkk6S79CWrfkZjH54SOTsj4KQaw1Us47zNiQIDFMZWIh5Fh nCVen72GKjPoy8xXdk1IiQj9a2fb5gCyrnOUDNcqx04LITM4JKpSkCYNCYFODmKQ 3O4UEYUdEr98KDoYfb5XIkA6brL3+T0oJHObwSPAuUwwwPSKiBpWoKk5su9jximg pLNwHVnFQqfHPZHknQ4bP6Q3f7P5V4U7uLuJFXpOg/738oQhvnHY0Usd+Jnkj/pd ARlTMmW+1Elriz4fBS7XY4/VnMuXpQ== =xoS5 -----END PGP SIGNATURE----- --Sig_/Uey02cAE9AV_yMzV/uuoi04--