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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 225A4C433E2 for ; Fri, 26 Mar 2021 01:19:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E044A61A45 for ; Fri, 26 Mar 2021 01:19:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230105AbhCZBSl (ORCPT ); Thu, 25 Mar 2021 21:18:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230104AbhCZBSP (ORCPT ); Thu, 25 Mar 2021 21:18:15 -0400 Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26043C06174A; Thu, 25 Mar 2021 18:18:15 -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 4F63xt3nQfz9sVt; Fri, 26 Mar 2021 12:18:10 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1616721492; bh=phZFSTiTd0aRNE6wEyesxTgghlCmSudlO8cvlqd38hE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=OivewrUlARIeV7Ycjvf2fowC7Kr80wiRcRxSQdY+Q4vfsS5i+GKMU098BNS88hqoC 6jwNWN/JSJvpYnGd+cz4DljClaTgJRbAZMFV4hiCagpEB+JvrItaSuMoZ23f/4+Nby wmYJFW428u2kueN+/RRHkMuIijwpXLNi7n8bY0QBsvNN8NIPjxX96rSc1m3NpJSH/b xPjD5q4SlkfkRLat8/hSdgh5VkF+p9k1X26ykwyUnufwBBKR3wtzXMlCuWDmL1LGJY TUQHqqEQEtZNiqaSwKQ8mHYNkqv0Ge+F3gmK2NG6VXwUarsGJLO4EWhKsBdvtcAw9a CKZeda2zDHzzw== Date: Fri, 26 Mar 2021 12:18:08 +1100 From: Stephen Rothwell To: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= Cc: Daniel Borkmann , Alexei Starovoitov , Networking , Andrii Nakryiko , =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , Linux Kernel Mailing List , Linux Next Mailing List , David Miller , Jakub Kicinski , Masahiro Yamada Subject: Re: linux-next: build failure after merge of the bpf-next tree Message-ID: <20210326121808.2da7ac74@canb.auug.org.au> In-Reply-To: <20210312120014.62ced6dd@canb.auug.org.au> References: <20210311114723.352e12f8@canb.auug.org.au> <20210312120014.62ced6dd@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/d8v2PmVjnHhlGf3y3+hGsVt"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org --Sig_/d8v2PmVjnHhlGf3y3+hGsVt Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi all, On Fri, 12 Mar 2021 12:00:14 +1100 Stephen Rothwell = wrote: > > [Cc'ing a few (maybe) interested parties] >=20 > On Thu, 11 Mar 2021 07:47:03 +0100 Bj=C3=B6rn T=C3=B6pel wrote: > > > > On 2021-03-11 01:47, Stephen Rothwell wrote: =20 > > >=20 > > > After merging the bpf-next tree, today's linux-next build (perf) fail= ed > > > like this: > > >=20 > > > make[3]: *** No rule to make target 'libbpf_util.h', needed by '/home= /sfr/next/perf/staticobjs/xsk.o'. Stop. =20 > >=20 > > It's an incremental build issue, as pointed out here [1], that is > > resolved by cleaning the build. =20 >=20 > Does this mean there is a deficiency in the dependencies in our build sys= tem? >=20 > > [1] https://lore.kernel.org/bpf/CAEf4BzYPDF87At4=3D_gsndxof84OiqyJxgAHL= 7_jvpuntovUQ8w@mail.gmail.com/ > > =20 > > > Caused by commit > > >=20 > > > 7e8bbe24cb8b ("libbpf: xsk: Move barriers from libbpf_util.h to xs= k.h") > > >=20 > > > I have used the bpf tree from next-20210310 for today. =20 >=20 > I have set my system to remove the object directory before building > after merging the bpf-next tree for now. I now get this build failure after I merge the net-next tree :-( --=20 Cheers, Stephen Rothwell --Sig_/d8v2PmVjnHhlGf3y3+hGsVt Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmBdNlEACgkQAVBC80lX 0Gwx9Af+Pqj2r9q2x6e0mYcrknKbqhUt431nnKOFK5iscYRXk/GgNFBWSJkRNX6n KetyaIqcoBFWEyHX+WyaR/G1wu/WKpDPloDr56Tml9Ef9szNepom4mpQsfpCLYIU CNnMcfIR+jK1hiK1z6Gkz+/rrMEqynfLBBiCc8R6iBzempLF+eBQKVNvrk1hj32I 73qSTQa0Fv24lAeSC2BrPj+Rox14RyVsFXn/fCtjarQyT9vj+ih1M9Xk30QVmTnP 2I0+VXCceqJ1qlItRj+3MjCJuw8Ekcg5/pH7sPbm/9cxNJ6gsXV1AA76b86+Nri1 wJ5xcQ0CgJcwDK70RIAzHaaw8fPQyA== =OP4w -----END PGP SIGNATURE----- --Sig_/d8v2PmVjnHhlGf3y3+hGsVt--