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=-3.9 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 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 3190BC433E7 for ; Fri, 9 Oct 2020 04:28:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD39F2224A for ; Fri, 9 Oct 2020 04:28:54 +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="E+bKGryP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729689AbgJIE2y (ORCPT ); Fri, 9 Oct 2020 00:28:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727816AbgJIE2x (ORCPT ); Fri, 9 Oct 2020 00:28:53 -0400 Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C77CC0613D2; Thu, 8 Oct 2020 21:28:53 -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 4C6w7M2Lrhz9sRk; Fri, 9 Oct 2020 15:28:47 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1602217728; bh=2Xg2v30A+wUoQbYA2psCGm28W1qa14kbfkT/zV+rz0I=; h=Date:From:To:Cc:Subject:From; b=E+bKGryPGAXmECCxQLY4lwH0BdzDmPuJS3yvg3B+lRie6e+btkaYGeLkoeucToOBy H1JsXeFePr7opGMey4wX4/opTCHL+mibhM37TW7s1Uw5t4+oO6UT5cktGzH0Xn3k2i 637WaXDO4EK895sR9ZyjH3E01ogdl8SiY+iwHugjQZtB27RfKpeJA6LglHKMnMbjK7 dTH+0mTdT0Zltq+XE2nqhvsL9XpHW3vlR9j4rTHlFneAczPUAh7JSXI7huzTce6J8+ B83JHXihbATcwVbHKllhTDlytH9zxfokHzUX328fu0PEwX5Quw4CKLf/tZywtLe8Ck P3FECmvQ939NQ== Date: Fri, 9 Oct 2020 15:28:46 +1100 From: Stephen Rothwell To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra Cc: Josh Poimboeuf , Martin Schwidefsky , Vasily Gorbik , Masami Hiramatsu , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the tip tree Message-ID: <20201009152846.072e6bbf@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/D8pWvJ1NJO5SiQ1GCGu+IE4"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org List-Archive: --Sig_/D8pWvJ1NJO5SiQ1GCGu+IE4 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the tip tree, today's linux-next build (perf) failed like this: In file included from tools/include/linux/build_bug.h:5, from tools/include/linux/kernel.h:8, from util/intel-pt-decoder/intel-pt-insn-decoder.c:7: util/intel-pt-decoder/../../../arch/x86/lib/insn.c: In function '__insn_get= _emulate_prefix': tools/include/linux/compiler.h:37:38: error: nested extern declaration of '= __compiletime_assert_0' [-Werror=3Dnested-externs] 37 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNT= ER__) | ^~~~~~~~~~~~~~~~~~~~~ tools/include/linux/compiler.h:16:15: note: in definition of macro '__compi= letime_assert' 16 | extern void prefix ## suffix(void) __compiletime_error(msg); \ | ^~~~~~ tools/include/linux/compiler.h:37:2: note: in expansion of macro '_compilet= ime_assert' 37 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNT= ER__) | ^~~~~~~~~~~~~~~~~~~ tools/include/linux/build_bug.h:39:37: note: in expansion of macro 'compile= time_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ tools/include/linux/build_bug.h:59:21: note: in expansion of macro 'BUILD_B= UG_ON_MSG' 59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") | ^~~~~~~~~~~~~~~~ util/intel-pt-decoder/../../../arch/x86/lib/insn.c:27:3: note: in expansion= of macro 'BUILD_BUG' 27 | BUILD_BUG(); break; \ | ^~~~~~~~~ util/intel-pt-decoder/../../../arch/x86/lib/insn.c:40:41: note: in expansio= n of macro 'leXX_to_cpu' 40 | ({ t r =3D *(t*)((insn)->next_byte + n); leXX_to_cpu(t, r); }) | ^~~~~~~~~~~ util/intel-pt-decoder/../../../arch/x86/lib/insn.c:46:61: note: in expansio= n of macro '__peek_nbyte_next' 46 | ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_= nbyte_next(t, insn, n); }) | ^~~~~~~= ~~~~~~~~~~ util/intel-pt-decoder/../../../arch/x86/lib/insn.c:86:7: note: in expansion= of macro 'peek_nbyte_next' 86 | if (peek_nbyte_next(insn_byte_t, insn, i) !=3D prefix[i]) | ^~~~~~~~~~~~~~~ Caused by commit 2a522b53c470 ("x86/insn: Support big endian cross-compiles") I have reverted commits a23b701ae9b3 objtool: Rework header include paths 1b4998c364bc objtool: Fix x86 orc generation on big endian cross compiles 317664a7fcc9 objtool: Fix reloc generation on big endian cross compiles 2a522b53c470 x86/insn: Support big endian cross-compiles 2486baae2cf6 objtool: Allow nested externs to enable BUILD_BUG() for today. This is a PowerPC LE native build of tools/perf. --=20 Cheers, Stephen Rothwell --Sig_/D8pWvJ1NJO5SiQ1GCGu+IE4 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAl9/5v4ACgkQAVBC80lX 0GwuHgf/bNF770bTmccxD7Bb7XHLgwE9t50XM5TA1Rh3qyoosyt4D2I1EfyJQhuJ Nq3uOMRMQyqWyYu53sbHZhyb4rMFdcZzrG0iewDFHLKw7pZ/BCxzsO1GGaJC4h6v QKOF5IQJOX+Lj3Iu55+rSXycSmfJpur5ECa6BaNfWGZVfrXf8Zba14eloWScmNvb UknSJtNK4ftW6tEpy/EeKUPvCIMlMO9yJ9ho6kwNTT4znRTBs7ltdu4KbMUSHZB6 +VJwRPQ+0ParZW0QGwjjHkdBgO/sSBCx9Mj1P9pw9lCj2cVtepIyaggYevkJnMhG fe8i5FbZbYA/4r2T3kTc07S2WqLHCA== =QJTb -----END PGP SIGNATURE----- --Sig_/D8pWvJ1NJO5SiQ1GCGu+IE4--