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 5F67CC433F5 for ; Mon, 28 Mar 2022 05:07:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238114AbiC1FJH (ORCPT ); Mon, 28 Mar 2022 01:09:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238098AbiC1FJB (ORCPT ); Mon, 28 Mar 2022 01:09:01 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 162BB46147 for ; Sun, 27 Mar 2022 22:07:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648444042; x=1679980042; h=date:from:to:cc:subject:message-id:mime-version; bh=lZJOERFH7oTW/lODh/xoheOIGWVEYGe5+Emr2y+S6CU=; b=PJRgWbm0lblDqvTKcQnO1O8iLxVGMyq137wq2EXZ38gza9IJ3tdfqEL8 80T/gLvZc5cjtwxrynZmgqpRNkHPfhzADEcrypZIRKDxE1enQmNdwiyGr g2QkcJ5iIKBtd5IMPzna6LBVdLKwZAXyqilZm5wvqaFfaAmQZBOX9ga9+ ztopn2sbiWbbGpt1a+cWf9nj2s+yoHHPM0CWj1iYuhNRzrsj2t7YC7Gc7 Q/ZwfMeF+8q1R833ieGP9xxRZBewJFxwRt5qunlCYr15F47EPTsMLRGTc ozKrllP5Z4FNeZ6q49HzkculKWKgGGJ++hDEU6PC5MxmR31ufbRdfvFAk g==; X-IronPort-AV: E=McAfee;i="6200,9189,10299"; a="257741628" X-IronPort-AV: E=Sophos;i="5.90,216,1643702400"; d="scan'208";a="257741628" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2022 22:07:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,216,1643702400"; d="scan'208";a="563254936" Received: from lkp-server02.sh.intel.com (HELO 89b41b6ae01c) ([10.239.97.151]) by orsmga008.jf.intel.com with ESMTP; 27 Mar 2022 22:07:20 -0700 Received: from kbuild by 89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nYhb6-0001jn-0n; Mon, 28 Mar 2022 05:07:20 +0000 Date: Mon, 28 Mar 2022 13:06:50 +0800 From: kernel test robot To: Peter Zijlstra Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: vmlinux.o: warning: objtool: fixup_exception()+0x38d: unreachable instruction Message-ID: <202203281242.rB7iBQGD-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ae085d7f9365de7da27ab5c0d16b12d51ea7fca9 commit: ed53a0d971926e484d86cce617ec02a7ee85c3fe x86/alternative: Use .ibt_endbr_seal to seal indirect calls date: 13 days ago config: x86_64-randconfig-r036-20220328 (https://download.01.org/0day-ci/archive/20220328/202203281242.rB7iBQGD-lkp@intel.com/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed53a0d971926e484d86cce617ec02a7ee85c3fe git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ed53a0d971926e484d86cce617ec02a7ee85c3fe # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> vmlinux.o: warning: objtool: fixup_exception()+0x38d: unreachable instruction -- 0-DAY CI Kernel Test Service https://01.org/lkp