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 A8136C433EF for ; Mon, 4 Jul 2022 12:55:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230380AbiGDMzz (ORCPT ); Mon, 4 Jul 2022 08:55:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231917AbiGDMzi (ORCPT ); Mon, 4 Jul 2022 08:55:38 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45FEDBB6 for ; Mon, 4 Jul 2022 05:55:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656939332; x=1688475332; h=date:from:to:cc:subject:message-id:mime-version; bh=6BrhjcQ2KruHo6v9x5F682Uz2m5xh8U4lbSpllYYhak=; b=GrApPHzZO+lNELYUE1uUgmSj+8avo7R1wh2FGXfsXjE0ZVhNNl4qlXr9 2VIsLa9kds1xhOdzB/9jdroiAMi8fK3wvzaQ2Xv2ujg49jHWIpfzgQLE0 yM8ijbA+nxbFiwp24GksSG0S+Sg4UKd8faswvaWZHG3d9Eahmr6zLtvqp WaTDiCPKz2MMzoBnxODVCKkO06Q25uvD7Dez0LZNsx6r39QRFiB31trGZ fyvuAwr5mYjakn9o7gzO53aMYtIjOgRbJUpcKEM8AKYAM8hKStsl7WPJZ btgRjkKyFICxkZ5dmH5vSgv7tmKx5VWDQA8W1WYabIooIgCOh0ynPVFkH g==; X-IronPort-AV: E=McAfee;i="6400,9594,10397"; a="263546747" X-IronPort-AV: E=Sophos;i="5.92,243,1650956400"; d="scan'208";a="263546747" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2022 05:55:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,243,1650956400"; d="scan'208";a="542581665" Received: from lkp-server01.sh.intel.com (HELO 68b931ab7ac1) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 04 Jul 2022 05:55:30 -0700 Received: from kbuild by 68b931ab7ac1 with local (Exim 4.95) (envelope-from ) id 1o8Lbt-000HtH-PJ; Mon, 04 Jul 2022 12:55:29 +0000 Date: Mon, 4 Jul 2022 20:55:05 +0800 From: kernel test robot To: Peter Zijlstra Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Sasha Levin Subject: [stable:linux-5.15.y 7794/8135] arch/x86/kernel/cpu/bugs.o: warning: objtool: spectre_v2_user_select_mitigation()+0x2da: unreachable instruction Message-ID: <202207042056.89dtC67G-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.15.y head: 545aecd229613138d6db54fb2b5221faca10137f commit: 0853f905e48b92dcf27a8d931104c9aac10de191 [7794/8135] x86/cpu: Elide KCSAN for cpu_has() and friends config: x86_64-randconfig-a006-20220704 (https://download.01.org/0day-ci/archive/20220704/202207042056.89dtC67G-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=0853f905e48b92dcf27a8d931104c9aac10de191 git remote add stable https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git git fetch --no-tags stable linux-5.15.y git checkout 0853f905e48b92dcf27a8d931104c9aac10de191 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/x86/kernel/cpu/bugs.o: warning: objtool: spectre_v2_user_select_mitigation()+0x2da: unreachable instruction -- 0-DAY CI Kernel Test Service https://01.org/lkp