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[23.128.96.19]) by mx.google.com with ESMTPS id n4-20020a63e044000000b0039890725054si1176935pgj.711.2022.05.17.21.55.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 May 2022 21:55:41 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=VpHtB7hG; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9F36B13B8D1; Tue, 17 May 2022 21:02:21 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236517AbiEQCjW (ORCPT + 99 others); Mon, 16 May 2022 22:39:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229553AbiEQCjV (ORCPT ); Mon, 16 May 2022 22:39:21 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3959445506; Mon, 16 May 2022 19:39:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652755160; x=1684291160; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=xftwmo8CNrHSR3juUYt1djnxmsGihebc2jvPKN5TNvI=; b=VpHtB7hGEPmJ3sFwLaukWDRPOFSbKzNG5+CvMDc7p74qbZZLuTwY9O4m kbzaRArcdbzW0MRYSen9jnjp9k1eWoTTmF0gSSjbHp2vFQs1Qf0XNEgWf swoHtcu0tUCthFF2+wYFtUMYq2KU9lmQue+xWqwUtSnUz+nRRsMRTjT5D Ps/QJn7ixTqULZtRhH3Yw3AQpDx2s5LCReS98hNqg0i76MRoD9Yxe0AhJ Xgs7FRdbo9dEXjQ5no1A+gYodbj2AmbJbN+Lhx2CLwRMffMsz2CUP3WJZ k1skG+yofBIdVJdKtE/Fc/NMQ15i5Dm0Ei64mxHGDb8FZgQ18rwuFwOMi A==; X-IronPort-AV: E=McAfee;i="6400,9594,10349"; a="270725220" X-IronPort-AV: E=Sophos;i="5.91,231,1647327600"; d="scan'208";a="270725220" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2022 19:39:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,231,1647327600"; d="scan'208";a="660394014" Received: from lkp-server02.sh.intel.com (HELO 242b25809ac7) ([10.239.97.151]) by FMSMGA003.fm.intel.com with ESMTP; 16 May 2022 19:39:16 -0700 Received: from kbuild by 242b25809ac7 with local (Exim 4.95) (envelope-from ) id 1nqn7D-0000X3-Lv; Tue, 17 May 2022 02:39:15 +0000 Date: Tue, 17 May 2022 10:39:14 +0800 From: kernel test robot To: Jiri Olsa , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Masami Hiramatsu , "Paul E. McKenney" Cc: kbuild-all@lists.01.org, netdev@vger.kernel.org, bpf@vger.kernel.org, lkml , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Steven Rostedt Subject: Re: [PATCH bpf-next 1/2] cpuidle/rcu: Making arch_cpu_idle and rcu_idle_exit noinstr Message-ID: <202205171050.9msZot6F-lkp@intel.com> References: <20220515203653.4039075-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220515203653.4039075-1-jolsa@kernel.org> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jiri, I love your patch! Perhaps something to improve: [auto build test WARNING on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Jiri-Olsa/cpuidle-rcu-Making-arch_cpu_idle-and-rcu_idle_exit-noinstr/20220516-043752 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: x86_64-randconfig-c002-20220516 (https://download.01.org/0day-ci/archive/20220517/202205171050.9msZot6F-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/0b6fee32d730f621f2bfc4d8d9f0729814398415 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jiri-Olsa/cpuidle-rcu-Making-arch_cpu_idle-and-rcu_idle_exit-noinstr/20220516-043752 git checkout 0b6fee32d730f621f2bfc4d8d9f0729814398415 # save the config file mkdir build_dir && cp config build_dir/.config 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: arch_cpu_idle()+0x0: call to {dynamic}() leaves .noinstr.text section >> vmlinux.o: warning: objtool: rcu_idle_exit()+0x16: call to trace_hardirqs_off() leaves .noinstr.text section vmlinux.o: warning: objtool: enter_from_user_mode()+0x18: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x1d: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x18: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x18: call to __kcsan_check_access() leaves .noinstr.text section -- 0-DAY CI Kernel Test Service https://01.org/lkp