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 A4B02C433F5 for ; Tue, 17 May 2022 09:19:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244786AbiEQJTp (ORCPT ); Tue, 17 May 2022 05:19:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244485AbiEQJTV (ORCPT ); Tue, 17 May 2022 05:19:21 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 022112A714; Tue, 17 May 2022 02:19:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652779160; x=1684315160; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=grGQ9QQpYMfdTvHJAab0dxyFSKeeJ8ndipTrOFgXDeQ=; b=h867A+GufgBdkh2Dau+6XLqJEsWf7iXM9EhwEI2G2foOmgvlb1AfpRzq gGeRiS7fA+m4k2eqfuOH007iTLnZTT+uIAIZbnBOB/pPc40HhwoZRGi/b 6N1vVgUTHbbYpmzuOHbtU+gUagAzAmLpoyZ29xZ8bXEimFiDzJIjhr2z6 0hh8Dt2gjObr4IHyrOQzWBMPY3q8NUd1oDiYGL+3vsNsc8fUxI1ViFCiU fLplN1+3yDlUb59EJ8daI21esXjYTQN1K4NHPoqcL5RKDQa96rB+I53h7 rf6D2N5N2CdLuNCkoER4pwcoLMLn4HlvX6whkxXqxn6y1l7ZwYGysh9nv g==; X-IronPort-AV: E=McAfee;i="6400,9594,10349"; a="270814915" X-IronPort-AV: E=Sophos;i="5.91,232,1647327600"; d="scan'208";a="270814915" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 May 2022 02:19:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,232,1647327600"; d="scan'208";a="555694551" Received: from lkp-server02.sh.intel.com (HELO 242b25809ac7) ([10.239.97.151]) by orsmga002.jf.intel.com with ESMTP; 17 May 2022 02:19:15 -0700 Received: from kbuild by 242b25809ac7 with local (Exim 4.95) (envelope-from ) id 1nqtMJ-0000nV-73; Tue, 17 May 2022 09:19:15 +0000 Date: Tue, 17 May 2022 17:19:04 +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: <202205171711.hqxFhp5l-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> 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-a014-20220516 (https://download.01.org/0day-ci/archive/20220517/202205171711.hqxFhp5l-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: vmx_l1d_flush()+0x13: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: vmx_vcpu_enter_exit()+0x29: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: vmx_update_host_rsp()+0x3e: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: arch_cpu_idle()+0xb: call to {dynamic}() leaves .noinstr.text section >> vmlinux.o: warning: objtool: rcu_idle_exit()+0x25: call to trace_hardirqs_on() leaves .noinstr.text section vmlinux.o: warning: objtool: enter_from_user_mode()+0x1c: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x21: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x1c: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: exit_to_user_mode()+0x1b: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: syscall_exit_to_user_mode()+0x36: call to static_key_count() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x1c: call to __kcsan_check_access() leaves .noinstr.text section vmlinux.o: warning: objtool: irqentry_exit_to_user_mode()+0x22: call to static_key_count() leaves .noinstr.text section -- 0-DAY CI Kernel Test Service https://01.org/lkp