From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A90FC258A for ; Mon, 8 Sep 2025 06:02:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757311325; cv=none; b=XFQbX/QPsthLnXuDzQKL265M99ItfHG3PC14w1Ev7rLoibUyVdR4fAuD68aMotcdPqwTV98A8tPaPjp+i4Km5tx3XEYPpjX8Xr5W28hPrioqLvpUJlnO3E4qXmWrndBJue3gzi6LO4Jg6D9I808XTjzeGbOLgVctAYPyh9l10as= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757311325; c=relaxed/simple; bh=sH0WZEnxdnBAewzDMUttPsrct8hCNH/1iOAEVJV9/m0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HMRLfRAaLjHHgWqeo3bFajnlQ0PPKSJNyeF46co+fLoeqHVpzLXO1IUY+E5TwTcja0njs1xS1Q93GcgnVdyCpFYuKnq0hqfGTcMdZ+a17WBzR+SuVhYpDdCD2h3L7BZtzIu3MybYuWKZ4BSoPZpQGpnOHIU59Dtyb/vpHScwvB0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=mAJ80v+/; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="mAJ80v+/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1757311323; x=1788847323; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=sH0WZEnxdnBAewzDMUttPsrct8hCNH/1iOAEVJV9/m0=; b=mAJ80v+/vHwt5s1I2eEQ7REeayBLIRccQE59iZlNlHQ+A0bJR6xzxuJP RHifZBcvldXmb9pAw0GEQVCIyciAr7lAAAB8sDwqSCp5xuNS38lwHpAyL /UpTdl7dA36Vrih5+w2Gad9lCmAesOhFGiwUDYJvlGKWxp4lcu+6ttTR7 WM5ru/fFMlPygWog6KlbjMcOgZAIj8cSuon0sNE2JFIwDhmu1j2PQu+JE gs7UHAzpxosyW0EX9spB1Hm6b2y/LU0P6RspldvpZmyoGyLgEYQyOpPYJ 2/6iA3MSnrmLMzpiObGBzD0jaWkP2MN7StmPMjY/ihMyGczvQzmkccHcO w==; X-CSE-ConnectionGUID: TQh2lR18TSGNBmj7m5bg7w== X-CSE-MsgGUID: XQMAdXHPQLS5GyjTzfNLPg== X-IronPort-AV: E=McAfee;i="6800,10657,11546"; a="85001536" X-IronPort-AV: E=Sophos;i="6.18,247,1751266800"; d="scan'208";a="85001536" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2025 23:02:01 -0700 X-CSE-ConnectionGUID: Xds/YYeyQji+Rluyc+GJPw== X-CSE-MsgGUID: 4FbbuXRhRLuGqGguDcrMAw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,247,1751266800"; d="scan'208";a="173067090" Received: from lkp-server01.sh.intel.com (HELO 114d98da2b6c) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 07 Sep 2025 23:01:55 -0700 Received: from kbuild by 114d98da2b6c with local (Exim 4.96) (envelope-from ) id 1uvUwq-0003YF-1i; Mon, 08 Sep 2025 06:01:52 +0000 Date: Mon, 8 Sep 2025 14:01:36 +0800 From: kernel test robot To: Siddharth Chintamaneni , bpf@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, djwillia@vt.edu, miloc@vt.edu, ericts@vt.edu, rahult@vt.edu, doniaghazy@vt.edu, quanzhif@vt.edu, jinghao7@illinois.edu, sidchintamaneni@gmail.com, memxor@gmail.com, egor@vt.edu, sairoop10@gmail.com, rjsu26@gmail.com Subject: Re: [PATCH 3/4] bpf: runtime part of fast-path termination approach Message-ID: <202509081350.yqptixjh-lkp@intel.com> References: <20250907230415.289327-4-sidchintamaneni@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250907230415.289327-4-sidchintamaneni@gmail.com> Hi Siddharth, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/net] [also build test WARNING on bpf-next/master bpf/master linus/master v6.17-rc5 next-20250905] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Siddharth-Chintamaneni/bpf-Introduce-new-structs-and-struct-fields-for-fast-path-termination/20250908-070655 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net patch link: https://lore.kernel.org/r/20250907230415.289327-4-sidchintamaneni%40gmail.com patch subject: [PATCH 3/4] bpf: runtime part of fast-path termination approach config: s390-randconfig-001-20250908 (https://download.01.org/0day-ci/archive/20250908/202509081350.yqptixjh-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 7fb1dc08d2f025aad5777bb779dfac1197e9ef87) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250908/202509081350.yqptixjh-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202509081350.yqptixjh-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/bpf/core.c:109:13: warning: no previous prototype for function 'in_place_patch_bpf_prog' [-Wmissing-prototypes] 109 | void __weak in_place_patch_bpf_prog(struct bpf_prog *prog) | ^ kernel/bpf/core.c:109:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 109 | void __weak in_place_patch_bpf_prog(struct bpf_prog *prog) | ^ | static >> kernel/bpf/core.c:114:13: warning: no previous prototype for function 'bpf_die' [-Wmissing-prototypes] 114 | void __weak bpf_die(struct bpf_prog *prog) | ^ kernel/bpf/core.c:114:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 114 | void __weak bpf_die(struct bpf_prog *prog) | ^ | static >> kernel/bpf/core.c:119:13: warning: no previous prototype for function 'bpf_prog_termination_deferred' [-Wmissing-prototypes] 119 | void __weak bpf_prog_termination_deferred(struct work_struct *work) | ^ kernel/bpf/core.c:119:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 119 | void __weak bpf_prog_termination_deferred(struct work_struct *work) | ^ | static >> kernel/bpf/core.c:124:13: warning: no previous prototype for function 'bpf_softlockup' [-Wmissing-prototypes] 124 | void __weak bpf_softlockup(u32 dur_s) | ^ kernel/bpf/core.c:124:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 124 | void __weak bpf_softlockup(u32 dur_s) | ^ | static 4 warnings generated. vim +/in_place_patch_bpf_prog +109 kernel/bpf/core.c 107 108 > 109 void __weak in_place_patch_bpf_prog(struct bpf_prog *prog) 110 { 111 return; 112 } 113 > 114 void __weak bpf_die(struct bpf_prog *prog) 115 { 116 return; 117 } 118 > 119 void __weak bpf_prog_termination_deferred(struct work_struct *work) 120 { 121 return; 122 } 123 > 124 void __weak bpf_softlockup(u32 dur_s) 125 { 126 return; 127 } 128 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki