From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 614AE111AD for ; Wed, 13 Nov 2024 14:03:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731506618; cv=none; b=iYJJ/oN5925BimkSSAipsi1/KoiX9KDx/Dz0dI2n3mip5SWJdPJrUbYj+fLJqq+e4YHGDbMLHaCnYnCb4DsSnXQpG9kvsEt8k2HaT9WymVQHz5QKWze+w0tR3z6Zb1s40pELZyBmpvghvpPUWv+KqqS7v18J7FIPtqvXcWIc5Y0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731506618; c=relaxed/simple; bh=mQwM7MUR+K6GisLt//X9jfcRj3guSvU+ov8rpExK3DU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=s6XRKUvtOQPhw5Sma+LqMtGloK1CW5uLfNUo9vPtLPlqHlt/a8ux2yS6Xfd+IN0qwvOklbov15FXEc8V2aGak4R1iNCZY5to+DIYwqNT7GYqoPeZC57QlgYKoMIW4eDc+qSWmdnM5db6yJWC+uQBS3Zr2mr2Ix+Q3sjsz0fOMgo= 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=Gf/paZAQ; arc=none smtp.client-ip=198.175.65.16 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="Gf/paZAQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731506616; x=1763042616; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=mQwM7MUR+K6GisLt//X9jfcRj3guSvU+ov8rpExK3DU=; b=Gf/paZAQd98W63r7o6fzrVj12z7pcnaWZwJHURYRNhogPjqGmZRrHtgp CB5xSOYq3FfNLVmEtOYEAzuoUa+p/tLDzhAU9+Gm/XYg9Tsn/XotZqitk YoSouwGQe5bjN2qJ1f+AS+UJF0Q3VuT9zVC6LcxhHDebHJrfOabcqcJvy LuMyJTNd/EOTi0+ax2/TGK2EIHD/wLVD2KLROopnqAQrS9FAhdlqPi9Ry VR/ijmCAiDEJ+YIQHEurRp+nTAoKGykn3OC8yHPhn6GePDR95mRcpl6qZ pd+MjourUcp7LlAta/g97djLOhddrNGOt24WtE8M9UP4vK0S2NlnG49nS Q==; X-CSE-ConnectionGUID: f6c9CHZgQseFPK9WjJqW1w== X-CSE-MsgGUID: 4m0doOonTa6njrb8bisiJQ== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="31555510" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="31555510" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2024 06:03:35 -0800 X-CSE-ConnectionGUID: EXvLhkO9RHuITBa/hoTiBg== X-CSE-MsgGUID: drpgI0sYT1q0bkphm50NpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,151,1728975600"; d="scan'208";a="111194773" Received: from lkp-server01.sh.intel.com (HELO 80bd855f15b3) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 13 Nov 2024 06:03:32 -0800 Received: from kbuild by 80bd855f15b3 with local (Exim 4.96) (envelope-from ) id 1tBDxy-0000RV-0p; Wed, 13 Nov 2024 14:03:30 +0000 Date: Wed, 13 Nov 2024 22:03:20 +0800 From: kernel test robot To: Liu Chao , linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, lixiaokeng@huawei.com, caihe@huawei.com Subject: Re: [PATCH] Add interface to trigger backtrace on specified CPUs Message-ID: <202411132108.ZvhAmel0-lkp@intel.com> References: <20241112125609.1406586-1-liuchao173@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20241112125609.1406586-1-liuchao173@huawei.com> Hi Liu, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-nonmm-unstable] [also build test ERROR on linus/master v6.12-rc7 next-20241113] [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/Liu-Chao/Add-interface-to-trigger-backtrace-on-specified-CPUs/20241112-210050 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable patch link: https://lore.kernel.org/r/20241112125609.1406586-1-liuchao173%40huawei.com patch subject: [PATCH] Add interface to trigger backtrace on specified CPUs config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241113/202411132108.ZvhAmel0-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241113/202411132108.ZvhAmel0-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/202411132108.ZvhAmel0-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/backtrace.c:29:12: error: use of undeclared identifier 'no_llseek'; did you mean 'noop_llseek'? 29 | .llseek = no_llseek, | ^~~~~~~~~ | noop_llseek include/linux/fs.h:3241:15: note: 'noop_llseek' declared here 3241 | extern loff_t noop_llseek(struct file *file, loff_t offset, int whence); | ^ 1 error generated. vim +29 kernel/backtrace.c 25 26 static const struct file_operations backtrace_fops = { 27 .owner = THIS_MODULE, 28 .write = backtrace_write, > 29 .llseek = no_llseek, 30 }; 31 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki