From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 4E9DE429CD8; Thu, 20 Aug 2026 11:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787225204; cv=none; b=sHtW/QRe61FLM8j7uTAF7E+XW5yGwJlp3sKe39rpvuACiNEGDBj9d4YygwiVK+JfMJVLsr+sTuYTSDWWGJxthk0gSG5vRURv3t3IRissbIchnAFHurdJF5eqNkfiylM4tq+LKsbc8FzBQRNapUq14iI6FWoO/FaViwZ3JTEjb/8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787225204; c=relaxed/simple; bh=PUmSV99hYtfvOHmqI3ut+VfA/zR/1i+aLOG4Zq41QpE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ihy0IU+hWqFlUdM1pCl8jp/DW4eCxrbyFjGjf4I/Ibno+tq6SI0kX+98bcIuTfCWjf6vqBEilH5XKd36Qsw7uvAyFYpdByeRvTYrg2sobgz4fde9hLvzSlcDHs2JhwELg+Elnr1de981yavea1PLqmvQX/bwBpfgcucKhTNjkBA= 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=Jg0MfDsT; arc=none smtp.client-ip=192.198.163.16 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="Jg0MfDsT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787225202; x=1818761202; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=PUmSV99hYtfvOHmqI3ut+VfA/zR/1i+aLOG4Zq41QpE=; b=Jg0MfDsTNXeVsgIsgwvtmERlB7zAZDs1e5NfVforayVDaqbwJDvad3yH Yjvd+G+i4CP92uopswtj5VwioSrMyTNmXgK7Tddsar1/P3+qxguwx9djI l641R1adlxgHorrdnvPYgde788SLKHPw0pgCJdL7WZ3wmzSx5NEsPJL8V vTVyVo9I40WWHmcoEc0766T0Uo+YtiE8aqQItkSHBopZWaPxj1X9e00TJ 6gHJDDdOAVYEs4e+sDRXkJoB0dfVluwGexCWCGA8rKJK9tyJXjzxo1GQj Cpql9fSeuE4E3UYj/i1Xqv1ggfQNXf/6JmSOdA3em3Grj/himPdrxLNcr Q==; X-CSE-ConnectionGUID: rVf29uzWTOOXpbtXsKm7tw== X-CSE-MsgGUID: xmJZk5IjSXOSc3ii+RMfSQ== X-IronPort-AV: E=McAfee;i="6800,10657,11880"; a="75289076" X-IronPort-AV: E=Sophos;i="6.25,233,1779174000"; d="scan'208";a="75289076" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Aug 2026 04:26:40 -0700 X-CSE-ConnectionGUID: UxLXTPOBRDOpSJXj4iqylg== X-CSE-MsgGUID: 83JFPhYiSXqUl0YE2xMRMA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,233,1779174000"; d="scan'208";a="270226535" Received: from lkp-server01.sh.intel.com (HELO 6eda058d650d) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 20 Aug 2026 04:26:37 -0700 Received: from kbuild by 6eda058d650d with local (Exim 4.98.2) (envelope-from ) id 1wx0up-00000000ioh-0FyX; Thu, 20 Aug 2026 11:26:35 +0000 Date: Thu, 20 Aug 2026 19:25:45 +0800 From: kernel test robot To: Steven Rostedt , LKML , Linux Trace Kernel Cc: oe-kbuild-all@lists.linux.dev, Anubhav Shelat , Masami Hiramatsu , Shivank Garg , Ackerley Tng , Fuad Tabba , Christian Brauner , Sean Christopherson Subject: Re: [PATCH v3] tracefs: Add read-only eventfs filesystem at /sys/kernel/events Message-ID: <202608201958.Dlhk7OGz-lkp@intel.com> References: <20260810160708.3460a2fd@gandalf.local.home> 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: <20260810160708.3460a2fd@gandalf.local.home> Hi Steven, kernel test robot noticed the following build warnings: [auto build test WARNING on v7.2] [also build test WARNING on next-20260819] [cannot apply to trace/for-next linus/master] [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/Steven-Rostedt/tracefs-Add-read-only-eventfs-filesystem-at-sys-kernel-events/20260810-160708 base: v7.2 patch link: https://lore.kernel.org/r/20260810160708.3460a2fd%40gandalf.local.home patch subject: [PATCH v3] tracefs: Add read-only eventfs filesystem at /sys/kernel/events config: x86_64-randconfig-013-20260820 (https://download.01.org/0day-ci/archive/20260820/202608201958.Dlhk7OGz-lkp@intel.com/config) compiler: gcc-13 (Debian 13.3.0-16) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260820/202608201958.Dlhk7OGz-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/202608201958.Dlhk7OGz-lkp@intel.com/ All warnings (new ones prefixed by >>): >> Warning: fs/tracefs/event_inode.c:501 function parameter 'ro' not described in 'lookup_dir_entry' >> Warning: fs/tracefs/event_inode.c:621 function parameter 'ro' not described in '__eventfs_root_lookup' >> Warning: fs/tracefs/event_inode.c:621 expecting prototype for eventfs_root_lookup(). Prototype was for __eventfs_root_lookup() instead >> Warning: fs/tracefs/event_inode.c:977 function parameter 'ei' not described in 'eventfs_create_events_ro_copy' >> Warning: fs/tracefs/event_inode.c:977 expecting prototype for eventfs_create_events_dir_ro(). Prototype was for eventfs_create_events_ro_copy() instead >> Warning: fs/tracefs/event_inode.c:501 function parameter 'ro' not described in 'lookup_dir_entry' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki