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X-IronPort-AV: E=McAfee;i="6600,9927,10927"; a="392603613" X-IronPort-AV: E=Sophos;i="6.04,284,1695711600"; d="scan'208";a="392603613" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2023 13:54:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10927"; a="809604902" X-IronPort-AV: E=Sophos;i="6.04,284,1695711600"; d="scan'208";a="809604902" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga001.jf.intel.com with ESMTP; 17 Dec 2023 13:54:48 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rEz5y-0003Rm-2H; Sun, 17 Dec 2023 21:54:46 +0000 Date: Mon, 18 Dec 2023 05:53:57 +0800 From: kernel test robot To: Mark Rutland Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, "Steven Rostedt (Google)" , "Masami Hiramatsu (Google)" Subject: kernel/trace/ftrace.c:1256: warning: Function parameter or struct member 'ops' not described in 'ftrace_free_filter' Message-ID: <202312180518.X6fRyDSN-lkp@intel.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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0e389834672c723435a44818ed2cabc4dad24429 commit: 8be9fbd5345da52f4a74f7f81d55ff9fa0a2958e ftrace: Export ftrace_free_filter() to modules date: 11 months ago config: i386-randconfig-054-20231216 (https://download.01.org/0day-ci/archive/20231218/202312180518.X6fRyDSN-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231218/202312180518.X6fRyDSN-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/202312180518.X6fRyDSN-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/trace/ftrace.c:1256: warning: Function parameter or struct member 'ops' not described in 'ftrace_free_filter' kernel/trace/ftrace.c:5709: warning: Function parameter or struct member 'addr' not described in 'unregister_ftrace_direct_multi' kernel/trace/ftrace.c:5854: warning: Function parameter or struct member 'ops' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:5854: warning: Function parameter or struct member 'ip' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:5854: warning: Function parameter or struct member 'remove' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:5854: warning: Function parameter or struct member 'reset' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:5877: warning: Function parameter or struct member 'ops' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5877: warning: Function parameter or struct member 'ips' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5877: warning: Function parameter or struct member 'cnt' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5877: warning: Function parameter or struct member 'remove' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5877: warning: Function parameter or struct member 'reset' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5891: warning: Function parameter or struct member 'ops' not described in 'ftrace_ops_set_global_filter' kernel/trace/ftrace.c:5923: warning: Function parameter or struct member 'ops' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:5923: warning: Function parameter or struct member 'buf' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:5923: warning: Function parameter or struct member 'len' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:5923: warning: Function parameter or struct member 'reset' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:5946: warning: Function parameter or struct member 'ops' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:5946: warning: Function parameter or struct member 'buf' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:5946: warning: Function parameter or struct member 'len' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:5946: warning: Function parameter or struct member 'reset' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:5961: warning: Function parameter or struct member 'buf' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:5961: warning: Function parameter or struct member 'len' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:5961: warning: Function parameter or struct member 'reset' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:5977: warning: Function parameter or struct member 'buf' not described in 'ftrace_set_global_notrace' kernel/trace/ftrace.c:5977: warning: Function parameter or struct member 'len' not described in 'ftrace_set_global_notrace' kernel/trace/ftrace.c:5977: warning: Function parameter or struct member 'reset' not described in 'ftrace_set_global_notrace' vim +1256 kernel/trace/ftrace.c 07fd5515f3b5c2 Steven Rostedt 2011-05-05 1250 8be9fbd5345da5 Mark Rutland 2023-01-03 1251 /** 8be9fbd5345da5 Mark Rutland 2023-01-03 1252 * ftrace_free_filter - remove all filters for an ftrace_ops 8be9fbd5345da5 Mark Rutland 2023-01-03 1253 * @ops - the ops to remove the filters from 8be9fbd5345da5 Mark Rutland 2023-01-03 1254 */ 5500fa51199aee Jiri Olsa 2012-02-15 1255 void ftrace_free_filter(struct ftrace_ops *ops) 5500fa51199aee Jiri Olsa 2012-02-15 @1256 { f04f24fb7e48d4 Masami Hiramatsu 2013-05-09 1257 ftrace_ops_init(ops); 33b7f99cf003ca Steven Rostedt (Red Hat 2014-08-15 1258) free_ftrace_hash(ops->func_hash->filter_hash); 33b7f99cf003ca Steven Rostedt (Red Hat 2014-08-15 1259) free_ftrace_hash(ops->func_hash->notrace_hash); 5500fa51199aee Jiri Olsa 2012-02-15 1260 } 8be9fbd5345da5 Mark Rutland 2023-01-03 1261 EXPORT_SYMBOL_GPL(ftrace_free_filter); 5500fa51199aee Jiri Olsa 2012-02-15 1262 :::::: The code at line 1256 was first introduced by commit :::::: 5500fa51199aee770ce53718853732600543619e ftrace, perf: Add filter support for function trace event :::::: TO: Jiri Olsa :::::: CC: Steven Rostedt -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki