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Tue, 17 Oct 2023 09:18:10 +0000 Date: Tue, 17 Oct 2023 17:17:27 +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 member 'ops' not described in 'ftrace_free_filter' Message-ID: <202310171716.F4hyR2xg-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 213f891525c222e8ed145ce1ce7ae1f47921cb9c commit: 8be9fbd5345da52f4a74f7f81d55ff9fa0a2958e ftrace: Export ftrace_free_filter() to modules date: 9 months ago config: x86_64-buildonly-randconfig-001-20231012 (https://download.01.org/0day-ci/archive/20231017/202310171716.F4hyR2xg-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231017/202310171716.F4hyR2xg-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/202310171716.F4hyR2xg-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/trace/ftrace.c:1256: warning: Function parameter or member 'ops' not described in 'ftrace_free_filter' kernel/trace/ftrace.c:5709: warning: Function parameter or member 'addr' not described in 'unregister_ftrace_direct_multi' kernel/trace/ftrace.c:5854: warning: Function parameter or member 'ops' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:5854: warning: Function parameter or member 'ip' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:5854: warning: Function parameter or member 'remove' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:5854: warning: Function parameter or member 'reset' not described in 'ftrace_set_filter_ip' kernel/trace/ftrace.c:5877: warning: Function parameter or member 'ops' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5877: warning: Function parameter or member 'ips' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5877: warning: Function parameter or member 'cnt' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5877: warning: Function parameter or member 'remove' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5877: warning: Function parameter or member 'reset' not described in 'ftrace_set_filter_ips' kernel/trace/ftrace.c:5891: warning: Function parameter or member 'ops' not described in 'ftrace_ops_set_global_filter' kernel/trace/ftrace.c:5923: warning: Function parameter or member 'ops' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:5923: warning: Function parameter or member 'buf' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:5923: warning: Function parameter or member 'len' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:5923: warning: Function parameter or member 'reset' not described in 'ftrace_set_filter' kernel/trace/ftrace.c:5946: warning: Function parameter or member 'ops' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:5946: warning: Function parameter or member 'buf' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:5946: warning: Function parameter or member 'len' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:5946: warning: Function parameter or member 'reset' not described in 'ftrace_set_notrace' kernel/trace/ftrace.c:5961: warning: Function parameter or member 'buf' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:5961: warning: Function parameter or member 'len' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:5961: warning: Function parameter or member 'reset' not described in 'ftrace_set_global_filter' kernel/trace/ftrace.c:5977: warning: Function parameter or member 'buf' not described in 'ftrace_set_global_notrace' kernel/trace/ftrace.c:5977: warning: Function parameter or member 'len' not described in 'ftrace_set_global_notrace' kernel/trace/ftrace.c:5977: warning: Function parameter or 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