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Date: Tue, 17 Oct 2023 17:17:27 +0800
From: kernel test robot <lkp@...el.com>
To: Mark Rutland <mark.rutland@....com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
"Steven Rostedt (Google)" <rostedt@...dmis.org>,
"Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Subject: kernel/trace/ftrace.c:1256: warning: Function parameter or member
'ops' not described in 'ftrace_free_filter'
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 <lkp@...el.com>
| 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 <jolsa@...hat.com>
:::::: CC: Steven Rostedt <rostedt@...dmis.org>
--
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https://github.com/intel/lkp-tests/wiki
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