Hi Seokwoo, kernel test robot noticed the following build warnings:
[auto build test WARNING on trace/for-next] [also build test WARNING on linus/master v6.18-rc7 next-20251127] [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/Seokwoo-Chung-Ryan/docs-tracing-fprobe-Document-list-filters-and-entry-exit/20251127-024245 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/20251126184110.72241-3-seokwoo.chung130%40gmail.com patch subject: [PATCH v4 2/3] tracing/fprobe: Support comma-separated symbols and :entry/:exit config: x86_64-randconfig-003-20251127 (https://download.01.org/0day-ci/archive/20251127/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251127/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): kernel/trace/trace_fprobe.c: In function 'parse_fprobe_spec': kernel/trace/trace_fprobe.c:1282:12: error: invalid storage class for function 'trace_fprobe_create_internal' 1282 | static int trace_fprobe_create_internal(int argc, const char *argv[], | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1513:12: error: invalid storage class for function 'trace_fprobe_create_cb' 1513 | static int trace_fprobe_create_cb(int argc, const char *argv[]) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1530:12: error: invalid storage class for function 'trace_fprobe_create' 1530 | static int trace_fprobe_create(const char *raw_command) | ^~~~~~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1535:12: error: invalid storage class for function 'trace_fprobe_release' 1535 | static int trace_fprobe_release(struct dyn_event *ev) | ^~~~~~~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1545:12: error: invalid storage class for function 'trace_fprobe_show' 1545 | static int trace_fprobe_show(struct seq_file *m, struct dyn_event *ev) | ^~~~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1572:12: error: invalid storage class for function 'enable_trace_fprobe' 1572 | static int enable_trace_fprobe(struct trace_event_call *call, | ^~~~~~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1608:12: error: invalid storage class for function 'disable_trace_fprobe' 1608 | static int disable_trace_fprobe(struct trace_event_call *call, | ^~~~~~~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1653:12: error: invalid storage class for function 'fprobe_register' 1653 | static int fprobe_register(struct trace_event_call *event, | ^~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1683:19: error: invalid storage class for function 'init_fprobe_trace_early' 1683 | static __init int init_fprobe_trace_early(void) | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/fprobe.h:6, from kernel/trace/trace_fprobe.c:8: include/linux/compiler.h:286:52: error: initializer element is not constant 286 | __UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)(uintptr_t)&sym; | ^ include/linux/compiler.h:289:9: note: in expansion of macro '___ADDRESSABLE' 289 | ___ADDRESSABLE(sym, __section(".discard.addressable")) | ^~~~~~~~~~~~~~ include/linux/init.h:250:9: note: in expansion of macro '__ADDRESSABLE' 250 | __ADDRESSABLE(fn) | ^~~~~~~~~~~~~ include/linux/init.h:255:9: note: in expansion of macro '__define_initcall_stub' 255 | __define_initcall_stub(__stub, fn) \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/init.h:268:9: note: in expansion of macro '____define_initcall' 268 | ____define_initcall(fn, \ | ^~~~~~~~~~~~~~~~~~~ include/linux/init.h:274:9: note: in expansion of macro '__unique_initcall' 274 | __unique_initcall(fn, id, __sec, __initcall_id(fn)) | ^~~~~~~~~~~~~~~~~ include/linux/init.h:276:35: note: in expansion of macro '___define_initcall' 276 | #define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id) | ^~~~~~~~~~~~~~~~~~ include/linux/init.h:294:41: note: in expansion of macro '__define_initcall' 294 | #define core_initcall(fn) __define_initcall(fn, 1) | ^~~~~~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1702:1: note: in expansion of macro 'core_initcall' 1702 | core_initcall(init_fprobe_trace_early); | ^~~~~~~~~~~~~ kernel/trace/trace_fprobe.c:1702:1: error: expected declaration or statement at end of input kernel/trace/trace_fprobe.c: At top level: >> kernel/trace/trace_fprobe.c:28:12: warning: 'trace_fprobe_create' used but >> never defined 28 | static int trace_fprobe_create(const char *raw_command); | ^~~~~~~~~~~~~~~~~~~ >> kernel/trace/trace_fprobe.c:29:12: warning: 'trace_fprobe_show' used but >> never defined 29 | static int trace_fprobe_show(struct seq_file *m, struct dyn_event *ev); | ^~~~~~~~~~~~~~~~~ >> kernel/trace/trace_fprobe.c:30:12: warning: 'trace_fprobe_release' used but >> never defined 30 | static int trace_fprobe_release(struct dyn_event *ev); | ^~~~~~~~~~~~~~~~~~~~ >> kernel/trace/trace_fprobe.c:741:12: warning: 'fprobe_register' used but >> never defined 741 | static int fprobe_register(struct trace_event_call *event, | ^~~~~~~~~~~~~~~ >> kernel/trace/trace_fprobe.c:1653:12: warning: 'fprobe_register' defined but >> not used [-Wunused-function] 1653 | static int fprobe_register(struct trace_event_call *event, | ^~~~~~~~~~~~~~~ >> kernel/trace/trace_fprobe.c:1545:12: warning: 'trace_fprobe_show' defined >> but not used [-Wunused-function] 1545 | static int trace_fprobe_show(struct seq_file *m, struct dyn_event *ev) | ^~~~~~~~~~~~~~~~~ >> kernel/trace/trace_fprobe.c:1535:12: warning: 'trace_fprobe_release' defined >> but not used [-Wunused-function] 1535 | static int trace_fprobe_release(struct dyn_event *ev) | ^~~~~~~~~~~~~~~~~~~~ >> kernel/trace/trace_fprobe.c:1530:12: warning: 'trace_fprobe_create' defined >> but not used [-Wunused-function] 1530 | static int trace_fprobe_create(const char *raw_command) | ^~~~~~~~~~~~~~~~~~~ vim +/trace_fprobe_create +28 kernel/trace/trace_fprobe.c 334e5519c37570 Masami Hiramatsu (Google 2023-06-06 27) 334e5519c37570 Masami Hiramatsu (Google 2023-06-06 @28) static int trace_fprobe_create(const char *raw_command); 334e5519c37570 Masami Hiramatsu (Google 2023-06-06 @29) static int trace_fprobe_show(struct seq_file *m, struct dyn_event *ev); 334e5519c37570 Masami Hiramatsu (Google 2023-06-06 @30) static int trace_fprobe_release(struct dyn_event *ev); 334e5519c37570 Masami Hiramatsu (Google 2023-06-06 31) static bool trace_fprobe_is_busy(struct dyn_event *ev); 334e5519c37570 Masami Hiramatsu (Google 2023-06-06 32) static bool trace_fprobe_match(const char *system, const char *event, 334e5519c37570 Masami Hiramatsu (Google 2023-06-06 33) int argc, const char **argv, struct dyn_event *ev); 334e5519c37570 Masami Hiramatsu (Google 2023-06-06 34) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
