Hi Nam, kernel test robot noticed the following build warnings:
[auto build test WARNING on trace/for-next] [also build test WARNING on tip/x86/core tip/x86/mm linus/master v6.14-rc6 next-20250313] [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/Nam-Cao/rv-Add-undef-TRACE_INCLUDE_FILE/20250312-011043 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/c8a1658c6da343b6055cbfcd6ee5ddea48335d31.1741708239.git.namcao%40linutronix.de patch subject: [PATCH 04/10] rv: Add rtapp_block monitor config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20250313/202503132244.azu340js-...@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250313/202503132244.azu340js-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202503132244.azu340js-...@intel.com/ All warnings (new ones prefixed by >>): >> kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:91:53: warning: omitting >> the parameter name in a function definition is a C23 extension >> [-Wc23-extensions] 91 | static void handle_rt_mutex_wake_waiter_begin(void *, struct task_struct *task) | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:96:51: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 96 | static void handle_rt_mutex_wake_waiter_end(void *, struct task_struct *task) | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:101:45: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 101 | static void handle_sched_kthread_stop(void *, struct task_struct *task) | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:109:49: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 109 | static void handle_sched_kthread_stop_ret(void *, int) | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:109:54: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 109 | static void handle_sched_kthread_stop_ret(void *, int) | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:117:39: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions] 117 | static void handle_sched_wakeup(void *, struct task_struct *task) | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:164:2: error: call to undeclared function 'check_trace_callback_type_sys_enter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 164 | rv_attach_trace_probe("rtapp_block", sys_enter, handle_sys_enter); | ^ include/rv/instrumentation.h:18:3: note: expanded from macro 'rv_attach_trace_probe' 18 | check_trace_callback_type_##tp(rv_handler); \ | ^ <scratch space>:8:1: note: expanded from here 8 | check_trace_callback_type_sys_enter | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:164:2: error: call to undeclared function 'register_trace_sys_enter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] include/rv/instrumentation.h:19:13: note: expanded from macro 'rv_attach_trace_probe' 19 | WARN_ONCE(register_trace_##tp(rv_handler, NULL), \ | ^ <scratch space>:9:1: note: expanded from here 9 | register_trace_sys_enter | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:165:2: error: call to undeclared function 'check_trace_callback_type_sys_exit'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 165 | rv_attach_trace_probe("rtapp_block", sys_exit, handle_sys_exit); | ^ include/rv/instrumentation.h:18:3: note: expanded from macro 'rv_attach_trace_probe' 18 | check_trace_callback_type_##tp(rv_handler); \ | ^ <scratch space>:14:1: note: expanded from here 14 | check_trace_callback_type_sys_exit | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:165:2: error: call to undeclared function 'register_trace_sys_exit'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] include/rv/instrumentation.h:19:13: note: expanded from macro 'rv_attach_trace_probe' 19 | WARN_ONCE(register_trace_##tp(rv_handler, NULL), \ | ^ <scratch space>:15:1: note: expanded from here 15 | register_trace_sys_exit | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:165:2: note: did you mean 'register_ftrace_direct'? include/rv/instrumentation.h:19:13: note: expanded from macro 'rv_attach_trace_probe' 19 | WARN_ONCE(register_trace_##tp(rv_handler, NULL), \ | ^ <scratch space>:15:1: note: expanded from here 15 | register_trace_sys_exit | ^ include/linux/ftrace.h:535:19: note: 'register_ftrace_direct' declared here 535 | static inline int register_ftrace_direct(struct ftrace_ops *ops, unsigned long addr) | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:180:2: error: call to undeclared function 'unregister_trace_sys_enter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 180 | rv_detach_trace_probe("rtapp_block", sys_enter, handle_sys_enter); | ^ include/rv/instrumentation.h:28:3: note: expanded from macro 'rv_detach_trace_probe' 28 | unregister_trace_##tp(rv_handler, NULL); \ | ^ <scratch space>:29:1: note: expanded from here 29 | unregister_trace_sys_enter | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:181:2: error: call to undeclared function 'unregister_trace_sys_exit'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 181 | rv_detach_trace_probe("rtapp_block", sys_exit, handle_sys_exit); | ^ include/rv/instrumentation.h:28:3: note: expanded from macro 'rv_detach_trace_probe' 28 | unregister_trace_##tp(rv_handler, NULL); \ | ^ <scratch space>:30:1: note: expanded from here 30 | unregister_trace_sys_exit | ^ kernel/trace/rv/monitors/rtapp_block/rtapp_block.c:181:2: note: did you mean 'unregister_ftrace_direct'? include/rv/instrumentation.h:28:3: note: expanded from macro 'rv_detach_trace_probe' 28 | unregister_trace_##tp(rv_handler, NULL); \ | ^ <scratch space>:30:1: note: expanded from here 30 | unregister_trace_sys_exit | ^ include/linux/ftrace.h:539:19: note: 'unregister_ftrace_direct' declared here 539 | static inline int unregister_ftrace_direct(struct ftrace_ops *ops, unsigned long addr, | ^ 6 warnings and 6 errors generated. vim +91 kernel/trace/rv/monitors/rtapp_block/rtapp_block.c 90 > 91 static void handle_rt_mutex_wake_waiter_begin(void *, struct task_struct *task) 92 { 93 rv_rtapp_block_atom_update(task, RT_MUTEX_WAKING_WAITER, true); 94 } 95 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
