Hi Masami, kernel test robot noticed the following build errors:
[auto build test ERROR on trace/for-next] [also build test ERROR on next-20251107] [cannot apply to linus/master v6.18-rc4] [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/Masami-Hiramatsu-Google/tracing-Report-wrong-dynamic-event-command/20251108-185823 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/176259938768.261465.10714633393722227911.stgit%40devnote2 patch subject: [PATCH] tracing: Report wrong dynamic event command config: s390-randconfig-002-20251109 (https://download.01.org/0day-ci/archive/20251109/[email protected]/config) compiler: s390-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251109/[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 errors (new ones prefixed by >>): s390-linux-ld: kernel/trace/trace_dynevent.o: in function `create_dyn_event': >> kernel/trace/trace_dynevent.c:150: undefined reference to >> `trace_probe_log_init' >> s390-linux-ld: kernel/trace/trace_dynevent.c:151: undefined reference to >> `__trace_probe_log_err' >> s390-linux-ld: kernel/trace/trace_dynevent.c:152: undefined reference to >> `trace_probe_log_clear' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for I2C_K1 Depends on [n]: I2C [=y] && HAS_IOMEM [=y] && (ARCH_SPACEMIT || COMPILE_TEST [=y]) && OF [=n] Selected by [y]: - MFD_SPACEMIT_P1 [=y] && HAS_IOMEM [=y] && (ARCH_SPACEMIT || COMPILE_TEST [=y]) && I2C [=y] vim +150 kernel/trace/trace_dynevent.c 133 134 static int create_dyn_event(const char *raw_command) 135 { 136 struct dyn_event_operations *ops; 137 int ret = -ENODEV; 138 139 if (raw_command[0] == '-' || raw_command[0] == '!') 140 return dyn_event_release(raw_command, NULL); 141 142 mutex_lock(&dyn_event_ops_mutex); 143 list_for_each_entry(ops, &dyn_event_ops_list, list) { 144 ret = ops->create(raw_command); 145 if (!ret || ret != -ECANCELED) 146 break; 147 } 148 if (ret == -ECANCELED) { 149 /* Wrong dynamic event. Leave an error message. */ > 150 trace_probe_log_init("dynevent", 1, &raw_command); > 151 trace_probe_log_err(0, BAD_DYN_EVENT); > 152 trace_probe_log_clear(); 153 ret = -EINVAL; 154 } 155 156 mutex_unlock(&dyn_event_ops_mutex); 157 158 return ret; 159 } 160 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
