Hi Masami, kernel test robot noticed the following build errors:
[auto build test ERROR on trace/for-next] [also build test ERROR on linus/master v6.16-rc5 next-20250708] [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-Remove-__attribute__-from-the-type-field-of-event-format/20250708-195600 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/175197568917.977073.2201559708302320631.stgit%40mhiramat.tok.corp.google.com patch subject: [PATCH 1/2] tracing: Remove "__attribute__()" from the type field of event format :::::: branch date: 13 hours ago :::::: commit date: 13 hours ago config: arc-randconfig-001-20250709 (attached as .config) compiler: arc-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (attached as 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/202507090856.swua0d8t-...@intel.com/ All errors (new ones prefixed by >>): kernel/trace/trace_events.c: In function 'sanitize_field_type': >> kernel/trace/trace_events.c:120:30: error: initializer element is not >> constant static const int attr_len = strlen(ATTRIBUTE_STR); ^~~~~~ vim +120 kernel/trace/trace_events.c c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 116) c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 117) /* Remove all __attribute__() from type */ c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 118) static void sanitize_field_type(char *type) c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 119) { c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 @120) static const int attr_len = strlen(ATTRIBUTE_STR); c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 121) char *attr, *tmp, *next; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 122) int depth; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 123) c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 124) next = type; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 125) while ((attr = strstr(next, ATTRIBUTE_STR))) { c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 126) next = attr + attr_len; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 127) c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 128) /* Retry if __attribute__ is a part of type name. */ c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 129) if ((attr != type && !isspace(attr[-1])) || c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 130) attr[attr_len] != '(') c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 131) continue; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 132) c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 133) depth = 0; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 134) while ((tmp = strpbrk(next, "()"))) { c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 135) if (*tmp == '(') c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 136) depth++; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 137) else c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 138) depth--; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 139) next = tmp + 1; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 140) if (depth == 0) c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 141) break; c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 142) } c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 143) next = skip_spaces(next); c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 144) strcpy(attr, next); c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 145) } c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 146) } c4415fcf8cbdb4 Masami Hiramatsu (Google 2025-07-08 147) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
.config.gz
Description: application/gzip
reproduce (this is a W=1 build):
git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
git remote add trace
https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
git fetch trace for-next
git checkout trace/for-next
b4 shazam
https://lore.kernel.org/r/175197568917.977073.2201559708302320631.st...@mhiramat.tok.corp.google.com
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-8.5.0
~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-8.5.0
~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash
drivers/iio/imu/inv_icm42600/ fs/ kernel/trace/
