Hi Łukasz, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v6.6 next-20231103] [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/ukasz-Bartosik/dyndbg-add-_DPRINTK_FLAGS_ENABLED/20231103-212105 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20231103131011.1316396-11-lb%40semihalf.com patch subject: [PATCH v1 10/12] dyndbg: add processing of T(race) flag argument config: i386-randconfig-063-20231104 (https://download.01.org/0day-ci/archive/20231104/202311041243.SboyHnXN-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231104/202311041243.SboyHnXN-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311041243.SboyHnXN-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> lib/dynamic_debug.c:157:6: sparse: sparse: symbol 'show_T_args' was not declared. Should it be static? -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki