Hi Timur, I love your patch! Yet something to improve: [auto build test ERROR on kselftest/next] [also build test ERROR on linus/master hnaz-linux-mm/master v5.11-rc7 next-20210125] [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] url: https://github.com/0day-ci/linux/commits/Timur-Tabi/add-support-for-never-printing-hashed-addresses/20210210-131927 base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next config: h8300-randconfig-s031-20210209 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-215-g0fb77bb6-dirty # https://github.com/0day-ci/linux/commit/4387344bd9c51be401880f17c193e4956036c067 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Timur-Tabi/add-support-for-never-printing-hashed-addresses/20210210-131927 git checkout 4387344bd9c51be401880f17c193e4956036c067 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from lib/test_bitmap.c:17: lib/test_bitmap.c: In function 'test_bitmap_init': >> lib/../tools/testing/selftests/kselftest_module.h:45:48: error: 'skipped_tests' undeclared (first use in this function); did you mean 'failed_tests'? 45 | return kstm_report(total_tests, failed_tests, skipped_tests); \ | ^~~~~~~~~~~~~ lib/test_bitmap.c:637:1: note: in expansion of macro 'KSTM_MODULE_LOADERS' 637 | KSTM_MODULE_LOADERS(test_bitmap); | ^~~~~~~~~~~~~~~~~~~ lib/../tools/testing/selftests/kselftest_module.h:45:48: note: each undeclared identifier is reported only once for each function it appears in 45 | return kstm_report(total_tests, failed_tests, skipped_tests); \ | ^~~~~~~~~~~~~ lib/test_bitmap.c:637:1: note: in expansion of macro 'KSTM_MODULE_LOADERS' 637 | KSTM_MODULE_LOADERS(test_bitmap); | ^~~~~~~~~~~~~~~~~~~ lib/test_bitmap.c:637:1: error: control reaches end of non-void function [-Werror=return-type] 637 | KSTM_MODULE_LOADERS(test_bitmap); | ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +45 lib/../tools/testing/selftests/kselftest_module.h 39 40 #define KSTM_MODULE_LOADERS(__module) \ 41 static int __init __module##_init(void) \ 42 { \ 43 pr_info("loaded.\n"); \ 44 selftest(); \ > 45 return kstm_report(total_tests, failed_tests, skipped_tests); \ 46 } \ 47 static void __exit __module##_exit(void) \ 48 { \ 49 pr_info("unloaded.\n"); \ 50 } \ 51 module_init(__module##_init); \ 52 module_exit(__module##_exit) 53 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org