tree: https://github.com/linuxppc/linux next-test head: 5d12a44d97850aacfc86a4817ca304fc33876476 commit: 30c6666e0ee9a6b271157cbd1ec06d936d4493fa [13/41] powerpc/xive: Introduce xive_core_debugfs_create() config: powerpc64-alldefconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/linuxppc/linux/commit/30c6666e0ee9a6b271157cbd1ec06d93... git remote add linuxppc https://github.com/linuxppc/linux git fetch --no-tags linuxppc next-test git checkout 30c6666e0ee9a6b271157cbd1ec06d936d4493fa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/powerpc/sysdev/xive/common.c: In function 'xive_core_debug_init': 1796 | xive_core_debugfs_create(); | ^~~~~~~~~~~~~~~~~~~~~~~~ | xive_core_debug_init cc1: all warnings being treated as errors vim +1796 arch/powerpc/sysdev/xive/common.c 1792 1793 int xive_core_debug_init(void) 1794 { 1795 if (xive_enabled() && IS_ENABLED(CONFIG_DEBUG_FS)) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org