tree: https://github.com/c-sky/csky-linux riscv_compat_v6_svpbmt-v6 head: 54acb36c958fc990cc59889f79c8ddca7386c295 commit: bac41a3372f9586652716665df9da6c4059b9309 [12/35] riscv: add RISC-V Svpbmt extension support config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20220211/202202110359.05keld0L-lk...) compiler: riscv64-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/c-sky/csky-linux/commit/bac41a3372f9586652716665df9da6... git remote add csky-linux https://github.com/c-sky/csky-linux git fetch --no-tags csky-linux riscv_compat_v6_svpbmt-v6 git checkout bac41a3372f9586652716665df9da6c4059b9309 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): The function riscv_cpufeature_patch_func() references the function __init cpufeature_probe(). This is often because riscv_cpufeature_patch_func lacks a __init annotation or the annotation of cpufeature_probe is wrong. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org