tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test head: 103bf32b0d2dd8b8a4d3d9ebdded5ba4e8263e6a commit: 9d1e5f27172b011ed4d07c92c304fa60caef03ff [116/124] powerpc/64: allow alternate return locations for soft-masked interrupts config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/... git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git git fetch --no-tags powerpc next-test git checkout 9d1e5f27172b011ed4d07c92c304fa60caef03ff # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 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 warnings (new ones prefixed by >>): 13 | unsigned long search_kernel_restart_table(unsigned long addr) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/search_kernel_restart_table +13 arch/powerpc/lib/restart_table.c 11 12 /* Given an address, look for it in the kernel exception table */ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org