tree: https://github.com/jcmvbkbc/linux-xtensa xtensa-5.5-audit-seccomp head: ea6ef94954ec512776546cf615c2aeb370856b47 commit: f7956260022861d825c910cfafd2a6378d018443 [29/33] xtensa: clean up system_call/xtensa_rt_sigreturn interaction config: xtensa-common_defconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout f7956260022861d825c910cfafd2a6378d018443 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): __SYSCALL(225, xtensa_rt_sigreturn, ) ^ arch/xtensa/kernel/syscall.c:34:54: note: in definition of macro '__SYSCALL' #define __SYSCALL(nr, entry, nargs)[nr] = (syscall_t)entry, ^~~~~ --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation