tree: https://github.com/zen-kernel/zen-kernel 5.13/futex2 head: 67f7da92d1cb45a815c7046f8719942a728216d0 commit: fc4c194e2484d95c994096d0aa0576d02cba7fe7 [1/5] futex2: Implement wait and wake functions config: powerpc64-buildonly-randconfig-r003-20210709 (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://github.com/zen-kernel/zen-kernel/commit/fc4c194e2484d95c994096d0a... git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel git fetch --no-tags zen-kernel-zen-kernel 5.13/futex2 git checkout fc4c194e2484d95c994096d0aa0576d02cba7fe7 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=powerpc 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 errors (new ones prefixed by >>): 59 | COMPAT_SYSCALL_DEFINE4(compat_futex_wait, void __user *, uaddr, compat_u64, val, | ^~~~~ | ) vim +59 kernel/futex2.c 57 58 #ifdef CONFIG_COMPAT 60 unsigned int, flags, 61 struct __kernel_timespec __user *, timo) 62 { 63 return ksys_futex_wait(uaddr, val, flags, timo); 64 } 65 #endif 66 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org