tree: https://github.com/zen-kernel/zen-kernel 5.13/futex2 head: db649ce1f5de12432be5bfedd8388eacc2f85efc commit: f12c1f14276bce0f66e514b419e68506fb5bad55 [1/19] futex2: Implement wait and wake functions config: sparc64-randconfig-r034-20210718 (attached as .config) compiler: sparc64-linux-gcc (GCC) 10.3.0 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/f12c1f14276bce0f66e514b41... 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 f12c1f14276bce0f66e514b419e68506fb5bad55 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=sparc64 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 >>): 470 | COMPAT_SYSCALL_DEFINE4(compat_futex_wait, void __user *, uaddr, compat_u64, val, | ^~~~~ | ) vim +470 kernel/futex2.c 468 469 #ifdef CONFIG_COMPAT 471 unsigned int, flags, 472 struct __kernel_timespec __user *, timo) 473 { 474 return ksys_futex_wait(uaddr, val, flags, timo); 475 } 476 #endif 477 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org