tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   debe436e77c72fcee804fb867f275e6d31aa999c
commit: 039c0ec9bb77446d7ada7f55f90af9299b28ca49 futex,x86: Wire up sys_futex_waitv()
date:   5 weeks ago
config: microblaze-randconfig-r002-20211008 (attached as .config)
compiler: microblaze-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=039c0ec9bb77446d7ada7f55f90af9299b28ca49
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 039c0ec9bb77446d7ada7f55f90af9299b28ca49
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=microblaze 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> <stdin>:1557:2: warning: #warning syscall futex_waitv not implemented [-Wcpp]
--
>> <stdin>:1557:2: warning: #warning syscall futex_waitv not implemented [-Wcpp]

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org