Hi Peter,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/sched/core]
[also build test ERROR on hnaz-mm/master]
[cannot apply to tip/master tip/x86/core arnd-asm-generic/master linus/master tip/x86/asm tip/core/entry v5.15-rc5 next-20211013]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Peter-Oskolkov/sched-mm-x86-uaccess-implement-User-Managed-Concurrency-Groups/20211013-072710
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git b2d5b9cec60fecc72a13191c2c6c05acf60975a5
config: x86_64-randconfig-a012-20211012 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project adf55ac6657693f7bfbe3087b599b4031a765a44)
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/0day-ci/linux/commit/0dcffc800cf354f683ff5c495baa0070dfb60afb
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Peter-Oskolkov/sched-mm-x86-uaccess-implement-User-Managed-Concurrency-Groups/20211013-072710
        git checkout 0dcffc800cf354f683ff5c495baa0070dfb60afb
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   In file included from <built-in>:1:
>> ./usr/include/linux/umcg.h:80:2: error: unknown type name 'uint64_t'
           uint64_t        state_ts;               /* r/w */
           ^
>> ./usr/include/linux/umcg.h:91:2: error: unknown type name 'uint32_t'
           uint32_t        next_tid;               /* r   */
           ^
   ./usr/include/linux/umcg.h:93:2: error: unknown type name 'uint32_t'
           uint32_t        flags;                  /* Reserved; must be zero. */
           ^
   ./usr/include/linux/umcg.h:101:2: error: unknown type name 'uint64_t'
           uint64_t        idle_workers_ptr;       /* r/w */
           ^
   ./usr/include/linux/umcg.h:107:2: error: unknown type name 'uint64_t'
           uint64_t        idle_server_tid_ptr;    /* r   */
           ^
   5 errors generated.

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