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-r003-20211012 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # 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
        make 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 <redacted>

All errors (new ones prefixed by >>):

   In file included from <command-line>:32:

quoted

./usr/include/linux/umcg.h:80:2: error: unknown type name 'uint64_t'

      80 |  uint64_t state_ts;  /* r/w */
         |  ^~~~~~~~

quoted

./usr/include/linux/umcg.h:91:2: error: unknown type name 'uint32_t'

      91 |  uint32_t next_tid;  /* r   */
         |  ^~~~~~~~
   ./usr/include/linux/umcg.h:93:2: error: unknown type name 'uint32_t'
      93 |  uint32_t flags;   /* Reserved; must be zero. */
         |  ^~~~~~~~
   ./usr/include/linux/umcg.h:101:2: error: unknown type name 'uint64_t'
     101 |  uint64_t idle_workers_ptr; /* r/w */
         |  ^~~~~~~~
   ./usr/include/linux/umcg.h:107:2: error: unknown type name 'uint64_t'
     107 |  uint64_t idle_server_tid_ptr; /* r   */
         |  ^~~~~~~~

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