Hi Peter, Thank you for the patch! Yet something to improve: [auto build test ERROR on cb0e52b7748737b2cf6481fdd9b920ce7e1ebbdf] url: https://github.com/0day-ci/linux/commits/Peter-Oskolkov/sched-mm-x86-uaccess-implement-User-Managed-Concurrency-Groups/20211122-052209 base: cb0e52b7748737b2cf6481fdd9b920ce7e1ebbdf config: x86_64-randconfig-r035-20211121 (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/e455791cacec2b140558a717d2b8b07f5561a251 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/20211122-052209 git checkout e455791cacec2b140558a717d2b8b07f5561a251 # 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 <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from <command-line>:32: >> ./usr/include/linux/umcg.h:80:2: error: unknown type name 'u64' 80 | u64 state_ts; /* r/w */ | ^~~ >> ./usr/include/linux/umcg.h:91:2: error: unknown type name 'u32' 91 | u32 next_tid; /* r */ | ^~~ ./usr/include/linux/umcg.h:93:2: error: unknown type name 'u32' 93 | u32 flags; /* Reserved; must be zero. */ | ^~~ ./usr/include/linux/umcg.h:101:2: error: unknown type name 'u64' 101 | u64 idle_workers_ptr; /* r/w */ | ^~~ ./usr/include/linux/umcg.h:107:2: error: unknown type name 'u64' 107 | u64 idle_server_tid_ptr; /* r */ | ^~~ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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