Hi Anjali, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Anjali-Kulkarni/connector-cn_proc-Handle-threads-for-proc-connector/20240920-081249 base: net-next/main patch link: https://lore.kernel.org/r/20240920000933.185090-3-anjali.k.kulkarni%40oracle.com patch subject: [PATCH net-next 2/2] connector/cn_proc: Selftest for threads case :::::: branch date: 2 days ago :::::: commit date: 2 days ago compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240921/202409212201.l94GHFkW-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/r/202409212201.l94GHFkW-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from ../../../../include/uapi/linux/netlink.h:7, from proc_filter.c:11: >> ../../../../include/uapi/linux/types.h:10:2: warning: #warning "Attempt to use kernel headers from user space, see https://kernelnewbies.org/KernelHeaders" [-Wcpp] 10 | #warning "Attempt to use kernel headers from user space, see https://kernelnewbies.org/KernelHeaders" | ^~~~~~~ -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki