Hi Xuan, kernel test robot noticed the following build errors: [auto build test ERROR on mst-vhost/linux-next] [also build test ERROR on linus/master v6.7-rc6 next-20231222] [cannot apply to net-next/main horms-ipvs/master] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Xuan-Zhuo/virtio_net-introduce-device-stats-feature-and-structures/20231222-175505 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next patch link: https://lore.kernel.org/r/20231222033021.20649-2-xuanzhuo%40linux.alibaba.com patch subject: [PATCH net-next 1/6] virtio_net: introduce device stats feature and structures config: x86_64-buildonly-randconfig-002-20231223 (https://download.01.org/0day-ci/archive/20231224/202312240125.00z3nxGY-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231224/202312240125.00z3nxGY-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/oe-kbuild-all/202312240125.00z3nxGY-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from <built-in>:1: >> ./usr/include/linux/virtio_net.h:454:2: error: unknown type name 'u8' u8 type; ^ ./usr/include/linux/virtio_net.h:455:2: error: unknown type name 'u8' u8 reserved; ^ 2 errors generated. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki