tree: https://github.com/jgunthorpe/linux iommufd head: 4d06b5807e799e0293171d872d8c1a40f3b466c5 commit: 7d982d8a3be5264edbd77796083193af431d8b3c [1/8] iommufd: File descriptor, context, kconfig and makefiles config: i386-buildonly-randconfig-r002-20211117 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/jgunthorpe/linux/commit/7d982d8a3be5264edbd77796083193... git remote add jgunthorpe https://github.com/jgunthorpe/linux git fetch --no-tags jgunthorpe iommufd git checkout 7d982d8a3be5264edbd77796083193af431d8b3c # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from <command-line>:32: 7 | #include <uapi/linux/ioctl.h> | ^~~~~~~~~~~~~~~~~~~~ compilation terminated. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org