Hi Michal, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf/master] [also build test ERROR on linus/master next-20210716] [cannot apply to bpf-next/master sparc-next/master v5.14-rc1] [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/Michal-Suchanek/libbpf-Remove-fr... base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master config: i386-randconfig-a001-20210718 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/2ea8ab79c2a463d1811eca90527b055e1... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Michal-Suchanek/libbpf-Remove-from-kernel-tree/20210718-145456 git checkout 2ea8ab79c2a463d1811eca90527b055e1763decd # 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 >>): 10 | #include <bpf/libbpf.h> | ^~~~~~~~~~~~~~ compilation terminated. vim +10 kernel/bpf/preload/iterators/iterators.c d71fa5c9763c24 Alexei Starovoitov 2020-08-18 @10 #include <bpf/libbpf.h> d71fa5c9763c24 Alexei Starovoitov 2020-08-18 11 #include <bpf/bpf.h> d71fa5c9763c24 Alexei Starovoitov 2020-08-18 12 #include <sys/mount.h> d71fa5c9763c24 Alexei Starovoitov 2020-08-18 13 #include "iterators.skel.h" d71fa5c9763c24 Alexei Starovoitov 2020-08-18 14 #include "bpf_preload_common.h" d71fa5c9763c24 Alexei Starovoitov 2020-08-18 15 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org