Hi "Diego, Thank you for the patch! Yet something to improve: [auto build test ERROR on usb/usb-testing] [also build test ERROR on v5.8-rc4 next-20200703] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Diego-Elio-Petten/usbmon-expose-the-usbmon-structures-and-constants-as-an-UAPI-header/20200705-230320 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: powerpc-randconfig-r026-20200706 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project a378c0449507e00e96534ff9ce9034e185425182) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> error: include/uapi/linux/usb/mon.h: leak CONFIG_COMPAT to user-space make[2]: *** [scripts/Makefile.headersinst:63: usr/include/linux/usb/mon.h] Error 1 make[2]: Target '__headers' not remade because of errors. make[1]: *** [Makefile:1258: headers] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:185: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org