Hi Xie, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on linus/master] [also build test ERROR on hnaz-linux-mm/master v5.9 next-20201016] [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/Xie-Yongji/Introduce-VDUSE-vDPA-... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 7cf726a59435301046250c42131554d9ccc566b8 config: i386-randconfig-a005-20201019 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/193f0241dc103ca80a1f8b9003ee22898... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Xie-Yongji/Introduce-VDUSE-vDPA-Device-in-Userspace/20201019-225816 git checkout 193f0241dc103ca80a1f8b9003ee22898930cf2f # save the attached .config to linux build tree make W=1 ARCH=i386 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 >>): make[2]: *** [scripts/Makefile.headersinst:63: usr/include/linux/vduse.h] Error 1 make[2]: Target '__headers' not remade because of errors. make[1]: *** [Makefile:1279: 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