Hi Guennadi, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on vhost/linux-next] [also build test ERROR on v5.7-rc5 next-20200515] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Guennadi-Liakhovetski/vhost-add-... base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): 19 | #include <linux/virtio_rpmsg.h> | ^~~~~~~~~~~~~~~~~~~~~~ compilation terminated. vim +19 drivers/vhost/adsp.c 20 #include <uapi/linux/rpmsg.h> 21 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org