Hi Jeffle, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on fuse/for-next] [also build test ERROR on v5.14-rc1 next-20210715] [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/Jeffle-Xu/virtiofs-fuse-support-... base: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git for-next config: arm64-randconfig-c003-20210715 (attached as .config) compiler: aarch64-linux-gcc (GCC) 10.3.0 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 # https://github.com/0day-ci/linux/commit/0e8ed9f530357cba01ae4bcaf4284a2da... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jeffle-Xu/virtiofs-fuse-support-per-file-DAX/20210715-173102 git checkout 0e8ed9f530357cba01ae4bcaf4284a2da59aef62 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm64 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 >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org