Hi Zhangfei, Thank you for the patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [cannot apply to v5.4-rc3 next-20191014] [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/Zhangfei-Gao/Add-uacce-module-fo... config: x86_64-randconfig-b002-201941 (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from <command-line>:0:0: __u16 id; ^~~~~ include/uapi/misc/uacce/qm.h:7:2: error: unknown type name '__u16' __u16 qc_type; ^~~~~ vim +/__u16 +6 include/uapi/misc/uacce/qm.h 4 5 struct hisi_qp_ctx { 7 __u16 qc_type; 8 }; 9 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation