Hi Guangbin, I love your patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Guangbin-Huang/net-hns3-updates-for-next/20220905-162120 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 9837ec955b46b62d1dd2d00311461a950c50a791 config: arm64-defconfig compiler: aarch64-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/85cb1339e830bfa3a749b6ffdbdfbf40aa5b3077 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Guangbin-Huang/net-hns3-updates-for-next/20220905-162120 git checkout 85cb1339e830bfa3a749b6ffdbdfbf40aa5b3077 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): >> aarch64-linux-ld: drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.o:(.rodata+0x860): undefined reference to `hclge_get_dscp_prio' -- 0-DAY CI Kernel Test Service https://01.org/lkp