Hi Po, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20200622] [cannot apply to sparc-next/master linux/master linus/master ipvs/master v5.8-rc2 v5.8-rc1 v5.7 v5.8-rc2] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Po-Liu/net-qos-add-tc-police-offloading-action-with-max-frame-size-limit/20200623-153724 base: 27f11fea33608cbd321a97cbecfa2ef97dcc1821 config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): # 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 All errors (new ones prefixed by >>): ld: drivers/net/ethernet/freescale/enetc/enetc_qos.o: in function `enetc_flowmeter_hw_set': >> enetc_qos.c:(.text+0x66): undefined reference to `__udivdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org