[kbuild-all] [zen-kernel-zen-kernel:5.11/bbr2 14/30] tcp_bbr.c:undefined reference to `__udivdi3'

tree: https://github.com/zen-kernel/zen-kernel 5.11/bbr2 head: 5ded94b0a37ea404ce97aa284b7c8dbfcc39d788 commit: 35d326afdf4fb797b252bc2d01407df0f1f05cdc [14/30] net-tcp: re-generalize TSO sizing in TCP CC module API config: h8300-randconfig-r005-20210217 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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/zen-kernel/zen-kernel/commit/35d326afdf4fb797b252bc2d0... git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel git fetch --no-tags zen-kernel-zen-kernel 5.11/bbr2 git checkout 35d326afdf4fb797b252bc2d01407df0f1f05cdc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 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 >>): h8300-linux-ld: net/ipv4/tcp_bbr.o: in function `.L11': h8300-linux-ld: net/ipv4/tcp_bbr.o: in function `.L18': tcp_bbr.c:(.text+0x14b): undefined reference to `__udivdi3' h8300-linux-ld: net/ipv4/tcp_bbr.o: in function `.L70': tcp_bbr.c:(.text+0x9c3): undefined reference to `__udivdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org