[kbuild-all] [zen-kernel-zen-kernel:5.11/intel-ethernet-devel 1/2] ixgbe_ptp.c:undefined reference to `__aeabi_uldivmod'

tree: https://github.com/zen-kernel/zen-kernel 5.11/intel-ethernet-devel head: db5fef7ab01e69206b211f02d46d9314f38f1819 commit: 306276d5e2de86533e16eed80f8ee3678aa9265c [1/2] ZEN: ixgbe: Add Intel out-of-tree IXGBE module for 5.11.3 config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-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/306276d5e2de86533e16eed80... git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel git fetch --no-tags zen-kernel-zen-kernel 5.11/intel-ethernet-devel git checkout 306276d5e2de86533e16eed80f8ee3678aa9265c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.o: in function `ixgbe_ptp_setup_sdp_X550': -- In file included from drivers/net/ethernet/intel/ixgbe/ixgbe_type.h:45, from drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c:4: 30 | #define IOMEM __iomem | In file included from include/linux/io.h:13, from include/linux/irq.h:20, from include/asm-generic/hardirq.h:17, from arch/arm/include/asm/hardirq.h:10, from include/linux/hardirq.h:10, from include/linux/interrupt.h:11, from include/linux/pci.h:38, from drivers/net/ethernet/intel/ixgbe/ixgbe_osdep.h:12, from drivers/net/ethernet/intel/ixgbe/ixgbe_type.h:45, from drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c:4: arch/arm/include/asm/io.h:160: note: this is the location of the previous definition 160 | #define IOMEM(x) ((void __force __iomem *)(x)) | --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org