tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cba5e97280f53ec7feb656fcdf0ec00a5c6dd539
commit: 87f77a6797971579a1da497ac01b692bafbc6cca net/mlx5e: fix mlx5e_tc_tun_update_header_ipv6 dummy definition
date:   3 months ago
config: arm-randconfig-r005-20210620 (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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=87f77a6797971579a1da497ac01b692bafbc6cca
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 87f77a6797971579a1da497ac01b692bafbc6cca
        # 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@intel.com>

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: arch/arm/mach-dove/pcie.o: in function `dove_pcie_setup':
>> pcie.c:(.init.text+0xc0): undefined reference to `pci_ioremap_io'
>> arm-linux-gnueabi-ld: pcie.c:(.init.text+0xcc): undefined reference to `pci_ioremap_io'
   arm-linux-gnueabi-ld: fs/btrfs/super.o: in function `btrfs_statfs':
   super.c:(.text+0xa96): undefined reference to `__aeabi_uldivmod'
   arm-linux-gnueabi-ld: super.c:(.text+0xac2): undefined reference to `__aeabi_uldivmod'
   arm-linux-gnueabi-ld: super.c:(.text+0xafe): undefined reference to `__aeabi_uldivmod'
   arm-linux-gnueabi-ld: super.c:(.text+0xb8e): undefined reference to `__aeabi_uldivmod'
   arm-linux-gnueabi-ld: super.c:(.text+0xba2): undefined reference to `__aeabi_uldivmod'
   arm-linux-gnueabi-ld: fs/btrfs/super.o:super.c:(.text+0xbba): more undefined references to `__aeabi_uldivmod' follow

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org