tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c7d102232649226a69dddd58a4942cf13cff4f7c commit: 06c16d89d2cbe284c2792caa7648c052c1b91042 ice: register 1588 PTP clock device object for E810 devices date: 7 weeks ago config: arc-randconfig-r022-20210731 (attached as .config) compiler: arc-elf-gcc (GCC) 10.3.0 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=06c16d89d2cbe284c2792caa7648c052c1b91042 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 06c16d89d2cbe284c2792caa7648c052c1b91042 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks': stackdepot.c:(.text+0x6): undefined reference to `__irqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x6): undefined reference to `__irqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x26): undefined reference to `__irqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x26): undefined reference to `__irqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x2e): undefined reference to `__softirqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x2e): undefined reference to `__softirqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x36): undefined reference to `__softirqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x36): undefined reference to `__softirqentry_text_end' arc-elf-ld: drivers/net/ethernet/intel/ice/ice_main.o: in function `ice_prepare_for_reset': >> ice_main.c:(.text+0x1a9e): undefined reference to `ice_ptp_release' >> arc-elf-ld: ice_main.c:(.text+0x1a9e): undefined reference to `ice_ptp_release' arc-elf-ld: drivers/net/ethernet/intel/ice/ice_main.o: in function `ice_remove': ice_main.c:(.text+0x2dfc): undefined reference to `ice_ptp_release' arc-elf-ld: ice_main.c:(.text+0x2dfc): undefined reference to `ice_ptp_release' arc-elf-ld: drivers/net/ethernet/intel/ice/ice_main.o: in function `ice_rebuild': >> ice_main.c:(.text+0x348a): undefined reference to `ice_ptp_init' >> arc-elf-ld: ice_main.c:(.text+0x348a): undefined reference to `ice_ptp_init' arc-elf-ld: drivers/net/ethernet/intel/ice/ice_main.o: in function `ice_probe': ice_main.c:(.text+0x8cfa): undefined reference to `ice_ptp_init' arc-elf-ld: ice_main.c:(.text+0x8cfa): undefined reference to `ice_ptp_init' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org