tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: de5540965853e514a85d3b775e9049deb85a2ff3 commit: 788691464c29455346dc613a3b43c2fb9e5757a4 mm/slub: use stackdepot to save stack trace in objects date: 3 days ago config: arc-randconfig-r004-20210711 (attached as .config) compiler: arc-elf-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=788691464c29455346dc613a3b43c2fb9e5757a4 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 788691464c29455346dc613a3b43c2fb9e5757a4 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 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 <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks': >> stackdepot.c:(.text+0x5a): undefined reference to `__irqentry_text_start' >> arc-elf-ld: stackdepot.c:(.text+0x5a): undefined reference to `__irqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x62): undefined reference to `__irqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x62): undefined reference to `__irqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x6a): undefined reference to `__softirqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x6a): undefined reference to `__softirqentry_text_start' arc-elf-ld: stackdepot.c:(.text+0x72): undefined reference to `__softirqentry_text_end' arc-elf-ld: stackdepot.c:(.text+0x72): undefined reference to `__softirqentry_text_end' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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