tree: https://github.com/alibaba/cloud-kernel.git linux-next head: e07b931e8ed58352ad4839243454571b6ce59222 commit: 2d58a0697b2fdf6c1ae1ba20ca614e64e143b363 [583/644] cpuidle: add poll_limit_ns to cpuidle_device structure config: mips-allnoconfig (attached as .config) compiler: mips-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 2d58a0697b2fdf6c1ae1ba20ca614e64e143b363 # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): mips-linux-ld: arch/mips/kernel/reset.o: in function `cpuidle_poll_time': mips-linux-ld: arch/mips/kernel/traps.o: in function `cpuidle_poll_time': traps.c:(.text+0x238): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/core.o: in function `cpuidle_poll_time': core.c:(.text+0x338): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/loadavg.o: in function `cpuidle_poll_time': loadavg.c:(.text+0x0): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/clock.o: in function `cpuidle_poll_time': clock.c:(.text+0x0): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/cputime.o: in function `cpuidle_poll_time': cputime.c:(.text+0x0): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/idle.o: in function `cpuidle_poll_time': idle.c:(.text+0xd8): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/fair.o: in function `cpuidle_poll_time': fair.c:(.text+0x1270): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/rt.o: in function `cpuidle_poll_time': rt.c:(.text+0xd68): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/deadline.o: in function `cpuidle_poll_time': deadline.c:(.text+0x1b64): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/wait.o: in function `cpuidle_poll_time': wait.c:(.text+0x2e0): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/wait_bit.o: in function `cpuidle_poll_time': wait_bit.c:(.text+0x90): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/swait.o: in function `cpuidle_poll_time': swait.c:(.text+0x40): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here mips-linux-ld: kernel/sched/completion.o: in function `cpuidle_poll_time': completion.c:(.text+0x0): multiple definition of `cpuidle_poll_time'; arch/mips/kernel/idle.o:idle.c:(.text+0x0): first defined here --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org