tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git acpi head: 91463ebff32d3e6fc71134784ae6aa91402bfe3d commit: 8cdddd182bd7befae6af49c5fd612893f55d6ccb [1/2] ACPI: processor: Fix CPU0 wakeup in acpi_idle_play_dead() config: x86_64-randconfig-r016-20210401 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?id=8cdddd182bd7befae6af49c5fd612893f55d6ccb git remote add pm https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git git fetch --no-tags pm acpi git checkout 8cdddd182bd7befae6af49c5fd612893f55d6ccb # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "wakeup_cpu0" [drivers/acpi/processor.ko] undefined! >> ERROR: modpost: "start_cpu0" [drivers/acpi/processor.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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