kernel test robot <lkp@xxxxxxxxx> writes: > 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! > This happens when we have CONFIG_ACPI_PROCESSOR=m as wakeup_cpu0()/start_cpu0() are not exported, sorry about the breakage :-( I'll be sending a patch to fix things up shortly. -- Vitaly
