Hi Andrew, It's probably a bug fix that unveils the link errors. tree: https://github.com/hnaz/linux-mm master head: a5cc37b1c84e9e7041328cc962d0eeb745b5a794 commit: 0f8b12c9b41ae1fdef4a24a61c0317741bd79256 [379/435] linux-next-git-rejects config: powerpc-defconfig (attached as .config) compiler: powerpc64-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 0f8b12c9b41ae1fdef4a24a61c0317741bd79256 # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash' powerpc64-linux-ld: arch/powerpc/platforms/powermac/setup.o: in function `.pmac_power_off': setup.c:(.text+0x6c): undefined reference to `.pmu_shutdown' powerpc64-linux-ld: arch/powerpc/platforms/powermac/setup.o: in function `.pmac_restart': setup.c:(.text+0xdc): undefined reference to `.pmu_restart' powerpc64-linux-ld: arch/powerpc/platforms/powermac/setup.o: in function `.pmac_setup_arch': setup.c:(.init.text+0x428): undefined reference to `.find_via_pmu' powerpc64-linux-ld: arch/powerpc/platforms/powermac/time.o: in function `.pmac_get_boot_time': time.c:(.text+0x90): undefined reference to `.pmu_get_time' powerpc64-linux-ld: arch/powerpc/platforms/powermac/time.o: in function `.pmac_get_rtc_time': time.c:(.text+0x120): undefined reference to `.pmu_get_time' powerpc64-linux-ld: arch/powerpc/platforms/powermac/time.o: in function `.pmac_set_rtc_time': time.c:(.text+0x1b4): undefined reference to `.pmu_set_rtc_time' powerpc64-linux-ld: arch/powerpc/platforms/powermac/low_i2c.o: in function `.pmu_i2c_xfer': low_i2c.c:(.text+0xf04): undefined reference to `.pmu_queue_request' powerpc64-linux-ld: low_i2c.c:(.text+0xfc0): undefined reference to `.pmu_queue_request' powerpc64-linux-ld: arch/powerpc/platforms/powermac/low_i2c.o: in function `.pmac_i2c_init': low_i2c.c:(.init.text+0x720): undefined reference to `.pmu_present' powerpc64-linux-ld: arch/powerpc/platforms/powermac/udbg_adb.o: in function `.udbg_adb_getc_poll': udbg_adb.c:(.text+0xe0): undefined reference to `.pmu_poll_adb' powerpc64-linux-ld: arch/powerpc/platforms/powermac/udbg_adb.o: in function `.udbg_adb_getc': udbg_adb.c:(.text+0x254): undefined reference to `.pmu_poll_adb' powerpc64-linux-ld: arch/powerpc/platforms/powermac/udbg_adb.o: in function `.udbg_adb_init': udbg_adb.c:(.init.text+0x208): undefined reference to `.find_via_pmu' powerpc64-linux-ld: drivers/macintosh/via-pmu-event.o: in function `.via_pmu_event_init': >> via-pmu-event.c:(.init.text+0x20): undefined reference to `.pmu_get_model' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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