On Thu, Dec 03, 2020 at 03:13:11PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 0eedceafd3a63fd082743c914853ef4b9247dbe6 > commit: 367c820ef08082e68df8a3bc12e62393af21e4b5 [7808/9562] arm64: Enable perf events based hard lockup detector > config: arm64-randconfig-r023-20201203 (attached as .config) > compiler: aarch64-linux-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/next/linux-next.git/commit/?id=367c820ef08082e68df8a3bc12e62393af21e4b5 > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 367c820ef08082e68df8a3bc12e62393af21e4b5 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > aarch64-linux-ld: Unexpected GOT/PLT entries detected! > aarch64-linux-ld: Unexpected run-time procedure linkages detected! > aarch64-linux-ld: kernel/watchdog_hld.o: in function `hardlockup_detector_event_create': > >> watchdog_hld.c:(.text+0x68): undefined reference to `hw_nmi_get_sample_period' Looks like the Kconfig dependencies aren't quite right here. Sumit -- what do you think about the fix below? Will --->8 diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 7d3440770b14..fe0d30a749b6 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -170,7 +170,7 @@ config ARM64 select HAVE_NMI select HAVE_PATA_PLATFORM select HAVE_PERF_EVENTS - select HAVE_PERF_EVENTS_NMI if ARM64_PSEUDO_NMI + select HAVE_PERF_EVENTS_NMI if ARM64_PSEUDO_NMI && HW_PERF_EVENTS select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP