On Thu, 3 Dec 2020 at 17:08, Will Deacon <will@xxxxxxxxxx> wrote: > > 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? > Thanks Will for fixing this, it looks good to me. -Sumit > 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