On Sat, Mar 17, 2018 at 12:03 PM, kbuild test robot <l...@intel.com> wrote: > Hi Joel, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on linus/master] > [also build test ERROR on v4.16-rc5 next-20180316] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system] > > url: > https://github.com/0day-ci/linux/commits/Joel-Fernandes/Improve-preemptirq-tracepoint-usage/20180317-155535 > config: arm-moxart_defconfig (attached as .config) > compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 > reproduce: > wget > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O > ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=arm > > All errors (new ones prefixed by >>): > > arch/arm/kernel/entry-common.o: In function `no_work_pending': >>> (.entry.text+0x64): undefined reference to `trace_hardirqs_on' > arch/arm/kernel/entry-common.o: In function `vector_swi': > (.entry.text+0xf8): undefined reference to `trace_hardirqs_on' > arch/arm/kernel/entry-armv.o: In function `__dabt_svc': >>> (.entry.text+0xa4): undefined reference to `trace_hardirqs_off' > (.entry.text+0xb8): undefined reference to `trace_hardirqs_on' > (.entry.text+0xc0): undefined reference to `trace_hardirqs_off' > arch/arm/kernel/entry-armv.o: In function `__irq_svc':
Fixed in the next rev. Sigh :-( Turns out kernel/trace/ wasn't being built at all because of a combination of CONFIG_PREEMPTIRQ_TRACEPOINTS=y but CONFIG_TRACING=n I think the next rev looks much better now and its getting there, but I have to thoroughly test it before posting it again.. thanks, - Joel