Hi Mathieu, [auto build test ERROR on: tip/perf/core] [also build test ERROR on: v4.4-rc3 next-20151127] url: https://github.com/0day-ci/linux/commits/Mathieu-Poirier/Coresight-integration-with-perf/20151130-102706 config: arm-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm Note: the linux-review/Mathieu-Poirier/Coresight-integration-with-perf/20151130-102706 HEAD c898ed8b47ed7662cd702f15ed57c520a826fbfb builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): In file included from arch/arm/include/asm/bug.h:62:0, from arch/arm/include/asm/div64.h:63, from include/linux/kernel.h:136, from drivers/hwtracing/coresight/coresight-etm3x.c:13: drivers/hwtracing/coresight/coresight-etm3x.c: In function 'etm_disable_hw': >> drivers/hwtracing/coresight/coresight-etm3x.c:387:20: error: 'config' undeclared (first use in this function) if (WARN_ON_ONCE(!config)) ^ include/asm-generic/bug.h:111:27: note: in definition of macro 'WARN_ON_ONCE' int __ret_warn_once = !!(condition); \ ^ drivers/hwtracing/coresight/coresight-etm3x.c:387:20: note: each undeclared identifier is reported only once for each function it appears in if (WARN_ON_ONCE(!config)) ^ include/asm-generic/bug.h:111:27: note: in definition of macro 'WARN_ON_ONCE' int __ret_warn_once = !!(condition); \ ^ vim +/config +387 drivers/hwtracing/coresight/coresight-etm3x.c 381 382 static void etm_disable_hw(void *info) 383 { 384 int i; 385 struct etm_drvdata *drvdata = info; 386 > 387 if (WARN_ON_ONCE(!config)) 388 return; 389 390 CS_UNLOCK(drvdata->base); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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