Hi Jeremy, [auto build test ERROR on arm64/for-next/core] [also build test ERROR on v4.6-rc2 next-20160408] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Jeremy-Linton/arm-pmu-Fix-non-devicetree-probing/20160409-060104 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux for-next/core config: arm-multi_v5_defconfig (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 All error/warnings (new ones prefixed by >>): In file included from include/asm-generic/percpu.h:6:0, from arch/arm/include/asm/percpu.h:50, from include/linux/percpu.h:12, from include/linux/topology.h:34, from include/linux/gfp.h:8, from include/linux/slab.h:14, from include/linux/resource_ext.h:19, from include/linux/acpi.h:26, from drivers/perf/arm_pmu.c:14: drivers/perf/arm_pmu.c: In function 'probe_plat_pmu': >> include/linux/percpu-defs.h:250:31: warning: initialization from >> incompatible pointer type #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); }) ^ >> drivers/perf/arm_pmu.c:880:33: note: in expansion of macro 'per_cpu_ptr' struct cpuinfo_arm64 *cinfo = per_cpu_ptr(&cpu_data, cpu); ^ >> drivers/perf/arm_pmu.c:881:29: error: dereferencing pointer to incomplete >> type unsigned int cpuid = cinfo->reg_midr; ^ In file included from include/asm-generic/percpu.h:6:0, from arch/arm/include/asm/percpu.h:50, from include/linux/percpu.h:12, from include/linux/topology.h:34, from include/linux/gfp.h:8, from include/linux/slab.h:14, from include/linux/resource_ext.h:19, from include/linux/acpi.h:26, from drivers/perf/arm_pmu.c:14: drivers/perf/arm_pmu.c: In function 'arm_pmu_device_probe': >> include/linux/percpu-defs.h:250:31: warning: initialization from >> incompatible pointer type #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); }) ^ drivers/perf/arm_pmu.c:1030:34: note: in expansion of macro 'per_cpu_ptr' struct cpuinfo_arm64 *cinfo = per_cpu_ptr(&cpu_data, 0); ^ drivers/perf/arm_pmu.c:1031:30: error: dereferencing pointer to incomplete type unsigned int cpuid = cinfo->reg_midr; ^ vim +881 drivers/perf/arm_pmu.c 874 GFP_KERNEL); 875 if (!pmu->irq_affinity) 876 return -ENOMEM; 877 } 878 879 for_each_possible_cpu(cpu) { > 880 struct cpuinfo_arm64 *cinfo = per_cpu_ptr(&cpu_data, > cpu); > 881 unsigned int cpuid = cinfo->reg_midr; 882 883 if (cpuid == pmuid) { 884 cpumask_set_cpu(cpu, &pmu->supported_cpus); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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