Hi Wei, [auto build test ERROR on tip/perf/core] [also build test ERROR on v4.9-rc4 next-20161109] [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/Wei-Huang/arm64-perf-Move-ARMv8-PMU-perf-event-definitions-to-asm-perf_event-h/20161110-040107 config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 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=arm64 Note: the linux-review/Wei-Huang/arm64-perf-Move-ARMv8-PMU-perf-event-definitions-to-asm-perf_event-h/20161110-040107 HEAD 72ad64c0d8d13a655312ace104d723c9dd7dc5b0 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): arch/arm64/kvm/../../../virt/kvm/arm/pmu.c: In function 'kvm_pmu_software_increment': >> arch/arm64/kvm/../../../virt/kvm/arm/pmu.c:308:16: error: 'ARMV8_PMU_EVTYPE_EVENT_SW_INCR' undeclared (first use in this function) if ((type == ARMV8_PMU_EVTYPE_EVENT_SW_INCR) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/arm/pmu.c:308:16: note: each undeclared identifier is reported only once for each function it appears in arch/arm64/kvm/../../../virt/kvm/arm/pmu.c: In function 'kvm_pmu_set_counter_event_type': arch/arm64/kvm/../../../virt/kvm/arm/pmu.c:382:18: error: 'ARMV8_PMU_EVTYPE_EVENT_SW_INCR' undeclared (first use in this function) if (eventsel == ARMV8_PMU_EVTYPE_EVENT_SW_INCR) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/ARMV8_PMU_EVTYPE_EVENT_SW_INCR +308 arch/arm64/kvm/../../../virt/kvm/arm/pmu.c 7a0adc70 Shannon Zhao 2015-09-08 302 enable = vcpu_sys_reg(vcpu, PMCNTENSET_EL0); 7a0adc70 Shannon Zhao 2015-09-08 303 for (i = 0; i < ARMV8_PMU_CYCLE_IDX; i++) { 7a0adc70 Shannon Zhao 2015-09-08 304 if (!(val & BIT(i))) 7a0adc70 Shannon Zhao 2015-09-08 305 continue; 7a0adc70 Shannon Zhao 2015-09-08 306 type = vcpu_sys_reg(vcpu, PMEVTYPER0_EL0 + i) 7a0adc70 Shannon Zhao 2015-09-08 307 & ARMV8_PMU_EVTYPE_EVENT; 7a0adc70 Shannon Zhao 2015-09-08 @308 if ((type == ARMV8_PMU_EVTYPE_EVENT_SW_INCR) 7a0adc70 Shannon Zhao 2015-09-08 309 && (enable & BIT(i))) { 7a0adc70 Shannon Zhao 2015-09-08 310 reg = vcpu_sys_reg(vcpu, PMEVCNTR0_EL0 + i) + 1; 7a0adc70 Shannon Zhao 2015-09-08 311 reg = lower_32_bits(reg); :::::: The code at line 308 was first introduced by commit :::::: 7a0adc7064b88609e2917446af8789fac1d4fdd1 arm64: KVM: Add access handler for PMSWINC register :::::: TO: Shannon Zhao <shannon.zhao@xxxxxxxxxx> :::::: CC: Marc Zyngier <marc.zyngier@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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