Hi Colton,
kernel test robot noticed the following build errors:
[auto build test ERROR on ac3fd01e4c1efce8f2c054cdeb2ddd2fc0fb150d]
url: https://github.com/intel-lab-lkp/linux/commits/Colton-Lewis/arm64-cpufeature... base: ac3fd01e4c1efce8f2c054cdeb2ddd2fc0fb150d patch link: https://lore.kernel.org/r/20251209205121.1871534-12-coltonlewis%40google.com patch subject: [PATCH v5 11/24] KVM: arm64: Writethrough trapped PMEVTYPER register config: arm64-randconfig-001-20251210 (https://download.01.org/0day-ci/archive/20251211/202512110209.GjVZa9ti-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512110209.GjVZa9ti-lkp@i...)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202512110209.GjVZa9ti-lkp@intel.com/
All errors (new ones prefixed by >>):
arch/arm64/kvm/sys_regs.c: In function 'writethrough_pmevtyper':
arch/arm64/kvm/sys_regs.c:1183:34: error: implicit declaration of function 'kvm_pmu_event_mask'; did you mean 'kvm_pmu_evtyper_mask'? [-Wimplicit-function-declaration]
1183 | eventsel = val & kvm_pmu_event_mask(vcpu->kvm); | ^~~~~~~~~~~~~~~~~~ | kvm_pmu_evtyper_mask
vim +1183 arch/arm64/kvm/sys_regs.c
1168 1169 static bool writethrough_pmevtyper(struct kvm_vcpu *vcpu, struct sys_reg_params *p, 1170 u64 reg, u64 idx) 1171 { 1172 u64 eventsel; 1173 u64 val = p->regval; 1174 u64 evtyper_set = ARMV8_PMU_EXCLUDE_EL0 | 1175 ARMV8_PMU_EXCLUDE_EL1; 1176 u64 evtyper_clr = ARMV8_PMU_INCLUDE_EL2; 1177 1178 __vcpu_assign_sys_reg(vcpu, reg, val); 1179 1180 if (idx == ARMV8_PMU_CYCLE_IDX) 1181 eventsel = ARMV8_PMUV3_PERFCTR_CPU_CYCLES; 1182 else
1183 eventsel = val & kvm_pmu_event_mask(vcpu->kvm);
1184 1185 if (vcpu->kvm->arch.pmu_filter && 1186 !test_bit(eventsel, vcpu->kvm->arch.pmu_filter)) 1187 val |= evtyper_set; 1188 1189 val &= ~evtyper_clr; 1190 1191 if (idx == ARMV8_PMU_CYCLE_IDX) 1192 write_pmccfiltr(val); 1193 else 1194 write_pmevtypern(idx, val); 1195 1196 return true; 1197 } 1198