Hi Pavel, [auto build test ERROR on kvm/linux-next] [also build test ERROR on v4.4-rc2 next-20151124]
url: https://github.com/0day-ci/linux/commits/Pavel-Fedin/KVM-arm64-Implement-API-for-vGICv3-live-migration/20151124-171812 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: arm64-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=arm64 Note: the linux-review/Pavel-Fedin/KVM-arm64-Implement-API-for-vGICv3-live-migration/20151124-171812 HEAD 03ad7de97d6a551c4a70e7723383007f54bf56a3 builds fine. It only hurts bisectibility. All error/warnings (new ones prefixed by >>): arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c: In function 'vgic_v3_has_attr': >> arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:1114:24: error: storage >> size of 'params' isn't known struct sys_reg_params params; ^ >> arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:1134:7: error: >> 'KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS' undeclared (first use in this function) case KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS: ^ arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:1134:7: note: each undeclared identifier is reported only once for each function it appears in >> arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:1135:25: error: >> 'KVM_DEV_ARM_VGIC_SYSREG_MASK' undeclared (first use in this function) regid = (attr->attr & KVM_DEV_ARM_VGIC_SYSREG_MASK) | ^ >> arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:1137:3: error: implicit >> declaration of function 'find_reg_by_id' >> [-Werror=implicit-function-declaration] return find_reg_by_id(regid, ¶ms, gic_v3_icc_reg_descs, ^ >> arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:1137:41: error: >> 'gic_v3_icc_reg_descs' undeclared (first use in this function) return find_reg_by_id(regid, ¶ms, gic_v3_icc_reg_descs, ^ In file included from include/linux/thread_info.h:11:0, from include/asm-generic/current.h:4, from arch/arm64/include/generated/asm/current.h:1, from include/linux/mutex.h:13, from include/linux/kernfs.h:13, from include/linux/sysfs.h:15, from include/linux/kobject.h:21, from include/linux/device.h:17, from include/linux/node.h:17, from include/linux/cpu.h:16, from arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:38: >> include/linux/bug.h:33:45: error: bit-field '<anonymous>' width not an >> integer constant #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) ^ include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO' #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) ^ include/linux/kernel.h:54:59: note: in expansion of macro '__must_be_array' #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) ^ >> arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:1138:11: note: in >> expansion of macro 'ARRAY_SIZE' ARRAY_SIZE(gic_v3_icc_reg_descs)) ? ^ arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c:1114:24: warning: unused variable 'params' [-Wunused-variable] struct sys_reg_params params; ^ cc1: some warnings being treated as errors vim +/KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS +1134 arch/arm64/kvm/../../../virt/kvm/arm/vgic-v3-emul.c 1108 } 1109 1110 static int vgic_v3_has_attr(struct kvm_device *dev, 1111 struct kvm_device_attr *attr) 1112 { 1113 phys_addr_t offset; > 1114 struct sys_reg_params params; 1115 u64 regid; 1116 1117 switch (attr->group) { 1118 case KVM_DEV_ARM_VGIC_GRP_ADDR: 1119 switch (attr->attr) { 1120 case KVM_VGIC_V2_ADDR_TYPE_DIST: 1121 case KVM_VGIC_V2_ADDR_TYPE_CPU: 1122 return -ENXIO; 1123 case KVM_VGIC_V3_ADDR_TYPE_DIST: 1124 case KVM_VGIC_V3_ADDR_TYPE_REDIST: 1125 return 0; 1126 } 1127 break; 1128 case KVM_DEV_ARM_VGIC_GRP_DIST_REGS: 1129 offset = attr->attr & KVM_DEV_ARM_VGIC_OFFSET_MASK; 1130 return vgic_has_attr_regs(vgic_v3_dist_ranges, offset); 1131 case KVM_DEV_ARM_VGIC_GRP_REDIST_REGS: 1132 offset = attr->attr & KVM_DEV_ARM_VGIC_OFFSET_MASK; 1133 return vgic_has_attr_regs(vgic_redist_ranges, offset); > 1134 case KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS: > 1135 regid = (attr->attr & KVM_DEV_ARM_VGIC_SYSREG_MASK) | 1136 KVM_REG_SIZE_U64; > 1137 return find_reg_by_id(regid, ¶ms, > gic_v3_icc_reg_descs, > 1138 ARRAY_SIZE(gic_v3_icc_reg_descs)) > ? 1139 0 : -ENXIO; 1140 case KVM_DEV_ARM_VGIC_GRP_NR_IRQS: 1141 return 0; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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