tree: https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git kvm-arm64/nv-wip-v5.0-rc1 head: 688c386ca096f2c1f2eee386697586c88df5d5bc commit: 0b00bd6b80de27c662fbf905a92a6390ff13d7c6 [41/75] KVM: arm/arm64: nv: Support multiple nested stage 2 mmu structures config: arm-axm55xx_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 0b00bd6b80de27c662fbf905a92a6390ff13d7c6 # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm All errors (new ones prefixed by >>): arch/arm/kvm/../../../virt/kvm/arm/arm.c: In function 'kvm_arch_init_vm': arch/arm/kvm/../../../virt/kvm/arm/arm.c:133:39: error: 'struct kvm_arch' has no member named 'mmu' ret = kvm_alloc_stage2_pgd(&kvm->arch.mmu); ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c:138:11: error: 'struct kvm_arch' has no member named 'mmu' kvm->arch.mmu.vmid.vmid_gen = 0; ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c:139:11: error: 'struct kvm_arch' has no member named 'mmu' kvm->arch.mmu.kvm = kvm; ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c:140:11: error: 'struct kvm_arch' has no member named 'mmu' kvm->arch.mmu.vttbr = -1; ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c:141:11: error: 'struct kvm_arch' has no member named 'mmu' kvm->arch.mmu.nested_stage2_enabled = false; ^ >> arch/arm/kvm/../../../virt/kvm/arm/arm.c:143:11: error: 'struct kvm_arch' has no member named 'nested_mmus' kvm->arch.nested_mmus = NULL; ^ >> arch/arm/kvm/../../../virt/kvm/arm/arm.c:144:11: error: 'struct kvm_arch' has no member named 'nested_mmus_size' kvm->arch.nested_mmus_size = 0; ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c:158:32: error: 'struct kvm_arch' has no member named 'mmu' kvm_free_stage2_pgd(&kvm->arch.mmu); ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c: In function 'kvm_arch_vcpu_init': arch/arm/kvm/../../../virt/kvm/arm/arm.c:363:12: error: 'struct kvm_vcpu_arch' has no member named 'hw_mmu' vcpu->arch.hw_mmu = &vcpu->kvm->arch.mmu; ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c:363:38: error: 'struct kvm_arch' has no member named 'mmu' vcpu->arch.hw_mmu = &vcpu->kvm->arch.mmu; ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c: In function 'kvm_arch_vcpu_load': >> arch/arm/kvm/../../../virt/kvm/arm/arm.c:372:2: error: implicit declaration of function 'kvm_vcpu_load_hw_mmu'; did you mean 'kvm_vcpu_load_sysregs'? [-Werror=implicit-function-declaration] kvm_vcpu_load_hw_mmu(vcpu); ^~~~~~~~~~~~~~~~~~~~ kvm_vcpu_load_sysregs arch/arm/kvm/../../../virt/kvm/arm/arm.c: In function 'kvm_arch_vcpu_put': >> arch/arm/kvm/../../../virt/kvm/arm/arm.c:406:2: error: implicit declaration of function 'kvm_vcpu_put_hw_mmu'; did you mean 'kvm_vcpu_dabt_is_cm'? [-Werror=implicit-function-declaration] kvm_vcpu_put_hw_mmu(vcpu); ^~~~~~~~~~~~~~~~~~~ kvm_vcpu_dabt_is_cm arch/arm/kvm/../../../virt/kvm/arm/arm.c: In function 'kvm_arch_vcpu_ioctl_run': arch/arm/kvm/../../../virt/kvm/arm/arm.c:689:26: error: 'struct kvm_vcpu_arch' has no member named 'hw_mmu' update_vmid(&vcpu->arch.hw_mmu->vmid); ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c:738:48: error: 'struct kvm_vcpu_arch' has no member named 'hw_mmu' if (ret <= 0 || need_new_vmid_gen(&vcpu->arch.hw_mmu->vmid) || ^ arch/arm/kvm/../../../virt/kvm/arm/arm.c: In function 'kvm_vcpu_set_target': >> arch/arm/kvm/../../../virt/kvm/arm/arm.c:973:15: error: 'KVM_ARM_VCPU_NESTED_VIRT' undeclared (first use in this function); did you mean 'KVM_ARM_VCPU_TIMER_CTRL'? if (test_bit(KVM_ARM_VCPU_NESTED_VIRT, vcpu->arch.features)) { ^~~~~~~~~~~~~~~~~~~~~~~~ KVM_ARM_VCPU_TIMER_CTRL arch/arm/kvm/../../../virt/kvm/arm/arm.c:973:15: note: each undeclared identifier is reported only once for each function it appears in >> arch/arm/kvm/../../../virt/kvm/arm/arm.c:976:8: error: implicit declaration of function 'cpus_have_const_cap'; did you mean 'cpu_have_feature'? [-Werror=implicit-function-declaration] if (!cpus_have_const_cap(ARM64_HAS_NESTED_VIRT)) ^~~~~~~~~~~~~~~~~~~ cpu_have_feature >> arch/arm/kvm/../../../virt/kvm/arm/arm.c:976:28: error: 'ARM64_HAS_NESTED_VIRT' undeclared (first use in this function); did you mean 'KVM_ARM_VCPU_NESTED_VIRT'? if (!cpus_have_const_cap(ARM64_HAS_NESTED_VIRT)) ^~~~~~~~~~~~~~~~~~~~~ KVM_ARM_VCPU_NESTED_VIRT >> arch/arm/kvm/../../../virt/kvm/arm/arm.c:979:9: error: implicit declaration of function 'kvm_vcpu_init_nested'; did you mean 'kvm_vcpu_initialized'? [-Werror=implicit-function-declaration] ret = kvm_vcpu_init_nested(vcpu); ^~~~~~~~~~~~~~~~~~~~ kvm_vcpu_initialized cc1: some warnings being treated as errors -- arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:352:36: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration void kvm_unmap_stage2_range(struct kvm_s2_mmu *mmu, phys_addr_t start, u64 size) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_unmap_stage2_range': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:354:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:373:22: error: passing argument 1 of 'unmap_stage2_puds' from incompatible pointer type [-Werror=incompatible-pointer-types] unmap_stage2_puds(mmu, pgd, addr, next); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:313:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void unmap_stage2_puds(struct kvm_s2_mmu *mmu, pgd_t *pgd, ^~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:383:38: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_flush_ptes(struct kvm_s2_mmu *mmu, pmd_t *pmd, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:395:38: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_flush_pmds(struct kvm_s2_mmu *mmu, pud_t *pud, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_flush_pmds': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:398:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:409:23: error: passing argument 1 of 'stage2_flush_ptes' from incompatible pointer type [-Werror=incompatible-pointer-types] stage2_flush_ptes(mmu, pmd, addr, next); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:383:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void stage2_flush_ptes(struct kvm_s2_mmu *mmu, pmd_t *pmd, ^~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:414:38: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_flush_puds(struct kvm_s2_mmu *mmu, pgd_t *pgd, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_flush_puds': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:417:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:428:23: error: passing argument 1 of 'stage2_flush_pmds' from incompatible pointer type [-Werror=incompatible-pointer-types] stage2_flush_pmds(mmu, pud, addr, next); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:395:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void stage2_flush_pmds(struct kvm_s2_mmu *mmu, pud_t *pud, ^~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:417:14: warning: unused variable 'kvm' [-Wunused-variable] struct kvm *kvm = mmu->kvm; ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:433:41: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_flush_memslot(struct kvm_s2_mmu *mmu, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_flush_memslot': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:436:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:446:22: error: passing argument 1 of 'stage2_flush_puds' from incompatible pointer type [-Werror=incompatible-pointer-types] stage2_flush_puds(mmu, pgd, addr, next); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:414:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void stage2_flush_puds(struct kvm_s2_mmu *mmu, pgd_t *pgd, ^~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_flush_vm': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:468:34: error: 'struct kvm_arch' has no member named 'mmu' stage2_flush_memslot(&kvm->arch.mmu, memslot); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:919:33: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration int kvm_alloc_stage2_pgd(struct kvm_s2_mmu *mmu) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:919:5: error: conflicting types for 'kvm_alloc_stage2_pgd' int kvm_alloc_stage2_pgd(struct kvm_s2_mmu *mmu) ^~~~~~~~~~~~~~~~~~~~ In file included from arch/arm/kvm/../../../virt/kvm/arm/mmu.c:28:0: arch/arm/include/asm/kvm_mmu.h:67:5: note: previous declaration of 'kvm_alloc_stage2_pgd' was here int kvm_alloc_stage2_pgd(struct kvm *kvm); ^~~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_alloc_stage2_pgd': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:923:9: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' if (mmu->pgd != NULL) { ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_unmap_memslot': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:973:37: error: 'struct kvm_arch' has no member named 'mmu' kvm_unmap_stage2_range(&kvm->arch.mmu, gpa, vm_end - vm_start); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1005:33: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1005:6: error: conflicting types for 'kvm_free_stage2_pgd' void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) ^~~~~~~~~~~~~~~~~~~ In file included from arch/arm/kvm/../../../virt/kvm/arm/mmu.c:28:0: arch/arm/include/asm/kvm_mmu.h:68:6: note: previous declaration of 'kvm_free_stage2_pgd' was here void kvm_free_stage2_pgd(struct kvm *kvm); ^~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_free_stage2_pgd': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1007:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1012:26: error: passing argument 1 of 'kvm_unmap_stage2_range' from incompatible pointer type [-Werror=incompatible-pointer-types] kvm_unmap_stage2_range(mmu, 0, kvm_phys_size(kvm)); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:352:6: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' void kvm_unmap_stage2_range(struct kvm_s2_mmu *mmu, phys_addr_t start, u64 size) ^~~~~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1013:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion] pgd = READ_ONCE(mmu->pgd); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1023:37: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static pud_t *stage2_get_pud(struct kvm_s2_mmu *mmu, struct kvm_mmu_memory_cache *cache, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_get_pud': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1026:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1026:14: warning: unused variable 'kvm' [-Wunused-variable] struct kvm *kvm = mmu->kvm; ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1042:37: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static pmd_t *stage2_get_pmd(struct kvm_s2_mmu *mmu, struct kvm_mmu_memory_cache *cache, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_get_pmd': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1045:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1049:23: error: passing argument 1 of 'stage2_get_pud' from incompatible pointer type [-Werror=incompatible-pointer-types] pud = stage2_get_pud(mmu, cache, addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1023:15: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static pud_t *stage2_get_pud(struct kvm_s2_mmu *mmu, struct kvm_mmu_memory_cache *cache, ^~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1045:14: warning: unused variable 'kvm' [-Wunused-variable] struct kvm *kvm = mmu->kvm; ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1064:39: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static int stage2_set_pmd_huge(struct kvm_s2_mmu *mmu, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_set_pmd_huge': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1070:23: error: passing argument 1 of 'stage2_get_pmd' from incompatible pointer type [-Werror=incompatible-pointer-types] pmd = stage2_get_pmd(mmu, cache, addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1042:15: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static pmd_t *stage2_get_pmd(struct kvm_s2_mmu *mmu, struct kvm_mmu_memory_cache *cache, ^~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1103:26: error: passing argument 1 of 'kvm_tlb_flush_vmid_ipa' from incompatible pointer type [-Werror=incompatible-pointer-types] kvm_tlb_flush_vmid_ipa(mmu, addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:69:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu, phys_addr_t ipa) ^~~~~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1112:39: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static int stage2_set_pud_huge(struct kvm_s2_mmu *mmu, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_set_pud_huge': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1116:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1119:24: error: passing argument 1 of 'stage2_get_pud' from incompatible pointer type [-Werror=incompatible-pointer-types] pudp = stage2_get_pud(mmu, cache, addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1023:15: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static pud_t *stage2_get_pud(struct kvm_s2_mmu *mmu, struct kvm_mmu_memory_cache *cache, ^~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1135:26: error: passing argument 1 of 'kvm_tlb_flush_vmid_ipa' from incompatible pointer type [-Werror=incompatible-pointer-types] kvm_tlb_flush_vmid_ipa(mmu, addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:69:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu, phys_addr_t ipa) ^~~~~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1116:14: warning: unused variable 'kvm' [-Wunused-variable] struct kvm *kvm = mmu->kvm; ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1150:42: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static bool stage2_get_leaf_entry(struct kvm_s2_mmu *mmu, phys_addr_t addr, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_get_leaf_entry': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1153:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1162:24: error: passing argument 1 of 'stage2_get_pud' from incompatible pointer type [-Werror=incompatible-pointer-types] pudp = stage2_get_pud(mmu, NULL, addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1023:15: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static pud_t *stage2_get_pud(struct kvm_s2_mmu *mmu, struct kvm_mmu_memory_cache *cache, ^~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1153:14: warning: unused variable 'kvm' [-Wunused-variable] struct kvm *kvm = mmu->kvm; ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1188:35: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static bool stage2_is_exec(struct kvm_s2_mmu *mmu, phys_addr_t addr) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_is_exec': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1195:32: error: passing argument 1 of 'stage2_get_leaf_entry' from incompatible pointer type [-Werror=incompatible-pointer-types] found = stage2_get_leaf_entry(mmu, addr, &pudp, &pmdp, &ptep); -- arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1437:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void stage2_wp_pmds(struct kvm_s2_mmu *mmu, pud_t *pud, ^~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1470:14: warning: unused variable 'kvm' [-Wunused-variable] struct kvm *kvm = mmu->kvm; ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1494:36: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_wp_range(struct kvm_s2_mmu *mmu, phys_addr_t addr, phys_addr_t end) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_wp_range': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1496:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1516:19: error: passing argument 1 of 'stage2_wp_puds' from incompatible pointer type [-Werror=incompatible-pointer-types] stage2_wp_puds(mmu, pgd, addr, next); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1467:14: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void stage2_wp_puds(struct kvm_s2_mmu *mmu, pgd_t *pgd, ^~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_mmu_wp_memory_region': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1541:28: error: 'struct kvm_arch' has no member named 'mmu' stage2_wp_range(&kvm->arch.mmu, start, end); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_mmu_write_protect_pt_masked': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1565:28: error: 'struct kvm_arch' has no member named 'mmu' stage2_wp_range(&kvm->arch.mmu, start, end); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'user_mem_abort': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1678:37: error: 'struct kvm_vcpu_arch' has no member named 'hw_mmu' struct kvm_s2_mmu *mmu = vcpu->arch.hw_mmu; ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1793:47: error: passing argument 1 of 'stage2_is_exec' from incompatible pointer type [-Werror=incompatible-pointer-types] (fault_status == FSC_PERM && stage2_is_exec(mmu, fault_ipa)); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1188:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static bool stage2_is_exec(struct kvm_s2_mmu *mmu, phys_addr_t addr) ^~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1805:29: error: passing argument 1 of 'stage2_set_pud_huge' from incompatible pointer type [-Werror=incompatible-pointer-types] ret = stage2_set_pud_huge(mmu, memcache, fault_ipa, &new_pud); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1112:12: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static int stage2_set_pud_huge(struct kvm_s2_mmu *mmu, ^~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1817:29: error: passing argument 1 of 'stage2_set_pmd_huge' from incompatible pointer type [-Werror=incompatible-pointer-types] ret = stage2_set_pmd_huge(mmu, memcache, fault_ipa, &new_pmd); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1064:12: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static int stage2_set_pmd_huge(struct kvm_s2_mmu *mmu, ^~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1829:24: error: passing argument 1 of 'stage2_set_pte' from incompatible pointer type [-Werror=incompatible-pointer-types] ret = stage2_set_pte(mmu, memcache, fault_ipa, &new_pte, flags); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1207:12: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static int stage2_set_pte(struct kvm_s2_mmu *mmu, ^~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'handle_access_fault': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1858:39: error: 'struct kvm_vcpu_arch' has no member named 'hw_mmu' if (!stage2_get_leaf_entry(vcpu->arch.hw_mmu, fault_ipa, &pud, &pmd, &pte)) ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_unmap_hva_handler': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2028:35: error: 'struct kvm_arch' has no member named 'mmu' kvm_unmap_stage2_range(&kvm->arch.mmu, gpa, size); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_unmap_hva_range': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2035:16: error: 'struct kvm_arch' has no member named 'mmu' if (!kvm->arch.mmu.pgd) ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_set_spte_handler': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2055:27: error: 'struct kvm_arch' has no member named 'mmu' stage2_set_pte(&kvm->arch.mmu, NULL, gpa, pte, 0); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_set_spte_hva': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2066:16: error: 'struct kvm_arch' has no member named 'mmu' if (!kvm->arch.mmu.pgd) ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_age_hva_handler': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2089:39: error: 'struct kvm_arch' has no member named 'mmu' if (!stage2_get_leaf_entry(&kvm->arch.mmu, gpa, &pud, &pmd, &pte)) ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_test_age_hva_handler': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2107:39: error: 'struct kvm_arch' has no member named 'mmu' if (!stage2_get_leaf_entry(&kvm->arch.mmu, gpa, &pud, &pmd, &pte)) ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_age_hva': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2120:16: error: 'struct kvm_arch' has no member named 'mmu' if (!kvm->arch.mmu.pgd) ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_test_age_hva': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2128:16: error: 'struct kvm_arch' has no member named 'mmu' if (!kvm->arch.mmu.pgd) ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_arch_prepare_memory_region': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2341:36: error: 'struct kvm_arch' has no member named 'mmu' kvm_unmap_stage2_range(&kvm->arch.mmu, mem->guest_phys_addr, mem->memory_size); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2343:34: error: 'struct kvm_arch' has no member named 'mmu' stage2_flush_memslot(&kvm->arch.mmu, memslot); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_arch_flush_shadow_all': >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2369:27: error: 'struct kvm_arch' has no member named 'nested_mmus_size' for (i = 0; i < kvm->arch.nested_mmus_size; i++) { ^ >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2370:38: error: 'struct kvm_arch' has no member named 'nested_mmus' struct kvm_s2_mmu *mmu = &kvm->arch.nested_mmus[i]; ^ In file included from arch/arm/include/asm/bug.h:60:0, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/mm.h:9, from include/linux/mman.h:5, from arch/arm/kvm/../../../virt/kvm/arm/mmu.c:19: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2372:14: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' WARN_ON(mmu->usage_count > 0); ^ include/asm-generic/bug.h:122:25: note: in definition of macro 'WARN_ON' int __ret_warn_on = !!(condition); \ ^~~~~~~~~ >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2375:24: error: passing argument 1 of 'kvm_free_stage2_pgd' from incompatible pointer type [-Werror=incompatible-pointer-types] kvm_free_stage2_pgd(mmu); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1005:6: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) ^~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2377:17: error: 'struct kvm_arch' has no member named 'nested_mmus' kfree(kvm->arch.nested_mmus); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2378:11: error: 'struct kvm_arch' has no member named 'nested_mmus' kvm->arch.nested_mmus = NULL; ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2379:11: error: 'struct kvm_arch' has no member named 'nested_mmus_size' kvm->arch.nested_mmus_size = 0; ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2380:32: error: 'struct kvm_arch' has no member named 'mmu' kvm_free_stage2_pgd(&kvm->arch.mmu); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_arch_flush_shadow_memslot': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:2390:35: error: 'struct kvm_arch' has no member named 'mmu' kvm_unmap_stage2_range(&kvm->arch.mmu, gpa, size); ^ cc1: some warnings being treated as errors vim +143 arch/arm/kvm/../../../virt/kvm/arm/arm.c 112 113 114 /** 115 * kvm_arch_init_vm - initializes a VM data structure 116 * @kvm: pointer to the KVM struct 117 */ 118 int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) 119 { 120 int ret, cpu; 121 122 ret = kvm_arm_setup_stage2(kvm, type); 123 if (ret) 124 return ret; 125 126 kvm->arch.last_vcpu_ran = alloc_percpu(typeof(*kvm->arch.last_vcpu_ran)); 127 if (!kvm->arch.last_vcpu_ran) 128 return -ENOMEM; 129 130 for_each_possible_cpu(cpu) 131 *per_cpu_ptr(kvm->arch.last_vcpu_ran, cpu) = -1; 132 133 ret = kvm_alloc_stage2_pgd(&kvm->arch.mmu); 134 if (ret) 135 goto out_fail_alloc; 136 137 /* Mark the initial VMID generation invalid */ 138 kvm->arch.mmu.vmid.vmid_gen = 0; > 139 kvm->arch.mmu.kvm = kvm; > 140 kvm->arch.mmu.vttbr = -1; 141 kvm->arch.mmu.nested_stage2_enabled = false; 142 > 143 kvm->arch.nested_mmus = NULL; > 144 kvm->arch.nested_mmus_size = 0; 145 146 ret = create_hyp_mappings(kvm, kvm + 1, PAGE_HYP); 147 if (ret) 148 goto out_free_stage2_pgd; 149 150 kvm_vgic_early_init(kvm); 151 152 /* The maximum number of VCPUs is limited by the host's GIC model */ 153 kvm->arch.max_vcpus = vgic_present ? 154 kvm_vgic_get_max_vcpus() : KVM_MAX_VCPUS; 155 156 return ret; 157 out_free_stage2_pgd: 158 kvm_free_stage2_pgd(&kvm->arch.mmu); 159 out_fail_alloc: 160 free_percpu(kvm->arch.last_vcpu_ran); 161 kvm->arch.last_vcpu_ran = NULL; 162 return ret; 163 } 164 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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