tree: https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git kvm-arm64/nv-wip-v5.0-rc1 head: 688c386ca096f2c1f2eee386697586c88df5d5bc commit: 80fce777386b95e1c6f5fdf09237b73397a1016f [40/75] KVM: arm/arm64: nv: Factor out stage 2 page table data from struct kvm 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 80fce777386b95e1c6f5fdf09237b73397a1016f # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm All error/warnings (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:153:32: 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:358:12: 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:358:38: 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_ioctl_run': arch/arm/kvm/../../../virt/kvm/arm/arm.c:681:26: 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:730:48: 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/mmu.c: In function 'kvm_flush_remote_tlbs': >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:66:46: error: 'struct kvm_arch' has no member named 'mmu' kvm_call_hyp(__kvm_tlb_flush_vmid, kvm->arch.mmu); ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:69:43: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu, phys_addr_t ipa) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:108:40: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_dissolve_pmd(struct kvm_s2_mmu *mmu, phys_addr_t addr, pmd_t *pmd) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_dissolve_pmd': >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:114:25: 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:127:40: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_dissolve_pud(struct kvm_s2_mmu *mmu, phys_addr_t addr, pud_t *pudp) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_dissolve_pud': >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:129:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:135:25: 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:129:14: 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:171:43: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void clear_stage2_pgd_entry(struct kvm_s2_mmu *mmu, pgd_t *pgd, phys_addr_t addr) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'clear_stage2_pgd_entry': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:173:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:177:25: 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:173:14: 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:182:43: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void clear_stage2_pud_entry(struct kvm_s2_mmu *mmu, pud_t *pud, phys_addr_t addr) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'clear_stage2_pud_entry': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:184:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:189:25: 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:184:14: 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:194:43: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void clear_stage2_pmd_entry(struct kvm_s2_mmu *mmu, pmd_t *pmd, phys_addr_t addr) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'clear_stage2_pmd_entry': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:199:25: 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:257:38: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void unmap_stage2_ptes(struct kvm_s2_mmu *mmu, pmd_t *pmd, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'unmap_stage2_ptes': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:269:27: 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:280:26: error: passing argument 1 of 'clear_stage2_pmd_entry' from incompatible pointer type [-Werror=incompatible-pointer-types] clear_stage2_pmd_entry(mmu, pmd, start_addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:194:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void clear_stage2_pmd_entry(struct kvm_s2_mmu *mmu, pmd_t *pmd, phys_addr_t addr) ^~~~~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:283:38: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void unmap_stage2_pmds(struct kvm_s2_mmu *mmu, pud_t *pud, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'unmap_stage2_pmds': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:286:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:298:28: 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:304:23: error: passing argument 1 of 'unmap_stage2_ptes' from incompatible pointer type [-Werror=incompatible-pointer-types] unmap_stage2_ptes(mmu, pmd, addr, next); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:257:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void unmap_stage2_ptes(struct kvm_s2_mmu *mmu, pmd_t *pmd, ^~~~~~~~~~~~~~~~~ >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:310:26: error: passing argument 1 of 'clear_stage2_pud_entry' from incompatible pointer type [-Werror=incompatible-pointer-types] clear_stage2_pud_entry(mmu, pud, start_addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:182:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void clear_stage2_pud_entry(struct kvm_s2_mmu *mmu, pud_t *pud, phys_addr_t addr) ^~~~~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:313:38: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void unmap_stage2_puds(struct kvm_s2_mmu *mmu, pgd_t *pgd, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'unmap_stage2_puds': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:316:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:328:28: 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:332:23: error: passing argument 1 of 'unmap_stage2_pmds' from incompatible pointer type [-Werror=incompatible-pointer-types] unmap_stage2_pmds(mmu, pud, addr, next); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:283:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void unmap_stage2_pmds(struct kvm_s2_mmu *mmu, pud_t *pud, ^~~~~~~~~~~~~~~~~ >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:338:26: error: passing argument 1 of 'clear_stage2_pgd_entry' from incompatible pointer type [-Werror=incompatible-pointer-types] clear_stage2_pgd_entry(mmu, pgd, start_addr); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:171:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void clear_stage2_pgd_entry(struct kvm_s2_mmu *mmu, pgd_t *pgd, phys_addr_t addr) ^~~~~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:316:14: 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:352:39: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void unmap_stage2_range(struct kvm_s2_mmu *mmu, phys_addr_t start, u64 size) ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function '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:973:33: error: 'struct kvm_arch' has no member named 'mmu' 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:1012:22: error: passing argument 1 of 'unmap_stage2_range' from incompatible pointer type [-Werror=incompatible-pointer-types] unmap_stage2_range(mmu, 0, kvm_phys_size(kvm)); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:352:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void 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:1150:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static bool stage2_get_leaf_entry(struct kvm_s2_mmu *mmu, phys_addr_t addr, ^~~~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1207:34: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static int stage2_set_pte(struct kvm_s2_mmu *mmu, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_set_pte': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1212:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1222:23: 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:1236:23: error: passing argument 1 of 'stage2_dissolve_pud' from incompatible pointer type [-Werror=incompatible-pointer-types] stage2_dissolve_pud(mmu, addr, pud); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:127:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void stage2_dissolve_pud(struct kvm_s2_mmu *mmu, phys_addr_t addr, pud_t *pudp) ^~~~~~~~~~~~~~~~~~~ >> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1260:23: error: passing argument 1 of 'stage2_dissolve_pmd' from incompatible pointer type [-Werror=incompatible-pointer-types] stage2_dissolve_pmd(mmu, addr, pmd); ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:108:13: note: expected 'struct kvm_s2_mmu *' but argument is of type 'struct kvm_s2_mmu *' static void stage2_dissolve_pmd(struct kvm_s2_mmu *mmu, phys_addr_t addr, pmd_t *pmd) ^~~~~~~~~~~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1284:26: 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:1212:14: warning: unused variable 'kvm' [-Wunused-variable] struct kvm *kvm = mmu->kvm; ^~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'kvm_phys_addr_ioremap': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1350:34: error: 'struct kvm_arch' has no member named 'mmu' ret = stage2_set_pte(&kvm->arch.mmu, &cache, addr, &pte, ^ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1437:35: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_wp_pmds(struct kvm_s2_mmu *mmu, pud_t *pud, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_wp_pmds': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1440:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: At top level: arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1467:36: warning: 'struct kvm_s2_mmu' declared inside parameter list will not be visible outside of this definition or declaration static void stage2_wp_puds(struct kvm_s2_mmu *mmu, pgd_t *pgd, ^~~~~~~~~~ arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'stage2_wp_puds': arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1470:23: error: dereferencing pointer to incomplete type 'struct kvm_s2_mmu' struct kvm *kvm = mmu->kvm; ^~ vim +133 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; 140 141 ret = create_hyp_mappings(kvm, kvm + 1, PAGE_HYP); 142 if (ret) 143 goto out_free_stage2_pgd; 144 145 kvm_vgic_early_init(kvm); 146 147 /* The maximum number of VCPUs is limited by the host's GIC model */ 148 kvm->arch.max_vcpus = vgic_present ? 149 kvm_vgic_get_max_vcpus() : KVM_MAX_VCPUS; 150 151 return ret; 152 out_free_stage2_pgd: 153 kvm_free_stage2_pgd(&kvm->arch.mmu); 154 out_fail_alloc: 155 free_percpu(kvm->arch.last_vcpu_ran); 156 kvm->arch.last_vcpu_ran = NULL; 157 return ret; 158 } 159 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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