diff options
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 1 | ||||
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 3 | ||||
| -rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/svm/nested.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 2 |
5 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index ad882127079f..505cf19ace80 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -687,6 +687,7 @@ struct kvm_vcpu_arch { struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES]; int maxphyaddr; + int tdp_level; /* emulate context */ diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 6828be99b908..44dfaefdad0e 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -124,8 +124,9 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) MSR_IA32_MISC_ENABLE_MWAIT); } - /* Update physical-address width */ + /* Note, maxphyaddr must be updated before tdp_level. */ vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu); + vcpu->arch.tdp_level = kvm_x86_ops.get_tdp_level(vcpu); kvm_mmu_reset_context(vcpu); kvm_pmu_refresh(vcpu); diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index e618472c572b..10cb8db54cd0 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4894,7 +4894,7 @@ kvm_calc_tdp_mmu_root_page_role(struct kvm_vcpu *vcpu, bool base_only) union kvm_mmu_role role = kvm_calc_mmu_role_common(vcpu, base_only); role.base.ad_disabled = (shadow_accessed_mask == 0); - role.base.level = kvm_x86_ops.get_tdp_level(vcpu); + role.base.level = vcpu->arch.tdp_level; role.base.direct = true; role.base.gpte_is_8_bytes = true; @@ -4915,7 +4915,7 @@ static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu) context->sync_page = nonpaging_sync_page; context->invlpg = NULL; context->update_pte = nonpaging_update_pte; - context->shadow_root_level = kvm_x86_ops.get_tdp_level(vcpu); + context->shadow_root_level = vcpu->arch.tdp_level; context->direct_map = true; context->get_guest_pgd = get_cr3; context->get_pdptr = kvm_pdptr_read; @@ -5680,7 +5680,7 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu) * SVM's 32-bit NPT support, TDP paging doesn't use PAE paging and can * skip allocating the PDP table. */ - if (tdp_enabled && kvm_x86_ops.get_tdp_level(vcpu) > PT32E_ROOT_LEVEL) + if (tdp_enabled && vcpu->arch.tdp_level > PT32E_ROOT_LEVEL) return 0; page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_DMA32); diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 712db507c819..a89a166d1cb8 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -86,7 +86,7 @@ static void nested_svm_init_mmu_context(struct kvm_vcpu *vcpu) vcpu->arch.mmu->get_guest_pgd = nested_svm_get_tdp_cr3; vcpu->arch.mmu->get_pdptr = nested_svm_get_tdp_pdptr; vcpu->arch.mmu->inject_page_fault = nested_svm_inject_npf_exit; - vcpu->arch.mmu->shadow_root_level = kvm_x86_ops.get_tdp_level(vcpu); + vcpu->arch.mmu->shadow_root_level = vcpu->arch.tdp_level; reset_shadow_zero_bits_mask(vcpu, vcpu->arch.mmu); vcpu->arch.walk_mmu = &vcpu->arch.nested_mmu; } diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 7a43fbe05e2d..93b2a708b1da 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -3025,8 +3025,6 @@ void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) static int vmx_get_tdp_level(struct kvm_vcpu *vcpu) { - WARN_ON(is_guest_mode(vcpu) && nested_cpu_has_ept(get_vmcs12(vcpu))); - if (cpu_has_vmx_ept_5levels() && (cpuid_maxphyaddr(vcpu) > 48)) return 5; return 4; |