reset_shadow_zero_bits_mask(struct kvm_vcpu *vcpu, struct kvm_mmu *context);
void kvm_init_mmu(struct kvm_vcpu *vcpu, bool reset_roots);
-void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu);
+void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, u32 cr0, u32 cr4, u32 efer);
void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly,
bool accessed_dirty, gpa_t new_eptp);
bool kvm_can_do_async_pf(struct kvm_vcpu *vcpu);
return role;
}
-void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu)
+void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, u32 cr0, u32 cr4, u32 efer)
{
struct kvm_mmu *context = vcpu->arch.mmu;
union kvm_mmu_role new_role =
if (new_role.as_u64 == context->mmu_role.as_u64)
return;
- if (!is_paging(vcpu))
+ if (!(cr0 & X86_CR0_PG))
nonpaging_init_context(vcpu, context);
- else if (is_long_mode(vcpu))
+ else if (efer & EFER_LMA)
paging64_init_context(vcpu, context);
- else if (is_pae(vcpu))
+ else if (cr4 & X86_CR4_PAE)
paging32E_init_context(vcpu, context);
else
paging32_init_context(vcpu, context);
{
struct kvm_mmu *context = vcpu->arch.mmu;
- kvm_init_shadow_mmu(vcpu);
+ kvm_init_shadow_mmu(vcpu,
+ kvm_read_cr0_bits(vcpu, X86_CR0_PG),
+ kvm_read_cr4_bits(vcpu, X86_CR4_PAE),
+ vcpu->arch.efer);
+
context->get_guest_pgd = get_cr3;
context->get_pdptr = kvm_pdptr_read;
context->inject_page_fault = kvm_inject_page_fault;
static void nested_svm_init_mmu_context(struct kvm_vcpu *vcpu)
{
+ struct vcpu_svm *svm = to_svm(vcpu);
+ struct vmcb *hsave = svm->nested.hsave;
+
WARN_ON(mmu_is_nested(vcpu));
vcpu->arch.mmu = &vcpu->arch.guest_mmu;
- kvm_init_shadow_mmu(vcpu);
+ kvm_init_shadow_mmu(vcpu, X86_CR0_PG, hsave->save.cr4, hsave->save.efer);
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;