diff options
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index ac7810513d0e..5d3376f67794 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1498,6 +1498,21 @@ void kvm_arch_mmu_enable_log_dirty_pt_masked(struct kvm *kvm, kvm_mmu_write_protect_pt_masked(kvm, slot, gfn_offset, mask); } +/** + * kvm_arch_write_log_dirty - emulate dirty page logging + * @vcpu: Guest mode vcpu + * + * Emulate arch specific page modification logging for the + * nested hypervisor + */ +int kvm_arch_write_log_dirty(struct kvm_vcpu *vcpu) +{ + if (kvm_x86_ops->write_log_dirty) + return kvm_x86_ops->write_log_dirty(vcpu); + + return 0; +} + bool kvm_mmu_slot_gfn_write_protect(struct kvm *kvm, struct kvm_memory_slot *slot, u64 gfn) { @@ -4340,7 +4355,8 @@ void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu) } EXPORT_SYMBOL_GPL(kvm_init_shadow_mmu); -void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly) +void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly, + bool accessed_dirty) { struct kvm_mmu *context = &vcpu->arch.mmu; @@ -4349,6 +4365,7 @@ void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly) context->shadow_root_level = kvm_x86_ops->get_tdp_level(); context->nx = true; + context->ept_ad = accessed_dirty; context->page_fault = ept_page_fault; context->gva_to_gpa = ept_gva_to_gpa; context->sync_page = ept_sync_page; |