diff options
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index fcbc491e1f87..53c9039583fd 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3216,9 +3216,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) savesegment(gs, gs_selector); ldt_selector = kvm_read_ldt(); svm->vmcb->save.cr2 = vcpu->arch.cr2; - /* required for live migration with NPT */ - if (npt_enabled) - svm->vmcb->save.cr3 = vcpu->arch.cr3; clgi(); @@ -3340,16 +3337,22 @@ static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root) { struct vcpu_svm *svm = to_svm(vcpu); - if (npt_enabled) { - svm->vmcb->control.nested_cr3 = root; - force_new_asid(vcpu); - return; - } - svm->vmcb->save.cr3 = root; force_new_asid(vcpu); } +static void set_tdp_cr3(struct kvm_vcpu *vcpu, unsigned long root) +{ + struct vcpu_svm *svm = to_svm(vcpu); + + svm->vmcb->control.nested_cr3 = root; + + /* Also sync guest cr3 here in case we live migrate */ + svm->vmcb->save.cr3 = vcpu->arch.cr3; + + force_new_asid(vcpu); +} + static int is_disabled(void) { u64 vm_cr; @@ -3576,6 +3579,8 @@ static struct kvm_x86_ops svm_x86_ops = { .write_tsc_offset = svm_write_tsc_offset, .adjust_tsc_offset = svm_adjust_tsc_offset, + + .set_tdp_cr3 = set_tdp_cr3, }; static int __init svm_init(void) |