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Diffstat (limited to 'arch/x86/kvm/svm/nested.c')
-rw-r--r--arch/x86/kvm/svm/nested.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index bd3a89cd4070..369eca73fe3e 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -618,6 +618,22 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
return 0;
}
+/*
+ * Forcibly leave nested mode in order to be able to reset the VCPU later on.
+ */
+void svm_leave_nested(struct vcpu_svm *svm)
+{
+ if (is_guest_mode(&svm->vcpu)) {
+ struct vmcb *hsave = svm->nested.hsave;
+ struct vmcb *vmcb = svm->vmcb;
+
+ svm->nested.nested_run_pending = 0;
+ leave_guest_mode(&svm->vcpu);
+ copy_vmcb_control_area(&vmcb->control, &hsave->control);
+ nested_svm_uninit_mmu_context(&svm->vcpu);
+ }
+}
+
static int nested_svm_exit_handled_msr(struct vcpu_svm *svm)
{
u32 offset, msr, value;