This patch lets the nested vmrun fail if the L1 hypervisor
has not intercepted vmrun. This fixes the "vmrun intercept
check" unit test.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
+static bool nested_vmcb_checks(struct vmcb *vmcb)
+{
+ if ((vmcb->control.intercept & (1ULL << INTERCEPT_VMRUN)) == 0)
+ return false;
+
+ return true;
+}
+
static bool nested_svm_vmrun(struct vcpu_svm *svm)
{
struct vmcb *nested_vmcb;
static bool nested_svm_vmrun(struct vcpu_svm *svm)
{
struct vmcb *nested_vmcb;
if (!nested_vmcb)
return false;
if (!nested_vmcb)
return false;
+ if (!nested_vmcb_checks(nested_vmcb)) {
+ nested_vmcb->control.exit_code = SVM_EXIT_ERR;
+ nested_vmcb->control.exit_code_hi = 0;
+ nested_vmcb->control.exit_info_1 = 0;
+ nested_vmcb->control.exit_info_2 = 0;
+
+ nested_svm_unmap(page);
+
+ return false;
+ }
+
trace_kvm_nested_vmrun(svm->vmcb->save.rip - 3, vmcb_gpa,
nested_vmcb->save.rip,
nested_vmcb->control.int_ctl,
trace_kvm_nested_vmrun(svm->vmcb->save.rip - 3, vmcb_gpa,
nested_vmcb->save.rip,
nested_vmcb->control.int_ctl,