KVM_REQ_GET_NESTED_STATE_PAGES is also used on VM entries
that happen on exit from SMM mode, and in this case PDPTRS
must be always reloaded
Fixes: 0f85722341b0 ("KVM: nVMX: delay loading of PDPTRs to KVM_REQ_GET_NESTED_STATE_PAGES")
Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
---
arch/x86/kvm/vmx/vmx.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index fada1055f325..4194fbf5e5d6 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7504,6 +7504,13 @@ static int vmx_leave_smm(struct kvm_vcpu *vcpu, const char *smstate)
}
if (vmx->nested.smm.guest_mode) {
+
+ /* Exit from the SMM to the non root mode also uses
+ * the KVM_REQ_GET_NESTED_STATE_PAGES request,
+ * but in this case the pdptrs must be always reloaded
+ */
+ vcpu->arch.pdptrs_from_userspace = false;
+
ret = nested_vmx_enter_non_root_mode(vcpu, false);
if (ret)
return ret;
--
2.26.3
