diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 0d25fc16d98bb505a1328ece7c5ab74be3db9bc7..330a08aa0291e12ecc9e872abcb70997a71bb0ab 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1673,7 +1673,9 @@ static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
 		guest_efer = vmx->vcpu.arch.efer;
 		if (!(guest_efer & EFER_LMA))
 			guest_efer &= ~EFER_LME;
-		add_atomic_switch_msr(vmx, MSR_EFER, guest_efer, host_efer);
+		if (guest_efer != host_efer)
+			add_atomic_switch_msr(vmx, MSR_EFER,
+					      guest_efer, host_efer);
 		return false;
 	}