KVM: nVMX: Fix nested_run_pending on activity state HLT

When we suspend the guest in HLT state, the nested run is no longer
pending - we emulated it completely. So only set nested_run_pending
after checking the activity state.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index fc4a255..f9a5433 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8046,8 +8046,6 @@
 
 	enter_guest_mode(vcpu);
 
-	vmx->nested.nested_run_pending = 1;
-
 	vmx->nested.vmcs01_tsc_offset = vmcs_read64(TSC_OFFSET);
 
 	cpu = get_cpu();
@@ -8066,6 +8064,8 @@
 	if (vmcs12->guest_activity_state == GUEST_ACTIVITY_HLT)
 		return kvm_emulate_halt(vcpu);
 
+	vmx->nested.nested_run_pending = 1;
+
 	/*
 	 * Note no nested_vmx_succeed or nested_vmx_fail here. At this point
 	 * we are no longer running L1, and VMLAUNCH/VMRESUME has not yet