diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 3c6d17fd423a82006d89c71e7345bb6a566aec09..719cf291dcdf195e68e52c97dd054686192aa936 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -545,6 +545,8 @@ static void xen_play_dead(void) /* used only with HOTPLUG_CPU */
 	 * data back is to call:
 	 */
 	tick_nohz_idle_enter();
+
+	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
 }
 
 #else /* !CONFIG_HOTPLUG_CPU */