1 files changed, 1 insertions, 0 deletions

diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index be2d50c3aa95..045772142844 100644
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -85,6 +85,7 @@ static int idle_proc(void *cpup)
         while (!cpu_isset(cpu, smp_commenced_mask))
                 cpu_relax();
 
+        notify_cpu_starting(cpu);
         cpu_set(cpu, cpu_online_map);
         default_idle();
         return 0;