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-rw-r--r--arch/um/kernel/smp.c1
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;