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-rw-r--r--kernel/cpu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 7406fe6966f..3d4206ada5c 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -309,6 +309,8 @@ void enable_nonboot_cpus(void)
mutex_lock(&cpu_add_remove_lock);
cpu_hotplug_disabled = 0;
mutex_unlock(&cpu_add_remove_lock);
+ if (cpus_empty(frozen_cpus))
+ return;
printk("Enabling non-boot CPUs ...\n");
for_each_cpu_mask(cpu, frozen_cpus) {