Message ID | e2f3ee03-24e7-fd28-4172-ff0c87f9f539@huawei.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 76a6d92..0ac3ff5 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -496,7 +496,10 @@ static int __init smp_cpu_setup(int cpu) if (cpu_ops[cpu]->cpu_init(cpu)) return -ENODEV; - set_cpu_possible(cpu, true); + if (cpu < nr_cpu_ids) + set_cpu_possible(cpu, true); + else + return -EINVAL; return 0; }