On 15/10/2019 11:40, Quentin Perret wrote:
>> @@ -2124,8 +2124,17 @@ static void detach_destroy_domains(const struct cpumask *cpu_map)
>> int i;
>>
>> rcu_read_lock();
>> +
>> + if (static_key_enabled(&sched_asym_cpucapacity)) {
>> + unsigned int cpu = cpumask_any(cpu_map);
>> +
>> + if (rcu_dereference(per_cpu(sd_asym_cpucapacity, cpu)))
>> + static_branch_dec_cpuslocked(&sched_asym_cpucapacity);
>
> Lockdep should scream for this :)
Bleh, yes indeed...
>> + }
>> +
>> for_each_cpu(i, cpu_map)
>> cpu_attach_domain(NULL, &def_root_domain, i);
>> +
>> rcu_read_unlock();
>> }
>>
>> --
>> 2.22.0
>>
