On 08/08/2019 10:24, Qais Yousef wrote:
>> @@ -8834,6 +8834,10 @@ static inline enum alb_status
>> active_load_balance(struct lb_env *env)
>>
>> raw_spin_lock_irqsave(&busiest->lock, flags);
>>
>> +/* Make sure we're not about to stop a task from a higher sched class */
>> +if (bu
On 08/07/19 18:40, Valentin Schneider wrote:
> The CFS load balancer can cause the cpu_stopper to run a function to
> try and steal a rq's currently running task. However, it so happens
> that while only CFS tasks will ever be migrated by that function, we
> can end up preempting higher sched class
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