!4166 sched/fair: Fix qos_timer deadlock when cpuhp offline

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhao Wenhui <zhaowenhui8@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6DO7KBHPJP6SX5AT25IFVU4OSYNGVJW6/ 
 
https://gitee.com/openeuler/kernel/issues/I8YHBT 
 
Link:https://gitee.com/openeuler/kernel/pulls/4166

 

Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: Zucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>