Unverified Commit d57d3cac authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12395 tracing/timerlat: Fix a race during cpuhp processing 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Yejian <zhengyejian1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/HMSNMSOW55R45V47HOKQKYJLI4QIEIOB/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRAT 
 
Link:https://gitee.com/openeuler/kernel/pulls/12395

 

Reviewed-by: default avatarYe Weihua <yeweihua4@huawei.com>
Reviewed-by: default avatarXu Kuohai <xukuohai@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 672caec3 957b9494

kernel/trace/trace_osnoise.c

+2 −0
Original line number Diff line number Diff line
@@ -1741,6 +1741,8 @@ static void osnoise_hotplug_workfn(struct work_struct *dummy) 


	mutex_lock(&interface_lock);

	get_online_cpus();

	if (!cpu_online(cpu))

		goto out_unlock;



	if (!cpumask_test_cpu(cpu, &osnoise_cpumask))

		goto out_unlock;