Unverified Commit cc0fb551 authored Oct 25, 2024 by openeuler-ci-bot Committed by Gitee Oct 25, 2024

!12394 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/V4SAI35BUWF7P5FRB4K3QMUPYONT2VQP/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRAT 
 
Link:https://gitee.com/openeuler/kernel/pulls/12394

 

Reviewed-by: Xu Kuohai <xukuohai@huawei.com>
Reviewed-by: Ye Weihua <yeweihua4@huawei.com>
Signed-off-by: Zhang Peng <zhangpeng362@huawei.com>

parents 0542be79 dbc510f3

kernel/trace/trace_osnoise.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2094,6 +2094,8 @@ static void osnoise_hotplug_workfn(struct work_struct *dummy)
		mutex_lock(&interface_lock);
		cpus_read_lock();

		if (!cpu_online(cpu))
		goto out_unlock;
		if (!cpumask_test_cpu(cpu, &osnoise_cpumask))
		goto out_unlock;