Unverified Commit cf2950c7 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4407 sched/topology: Fix cpus hotplug deadlock in check_node_limit() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Cheng Yu <serein.chengyu@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/EGEJMUNCSJ7BJIHOOHI5FZSYB4I2H42A/ 
 
https://gitee.com/openeuler/kernel/issues/I8ZBLR 
 
Link:https://gitee.com/openeuler/kernel/pulls/4407

 

Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents b97e28ba 40770d83

kernel/sched/topology.c

+1 −1
Original line number Diff line number Diff line
@@ -1880,7 +1880,7 @@ static void check_node_limit(void) 
	if (sched_steal_node_limit == 0)

		sched_steal_node_limit = SCHED_STEAL_NODE_LIMIT_DEFAULT;

	if (n > sched_steal_node_limit) {

		static_branch_disable(&sched_steal_allow);

		static_branch_disable_cpuslocked(&sched_steal_allow);

		pr_debug("Suppressing sched STEAL. To enable, reboot with sched_steal_node_limit=%d", n);

	}

}