Unverified Commit 45c76c86 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!3678 timer_list: avoid other cpu soft lockup when printing timer list 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yang Yingliang <yangyingliang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/OSFWR4AABBU6G3UJPXOL6YREFNWMVQPZ/ 
 
https://gitee.com/openeuler/kernel/issues/I8SDKX 
 
Link:https://gitee.com/openeuler/kernel/pulls/3678

 

Reviewed-by: default avatarXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents 693bc3a9 8a145b73

kernel/time/timer_list.c

+6 −2
Original line number Diff line number Diff line
@@ -269,13 +269,17 @@ void sysrq_timer_list_show(void) 


	timer_list_header(NULL, now);



	for_each_online_cpu(cpu)

	for_each_online_cpu(cpu) {

		touch_all_softlockup_watchdogs();

		print_cpu(NULL, cpu, now);

	}



#ifdef CONFIG_GENERIC_CLOCKEVENTS

	timer_list_show_tickdevices_header(NULL);

	for_each_online_cpu(cpu)

	for_each_online_cpu(cpu) {

		touch_all_softlockup_watchdogs();

		print_tickdevice(NULL, tick_get_device(cpu), cpu);

	}

#endif

	return;

}