Unverified Commit 53e3852f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10194 sched/fair: Take the scheduling domain into account in select_idle_core() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Zucheng <zhengzucheng@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/QUMJIBBU37MQ5PZOKXGYRNJSTTXW4EII/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAE7OO 
 
Link:https://gitee.com/openeuler/kernel/pulls/10194

 

Reviewed-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents c9155daa e37deb24

kernel/sched/fair.c

+2 −6
Original line number Diff line number Diff line
@@ -7223,11 +7223,7 @@ static int select_idle_core(struct task_struct *p, int core, struct cpumask *cpu 
		if (!available_idle_cpu(cpu)) {

			idle = false;

			if (*idle_cpu == -1) {

#ifdef CONFIG_TASK_PLACEMENT_BY_CPU_RANGE

				if (sched_idle_cpu(cpu) && cpumask_test_cpu(cpu, p->select_cpus)) {

#else

				if (sched_idle_cpu(cpu) && cpumask_test_cpu(cpu, p->cpus_ptr)) {

#endif

				if (sched_idle_cpu(cpu) && cpumask_test_cpu(cpu, cpus)) {

					*idle_cpu = cpu;

					break;

				}
@@ -7235,7 +7231,7 @@ static int select_idle_core(struct task_struct *p, int core, struct cpumask *cpu 
			}

			break;

		}

		if (*idle_cpu == -1 && cpumask_test_cpu(cpu, p->cpus_ptr))

		if (*idle_cpu == -1 && cpumask_test_cpu(cpu, cpus))

			*idle_cpu = cpu;

	}