diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c index 50316455ea66..46c1b5e41edf 100644 --- a/kernel/sched/cpudeadline.c +++ b/kernel/sched/cpudeadline.c @@ -124,7 +124,8 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p, const struct sched_dl_entity *dl_se = &p->dl; if (later_mask && - cpumask_and(later_mask, cp->free_cpus, &p->cpus_allowed)) { + cpumask_and(later_mask, cp->free_cpus, &p->cpus_allowed) && + cpumask_and(later_mask, later_mask, cpu_active_mask)) { return 1; } else { int best_cpu = cpudl_maximum(cp); @@ -132,6 +133,7 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p, WARN_ON(best_cpu != -1 && !cpu_present(best_cpu)); if (cpumask_test_cpu(best_cpu, &p->cpus_allowed) && + cpumask_test_cpu(best_cpu, cpu_active_mask) && dl_time_before(dl_se->deadline, cp->elements[0].dl)) { if (later_mask) cpumask_set_cpu(best_cpu, later_mask);