diff options
| -rw-r--r-- | arch/arm/kernel/topology.c | 3 | ||||
| -rw-r--r-- | kernel/sched/core.c | 9 |
2 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index 9047dd1c5a1..4459c0b4e91 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -367,10 +367,11 @@ void __init arch_get_fast_and_slow_cpus(struct cpumask *fast, cpumask_clear(slow); } +struct cpumask hmp_slow_cpu_mask; + void __init arch_get_hmp_domains(struct list_head *hmp_domains_list) { struct cpumask hmp_fast_cpu_mask; - struct cpumask hmp_slow_cpu_mask; struct hmp_domain *domain; arch_get_fast_and_slow_cpus(&hmp_fast_cpu_mask, &hmp_slow_cpu_mask); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4c53da3781e..50d9e9849ce 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3827,6 +3827,8 @@ static struct task_struct *find_process_by_pid(pid_t pid) return pid ? find_task_by_vpid(pid) : current; } +extern struct cpumask hmp_slow_cpu_mask; + /* Actually do priority change: must hold rq lock. */ static void __setscheduler(struct rq *rq, struct task_struct *p, int policy, int prio) @@ -3836,8 +3838,13 @@ __setscheduler(struct rq *rq, struct task_struct *p, int policy, int prio) p->normal_prio = normal_prio(p); /* we are holding p->pi_lock already */ p->prio = rt_mutex_getprio(p); - if (rt_prio(p->prio)) + if (rt_prio(p->prio)) { p->sched_class = &rt_sched_class; +#ifdef CONFIG_SCHED_HMP + if (cpumask_equal(&p->cpus_allowed, cpu_all_mask)) + do_set_cpus_allowed(p, &hmp_slow_cpu_mask); +#endif + } else p->sched_class = &fair_sched_class; set_load_weight(p); |