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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2012-10-12 20:52:06 +0530 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2012-10-12 20:52:06 +0530 |
| commit | 8ebbceb071c40f0ea667878a96779deb1f36c746 (patch) | |
| tree | 40ca9cd2f9733036e0113824e1927e8e24a32acd | |
| parent | 2027d925f44d49835beff1b4917d8fd91f8805d7 (diff) | |
| parent | e2d8c1f52f5e3174c7c05332901e6f524c79ac1e (diff) | |
| download | vexpress-lsk-8ebbceb071c40f0ea667878a96779deb1f36c746.tar.gz | |
Merge branch 'task-placement-v2' into big-LITTLE-MP-v10big-LITTLE-MP-v10
This merge adds two fixup patches from tixy & morten on task-placement-v2
branch.
| -rw-r--r-- | arch/arm/kernel/topology.c | 10 | ||||
| -rw-r--r-- | kernel/sched/fair.c | 5 |
2 files changed, 10 insertions, 5 deletions
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index 58dac7a80e5..0b512331c0f 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -396,10 +396,12 @@ void __init arch_get_hmp_domains(struct list_head *hmp_domains_list) * Must be ordered with respect to compute capacity. * Fastest domain at head of list. */ - domain = (struct hmp_domain *) - kmalloc(sizeof(struct hmp_domain), GFP_KERNEL); - cpumask_copy(&domain->cpus, &hmp_slow_cpu_mask); - list_add(&domain->hmp_domains, hmp_domains_list); + if(!cpumask_empty(&hmp_slow_cpu_mask)) { + domain = (struct hmp_domain *) + kmalloc(sizeof(struct hmp_domain), GFP_KERNEL); + cpumask_copy(&domain->cpus, &hmp_slow_cpu_mask); + list_add(&domain->hmp_domains, hmp_domains_list); + } domain = (struct hmp_domain *) kmalloc(sizeof(struct hmp_domain), GFP_KERNEL); cpumask_copy(&domain->cpus, &hmp_fast_cpu_mask); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index e9dd53cedc7..970026bda81 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5587,8 +5587,11 @@ static unsigned int hmp_down_migration(int cpu, struct sched_entity *se) #ifdef CONFIG_SCHED_HMP_PRIO_FILTER /* Filter by task priority */ - if (p->prio >= hmp_up_prio) + if ((p->prio >= hmp_up_prio) && + cpumask_intersects(&hmp_slower_domain(cpu)->cpus, + tsk_cpus_allowed(p))) { return 1; + } #endif /* Let the task load settle before doing another down migration */ |