On Tue, 18 Nov 2014 00:11:03 +0800

> index 539ca3c..9a69353
> --- a/kernel/sched/cpudeadline.c
> +++ b/kernel/sched/cpudeadline.c
> @@ -107,7 +107,9 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p,
>       int best_cpu = -1;
>       const struct sched_dl_entity *dl_se = &p->dl;
>  
> -     if (later_mask && cpumask_and(later_mask, later_mask, cp->free_cpus)) {
> +     if (later_mask && cpumask_and(later_mask, cp->free_cpus,
> +                     &p->cpus_allowed) && cpumask_and(later_mask,
> +                     later_mask, cpu_active_mask)) {

I did a quick review of this patch, and it looks fine to me. But the
above looks ugly. Please change it to something more readable like:

        if (later_mask &&
            cpumask_and(later_mask, cp->free_cpus, &p->cpus_allowed) &&
            cpumask_and(later_mask, later_mask, cpu_active_mask)) {

Thanks,

-- Steve


>               best_cpu = cpumask_any(later_mask);
>               goto out;
>       } else if (cpumask_test_cpu(cpudl_maximum(cp), &p->cpus_allowed) &&
> @@ -186,6 +188,17 @@ out:
>  }
>  

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