Merge remote-tracking branches 'asoc/fix/atmel', 'asoc/fix/fsl', 'asoc/fix/tegra...
[linux-drm-fsl-dcu.git] / kernel / sched / core.c
index c1808606ee5f0f4e48e2fc51380369ba248bd9fe..e85cda20ab2b8ed6694d1cfa4a617b1bf231569d 100644 (file)
@@ -2660,6 +2660,7 @@ asmlinkage void __sched notrace preempt_schedule(void)
        } while (need_resched());
 }
 EXPORT_SYMBOL(preempt_schedule);
+#endif /* CONFIG_PREEMPT */
 
 /*
  * this is the entry point to schedule() from kernel preemption
@@ -2693,8 +2694,6 @@ asmlinkage void __sched preempt_schedule_irq(void)
        exception_exit(prev_state);
 }
 
-#endif /* CONFIG_PREEMPT */
-
 int default_wake_function(wait_queue_t *curr, unsigned mode, int wake_flags,
                          void *key)
 {
@@ -4762,7 +4761,7 @@ static void rq_attach_root(struct rq *rq, struct root_domain *rd)
                cpumask_clear_cpu(rq->cpu, old_rd->span);
 
                /*
-                * If we dont want to free the old_rt yet then
+                * If we dont want to free the old_rd yet then
                 * set old_rd to NULL to skip the freeing later
                 * in this function:
                 */
@@ -4910,8 +4909,9 @@ static void update_top_cache_domain(int cpu)
        if (sd) {
                id = cpumask_first(sched_domain_span(sd));
                size = cpumask_weight(sched_domain_span(sd));
-               rcu_assign_pointer(per_cpu(sd_busy, cpu), sd->parent);
+               sd = sd->parent; /* sd_busy */
        }
+       rcu_assign_pointer(per_cpu(sd_busy, cpu), sd);
 
        rcu_assign_pointer(per_cpu(sd_llc, cpu), sd);
        per_cpu(sd_llc_size, cpu) = size;