[MTD] MTD_DEBUG always does compile-time typechecks

[linux-2.6-omap-h63xx.git] / kernel / sched_rt.c

diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index d3d1cccb3d7b3a2b4dac15be9a8ee53bcf35ee2d..908c04f9dad02d23df66fbc55a28f5619fc10081 100644 (file)
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -240,7 +240,7 @@ static int do_balance_runtime(struct rt_rq *rt_rq)
 
        spin_lock(&rt_b->rt_runtime_lock);
        rt_period = ktime_to_ns(rt_b->rt_period);
-       for_each_cpu_mask(i, rd->span) {
+       for_each_cpu_mask_nr(i, rd->span) {
                struct rt_rq *iter = sched_rt_period_rt_rq(rt_b, i);
                s64 diff;
 
@@ -253,7 +253,7 @@ static int do_balance_runtime(struct rt_rq *rt_rq)
 
                diff = iter->rt_runtime - iter->rt_time;
                if (diff > 0) {
-                       do_div(diff, weight);
+                       diff = div_u64((u64)diff, weight);
                        if (rt_rq->rt_runtime + diff > rt_period)
                                diff = rt_period - rt_rq->rt_runtime;
                        iter->rt_runtime -= diff;
@@ -505,7 +505,9 @@ void inc_rt_tasks(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
        rt_rq->rt_nr_running++;
 #if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED
        if (rt_se_prio(rt_se) < rt_rq->highest_prio) {
+#ifdef CONFIG_SMP
                struct rq *rq = rq_of_rt_rq(rt_rq);
+#endif
 
                rt_rq->highest_prio = rt_se_prio(rt_se);
 #ifdef CONFIG_SMP
@@ -933,6 +935,13 @@ static int find_lowest_rq(struct task_struct *task)
        if (!cpupri_find(&task_rq(task)->rd->cpupri, task, lowest_mask))
                return -1; /* No targets found */
 
+       /*
+        * Only consider CPUs that are usable for migration.
+        * I guess we might want to change cpupri_find() to ignore those
+        * in the first place.
+        */
+       cpus_and(*lowest_mask, *lowest_mask, cpu_active_map);
+
        /*
         * At this point we have built a mask of cpus representing the
         * lowest priority tasks in the system.  Now we want to elect
@@ -1119,7 +1128,7 @@ static int pull_rt_task(struct rq *this_rq)
 
        next = pick_next_task_rt(this_rq);
 
-       for_each_cpu_mask(cpu, this_rq->rd->rto_mask) {
+       for_each_cpu_mask_nr(cpu, this_rq->rd->rto_mask) {
                if (this_cpu == cpu)
                        continue;