Merge 4.4.166 into android-4.4-p

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / kernel / sched / core.c

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a767432..328e17d 100644 (file)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -74,6 +74,7 @@
 #include <linux/binfmts.h>
 #include <linux/context_tracking.h>
 #include <linux/compiler.h>
+#include <linux/cpufreq_times.h>
 
 #include <asm/switch_to.h>
 #include <asm/tlb.h>
@@ -620,7 +621,8 @@ void resched_cpu(int cpu)
        unsigned long flags;
 
        raw_spin_lock_irqsave(&rq->lock, flags);
-       resched_curr(rq);
+       if (cpu_online(cpu) || cpu == smp_processor_id())
+               resched_curr(rq);
        raw_spin_unlock_irqrestore(&rq->lock, flags);
 }
 
@@ -3942,8 +3944,8 @@ static int __sched_setscheduler(struct task_struct *p,
        struct rq *rq;
        int reset_on_fork;
 
-       /* may grab non-irq protected spin_locks */
-       BUG_ON(in_interrupt());
+       /* The pi code expects interrupts enabled */
+       BUG_ON(pi && in_interrupt());
 recheck:
        /* double check policy once rq lock held */
        if (policy < 0) {
@@ -8142,11 +8144,9 @@ void sched_destroy_group(struct task_group *tg)
 void sched_offline_group(struct task_group *tg)
 {
        unsigned long flags;
-       int i;
 
        /* end participation in shares distribution */
-       for_each_possible_cpu(i)
-               unregister_fair_sched_group(tg, i);
+       unregister_fair_sched_group(tg);
 
        spin_lock_irqsave(&task_group_lock, flags);
        list_del_rcu(&tg->list);