diff options
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 6185fa080ec8..97cab609fc31 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1952,6 +1952,8 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev) prev_state = prev->state; finish_arch_switch(prev); finish_lock_switch(rq, prev); + schedule_tail_balance_rt(rq); + fire_sched_in_preempt_notifiers(current); if (mm) mmdrop(mm); @@ -2185,11 +2187,13 @@ static void double_rq_unlock(struct rq *rq1, struct rq *rq2) /* * double_lock_balance - lock the busiest runqueue, this_rq is locked already. */ -static void double_lock_balance(struct rq *this_rq, struct rq *busiest) +static int double_lock_balance(struct rq *this_rq, struct rq *busiest) __releases(this_rq->lock) __acquires(busiest->lock) __acquires(this_rq->lock) { + int ret = 0; + if (unlikely(!irqs_disabled())) { /* printk() doesn't work good under rq->lock */ spin_unlock(&this_rq->lock); @@ -2200,9 +2204,11 @@ static void double_lock_balance(struct rq *this_rq, struct rq *busiest) spin_unlock(&this_rq->lock); spin_lock(&busiest->lock); spin_lock(&this_rq->lock); + ret = 1; } else spin_lock(&busiest->lock); } + return ret; } /* |