diff options
| -rw-r--r-- | kernel/sched.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 590d73b793b9..445f2d1101fc 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -594,11 +594,7 @@ struct rq { static DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); -static inline -void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags) -{ - rq->curr->sched_class->check_preempt_curr(rq, p, flags); -} +static void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags); static inline int cpu_of(struct rq *rq) { @@ -2392,6 +2388,24 @@ void task_oncpu_function_call(struct task_struct *p, preempt_enable(); } +static void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags) +{ + const struct sched_class *class; + + if (p->sched_class == rq->curr->sched_class) { + rq->curr->sched_class->check_preempt_curr(rq, p, flags); + } else { + for_each_class(class) { + if (class == rq->curr->sched_class) + break; + if (class == p->sched_class) { + resched_task(rq->curr); + break; + } + } + } +} + #ifdef CONFIG_SMP /* * ->cpus_allowed is protected by either TASK_WAKING or rq->lock held. |