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Viewing changes to kernel/sched_idletask.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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Lines of Context:
kernel/sched_idletask.c
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#ifdef CONFIG_SMP
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static int
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select_task_rq_idle(struct rq *rq, struct task_struct *p, int sd_flag, int flags)
 
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select_task_rq_idle(struct task_struct *p, int sd_flag, int flags)
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{
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        return task_cpu(p); /* IDLE tasks as never migrated */
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}
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{
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}
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static void switched_to_idle(struct rq *rq, struct task_struct *p,
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                             int running)
 
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static void switched_to_idle(struct rq *rq, struct task_struct *p)
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{
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        /* Can this actually happen?? */
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        if (running)
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                resched_task(rq->curr);
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        else
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                check_preempt_curr(rq, p, 0);
 
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        BUG();
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}
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static void prio_changed_idle(struct rq *rq, struct task_struct *p,
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                              int oldprio, int running)
 
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static void
 
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prio_changed_idle(struct rq *rq, struct task_struct *p, int oldprio)
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{
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        /* This can happen for hot plug CPUS */
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        /*
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         * Reschedule if we are currently running on this runqueue and
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         * our priority decreased, or if we are not currently running on
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         * this runqueue and our priority is higher than the current's
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         */
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        if (running) {
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                if (p->prio > oldprio)
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                        resched_task(rq->curr);
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        } else
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                check_preempt_curr(rq, p, 0);
 
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        BUG();
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}
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static unsigned int get_rr_interval_idle(struct rq *rq, struct task_struct *task)
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        .prio_changed           = prio_changed_idle,
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        .switched_to            = switched_to_idle,
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        /* no .task_new for idle tasks */
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};