aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/sched_idletask.c
diff options
context:
space:
mode:
authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-11-15 17:14:39 +0100
committerIngo Molnar <mingo@elte.hu>2011-11-17 12:20:22 +0100
commit391e43da797a96aeb65410281891f6d0b0e9611c (patch)
tree0ce6784525a5a8f75b377170cf1a7d60abccea29 /kernel/sched_idletask.c
parentsched: Make separate sched*.c translation units (diff)
downloadlinux-dev-391e43da797a96aeb65410281891f6d0b0e9611c.tar.xz
linux-dev-391e43da797a96aeb65410281891f6d0b0e9611c.zip
sched: Move all scheduler bits into kernel/sched/
There's too many sched*.[ch] files in kernel/, give them their own directory. (No code changed, other than Makefile glue added.) Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_idletask.c')
-rw-r--r--kernel/sched_idletask.c99
1 files changed, 0 insertions, 99 deletions
diff --git a/kernel/sched_idletask.c b/kernel/sched_idletask.c
deleted file mode 100644
index 91b4c957f289..000000000000
--- a/kernel/sched_idletask.c
+++ /dev/null
@@ -1,99 +0,0 @@
-#include "sched.h"
-
-/*
- * idle-task scheduling class.
- *
- * (NOTE: these are not related to SCHED_IDLE tasks which are
- * handled in sched_fair.c)
- */
-
-#ifdef CONFIG_SMP
-static int
-select_task_rq_idle(struct task_struct *p, int sd_flag, int flags)
-{
- return task_cpu(p); /* IDLE tasks as never migrated */
-}
-#endif /* CONFIG_SMP */
-/*
- * Idle tasks are unconditionally rescheduled:
- */
-static void check_preempt_curr_idle(struct rq *rq, struct task_struct *p, int flags)
-{
- resched_task(rq->idle);
-}
-
-static struct task_struct *pick_next_task_idle(struct rq *rq)
-{
- schedstat_inc(rq, sched_goidle);
- calc_load_account_idle(rq);
- return rq->idle;
-}
-
-/*
- * It is not legal to sleep in the idle task - print a warning
- * message if some code attempts to do it:
- */
-static void
-dequeue_task_idle(struct rq *rq, struct task_struct *p, int flags)
-{
- raw_spin_unlock_irq(&rq->lock);
- printk(KERN_ERR "bad: scheduling from the idle thread!\n");
- dump_stack();
- raw_spin_lock_irq(&rq->lock);
-}
-
-static void put_prev_task_idle(struct rq *rq, struct task_struct *prev)
-{
-}
-
-static void task_tick_idle(struct rq *rq, struct task_struct *curr, int queued)
-{
-}
-
-static void set_curr_task_idle(struct rq *rq)
-{
-}
-
-static void switched_to_idle(struct rq *rq, struct task_struct *p)
-{
- BUG();
-}
-
-static void
-prio_changed_idle(struct rq *rq, struct task_struct *p, int oldprio)
-{
- BUG();
-}
-
-static unsigned int get_rr_interval_idle(struct rq *rq, struct task_struct *task)
-{
- return 0;
-}
-
-/*
- * Simple, special scheduling class for the per-CPU idle tasks:
- */
-const struct sched_class idle_sched_class = {
- /* .next is NULL */
- /* no enqueue/yield_task for idle tasks */
-
- /* dequeue is not valid, we print a debug message there: */
- .dequeue_task = dequeue_task_idle,
-
- .check_preempt_curr = check_preempt_curr_idle,
-
- .pick_next_task = pick_next_task_idle,
- .put_prev_task = put_prev_task_idle,
-
-#ifdef CONFIG_SMP
- .select_task_rq = select_task_rq_idle,
-#endif
-
- .set_curr_task = set_curr_task_idle,
- .task_tick = task_tick_idle,
-
- .get_rr_interval = get_rr_interval_idle,
-
- .prio_changed = prio_changed_idle,
- .switched_to = switched_to_idle,
-};