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authorThomas Gleixner <tglx@linutronix.de>2011-05-14 06:06:36 -0400
committerThomas Gleixner <tglx@linutronix.de>2011-05-14 06:06:36 -0400
commita18f22a968de17b29f2310cdb7ba69163e65ec15 (patch)
treea7d56d88fad5e444d7661484109758a2f436129e /kernel/sched_idletask.c
parenta1c57e0fec53defe745e64417eacdbd3618c3e66 (diff)
parent798778b8653f64b7b2162ac70eca10367cff6ce8 (diff)
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts: arch/ia64/kernel/cyclone.c arch/mips/kernel/i8253.c arch/x86/kernel/i8253.c Reason: Resolve conflicts so further cleanups do not conflict further Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/sched_idletask.c')
-rw-r--r--kernel/sched_idletask.c28
1 files changed, 5 insertions, 23 deletions
diff --git a/kernel/sched_idletask.c b/kernel/sched_idletask.c
index 9fa0f402c87c..a776a6396427 100644
--- a/kernel/sched_idletask.c
+++ b/kernel/sched_idletask.c
@@ -52,31 +52,15 @@ static void set_curr_task_idle(struct rq *rq)
52{ 52{
53} 53}
54 54
55static void switched_to_idle(struct rq *rq, struct task_struct *p, 55static void switched_to_idle(struct rq *rq, struct task_struct *p)
56 int running)
57{ 56{
58 /* Can this actually happen?? */ 57 BUG();
59 if (running)
60 resched_task(rq->curr);
61 else
62 check_preempt_curr(rq, p, 0);
63} 58}
64 59
65static void prio_changed_idle(struct rq *rq, struct task_struct *p, 60static void
66 int oldprio, int running) 61prio_changed_idle(struct rq *rq, struct task_struct *p, int oldprio)
67{ 62{
68 /* This can happen for hot plug CPUS */ 63 BUG();
69
70 /*
71 * Reschedule if we are currently running on this runqueue and
72 * our priority decreased, or if we are not currently running on
73 * this runqueue and our priority is higher than the current's
74 */
75 if (running) {
76 if (p->prio > oldprio)
77 resched_task(rq->curr);
78 } else
79 check_preempt_curr(rq, p, 0);
80} 64}
81 65
82static unsigned int get_rr_interval_idle(struct rq *rq, struct task_struct *task) 66static unsigned int get_rr_interval_idle(struct rq *rq, struct task_struct *task)
@@ -110,6 +94,4 @@ static const struct sched_class idle_sched_class = {
110 94
111 .prio_changed = prio_changed_idle, 95 .prio_changed = prio_changed_idle,
112 .switched_to = switched_to_idle, 96 .switched_to = switched_to_idle,
113
114 /* no .task_new for idle tasks */
115}; 97};