Merge remote branch 'linus/master'

[powerpc.git] / kernel / sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index ba4c880..3eedd52 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1255,12 +1255,12 @@ static int task_hot(struct task_struct *p, u64 now, struct sched_domain *sd);
 
 #define sched_class_highest (&rt_sched_class)
 
-static void inc_nr_running(struct task_struct *p, struct rq *rq)
+static void inc_nr_running(struct rq *rq)
 {
        rq->nr_running++;
 }
 
-static void dec_nr_running(struct task_struct *p, struct rq *rq)
+static void dec_nr_running(struct rq *rq)
 {
        rq->nr_running--;
 }
@@ -1350,11 +1350,11 @@ static int effective_prio(struct task_struct *p)
  */
 static void activate_task(struct rq *rq, struct task_struct *p, int wakeup)
 {
-       if (p->state == TASK_UNINTERRUPTIBLE)
+       if (task_contributes_to_load(p))
                rq->nr_uninterruptible--;
 
        enqueue_task(rq, p, wakeup);
-       inc_nr_running(p, rq);
+       inc_nr_running(rq);
 }
 
 /*
@@ -1362,11 +1362,11 @@ static void activate_task(struct rq *rq, struct task_struct *p, int wakeup)
  */
 static void deactivate_task(struct rq *rq, struct task_struct *p, int sleep)
 {
-       if (p->state == TASK_UNINTERRUPTIBLE)
+       if (task_contributes_to_load(p))
                rq->nr_uninterruptible++;
 
        dequeue_task(rq, p, sleep);
-       dec_nr_running(p, rq);
+       dec_nr_running(rq);
 }
 
 /**
@@ -1893,14 +1893,13 @@ out:
        return success;
 }
 
-int fastcall wake_up_process(struct task_struct *p)
+int wake_up_process(struct task_struct *p)
 {
-       return try_to_wake_up(p, TASK_STOPPED | TASK_TRACED |
-                                TASK_INTERRUPTIBLE | TASK_UNINTERRUPTIBLE, 0);
+       return try_to_wake_up(p, TASK_ALL, 0);
 }
 EXPORT_SYMBOL(wake_up_process);
 
-int fastcall wake_up_state(struct task_struct *p, unsigned int state)
+int wake_up_state(struct task_struct *p, unsigned int state)
 {
        return try_to_wake_up(p, state, 0);
 }
@@ -1987,7 +1986,7 @@ void sched_fork(struct task_struct *p, int clone_flags)
  * that must be done for every newly created context, then puts the task
  * on the runqueue and wakes it.
  */
-void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
+void wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
 {
        unsigned long flags;
        struct rq *rq;
@@ -2006,7 +2005,7 @@ void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
                 * management (if any):
                 */
                p->sched_class->task_new(rq, p);
-               inc_nr_running(p, rq);
+               inc_nr_running(rq);
        }
        check_preempt_curr(rq, p);
 #ifdef CONFIG_SMP
@@ -3754,7 +3753,7 @@ void scheduler_tick(void)
 
 #if defined(CONFIG_PREEMPT) && defined(CONFIG_DEBUG_PREEMPT)
 
-void fastcall add_preempt_count(int val)
+void add_preempt_count(int val)
 {
        /*
         * Underflow?
@@ -3770,7 +3769,7 @@ void fastcall add_preempt_count(int val)
 }
 EXPORT_SYMBOL(add_preempt_count);
 
-void fastcall sub_preempt_count(int val)
+void sub_preempt_count(int val)
 {
        /*
         * Underflow?
@@ -4068,7 +4067,7 @@ static void __wake_up_common(wait_queue_head_t *q, unsigned int mode,
  * @nr_exclusive: how many wake-one or wake-many threads to wake up
  * @key: is directly passed to the wakeup function
  */
-void fastcall __wake_up(wait_queue_head_t *q, unsigned int mode,
+void __wake_up(wait_queue_head_t *q, unsigned int mode,
                        int nr_exclusive, void *key)
 {
        unsigned long flags;
@@ -4082,7 +4081,7 @@ EXPORT_SYMBOL(__wake_up);
 /*
  * Same as __wake_up but called with the spinlock in wait_queue_head_t held.
  */
-void fastcall __wake_up_locked(wait_queue_head_t *q, unsigned int mode)
+void __wake_up_locked(wait_queue_head_t *q, unsigned int mode)
 {
        __wake_up_common(q, mode, 1, 0, NULL);
 }
@@ -4100,7 +4099,7 @@ void fastcall __wake_up_locked(wait_queue_head_t *q, unsigned int mode)
  *
  * On UP it can prevent extra preemption.
  */
-void fastcall
+void
 __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr_exclusive)
 {
        unsigned long flags;
@@ -4124,8 +4123,7 @@ void complete(struct completion *x)
 
        spin_lock_irqsave(&x->wait.lock, flags);
        x->done++;
-       __wake_up_common(&x->wait, TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE,
-                        1, 0, NULL);
+       __wake_up_common(&x->wait, TASK_NORMAL, 1, 0, NULL);
        spin_unlock_irqrestore(&x->wait.lock, flags);
 }
 EXPORT_SYMBOL(complete);
@@ -4136,8 +4134,7 @@ void complete_all(struct completion *x)
 
        spin_lock_irqsave(&x->wait.lock, flags);
        x->done += UINT_MAX/2;
-       __wake_up_common(&x->wait, TASK_UNINTERRUPTIBLE | TASK_INTERRUPTIBLE,
-                        0, 0, NULL);
+       __wake_up_common(&x->wait, TASK_NORMAL, 0, 0, NULL);
        spin_unlock_irqrestore(&x->wait.lock, flags);
 }
 EXPORT_SYMBOL(complete_all);
@@ -4151,8 +4148,10 @@ do_wait_for_common(struct completion *x, long timeout, int state)
                wait.flags |= WQ_FLAG_EXCLUSIVE;
                __add_wait_queue_tail(&x->wait, &wait);
                do {
-                       if (state == TASK_INTERRUPTIBLE &&
-                           signal_pending(current)) {
+                       if ((state == TASK_INTERRUPTIBLE &&
+                            signal_pending(current)) ||
+                           (state == TASK_KILLABLE &&
+                            fatal_signal_pending(current))) {
                                __remove_wait_queue(&x->wait, &wait);
                                return -ERESTARTSYS;
                        }
@@ -4212,6 +4211,15 @@ wait_for_completion_interruptible_timeout(struct completion *x,
 }
 EXPORT_SYMBOL(wait_for_completion_interruptible_timeout);
 
+int __sched wait_for_completion_killable(struct completion *x)
+{
+       long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_KILLABLE);
+       if (t == -ERESTARTSYS)
+               return t;
+       return 0;
+}
+EXPORT_SYMBOL(wait_for_completion_killable);
+
 static long __sched
 sleep_on_common(wait_queue_head_t *q, int state, long timeout)
 {