OMAP3+: OPP: Replace voltage values with Macros
[pandora-kernel.git] / kernel / softirq.c
index d4d918a..68eb5ef 100644 (file)
@@ -70,7 +70,7 @@ char *softirq_to_name[NR_SOFTIRQS] = {
 static void wakeup_softirqd(void)
 {
        /* Interrupts are disabled: no need to stop preemption */
-       struct task_struct *tsk = __get_cpu_var(ksoftirqd);
+       struct task_struct *tsk = __this_cpu_read(ksoftirqd);
 
        if (tsk && tsk->state != TASK_RUNNING)
                wake_up_process(tsk);
@@ -388,8 +388,8 @@ void __tasklet_schedule(struct tasklet_struct *t)
 
        local_irq_save(flags);
        t->next = NULL;
-       *__get_cpu_var(tasklet_vec).tail = t;
-       __get_cpu_var(tasklet_vec).tail = &(t->next);
+       *__this_cpu_read(tasklet_vec.tail) = t;
+       __this_cpu_write(tasklet_vec.tail, &(t->next));
        raise_softirq_irqoff(TASKLET_SOFTIRQ);
        local_irq_restore(flags);
 }
@@ -402,8 +402,8 @@ void __tasklet_hi_schedule(struct tasklet_struct *t)
 
        local_irq_save(flags);
        t->next = NULL;
-       *__get_cpu_var(tasklet_hi_vec).tail = t;
-       __get_cpu_var(tasklet_hi_vec).tail = &(t->next);
+       *__this_cpu_read(tasklet_hi_vec.tail) = t;
+       __this_cpu_write(tasklet_hi_vec.tail,  &(t->next));
        raise_softirq_irqoff(HI_SOFTIRQ);
        local_irq_restore(flags);
 }
@@ -414,8 +414,8 @@ void __tasklet_hi_schedule_first(struct tasklet_struct *t)
 {
        BUG_ON(!irqs_disabled());
 
-       t->next = __get_cpu_var(tasklet_hi_vec).head;
-       __get_cpu_var(tasklet_hi_vec).head = t;
+       t->next = __this_cpu_read(tasklet_hi_vec.head);
+       __this_cpu_write(tasklet_hi_vec.head, t);
        __raise_softirq_irqoff(HI_SOFTIRQ);
 }
 
@@ -426,9 +426,9 @@ static void tasklet_action(struct softirq_action *a)
        struct tasklet_struct *list;
 
        local_irq_disable();
-       list = __get_cpu_var(tasklet_vec).head;
-       __get_cpu_var(tasklet_vec).head = NULL;
-       __get_cpu_var(tasklet_vec).tail = &__get_cpu_var(tasklet_vec).head;
+       list = __this_cpu_read(tasklet_vec.head);
+       __this_cpu_write(tasklet_vec.head, NULL);
+       __this_cpu_write(tasklet_vec.tail, &__get_cpu_var(tasklet_vec).head);
        local_irq_enable();
 
        while (list) {
@@ -449,8 +449,8 @@ static void tasklet_action(struct softirq_action *a)
 
                local_irq_disable();
                t->next = NULL;
-               *__get_cpu_var(tasklet_vec).tail = t;
-               __get_cpu_var(tasklet_vec).tail = &(t->next);
+               *__this_cpu_read(tasklet_vec.tail) = t;
+               __this_cpu_write(tasklet_vec.tail, &(t->next));
                __raise_softirq_irqoff(TASKLET_SOFTIRQ);
                local_irq_enable();
        }
@@ -461,9 +461,9 @@ static void tasklet_hi_action(struct softirq_action *a)
        struct tasklet_struct *list;
 
        local_irq_disable();
-       list = __get_cpu_var(tasklet_hi_vec).head;
-       __get_cpu_var(tasklet_hi_vec).head = NULL;
-       __get_cpu_var(tasklet_hi_vec).tail = &__get_cpu_var(tasklet_hi_vec).head;
+       list = __this_cpu_read(tasklet_hi_vec.head);
+       __this_cpu_write(tasklet_hi_vec.head, NULL);
+       __this_cpu_write(tasklet_hi_vec.tail, &__get_cpu_var(tasklet_hi_vec).head);
        local_irq_enable();
 
        while (list) {
@@ -484,8 +484,8 @@ static void tasklet_hi_action(struct softirq_action *a)
 
                local_irq_disable();
                t->next = NULL;
-               *__get_cpu_var(tasklet_hi_vec).tail = t;
-               __get_cpu_var(tasklet_hi_vec).tail = &(t->next);
+               *__this_cpu_read(tasklet_hi_vec.tail) = t;
+               __this_cpu_write(tasklet_hi_vec.tail, &(t->next));
                __raise_softirq_irqoff(HI_SOFTIRQ);
                local_irq_enable();
        }
@@ -802,16 +802,16 @@ static void takeover_tasklets(unsigned int cpu)
 
        /* Find end, append list for that CPU. */
        if (&per_cpu(tasklet_vec, cpu).head != per_cpu(tasklet_vec, cpu).tail) {
-               *(__get_cpu_var(tasklet_vec).tail) = per_cpu(tasklet_vec, cpu).head;
-               __get_cpu_var(tasklet_vec).tail = per_cpu(tasklet_vec, cpu).tail;
+               *__this_cpu_read(tasklet_vec.tail) = per_cpu(tasklet_vec, cpu).head;
+               this_cpu_write(tasklet_vec.tail, per_cpu(tasklet_vec, cpu).tail);
                per_cpu(tasklet_vec, cpu).head = NULL;
                per_cpu(tasklet_vec, cpu).tail = &per_cpu(tasklet_vec, cpu).head;
        }
        raise_softirq_irqoff(TASKLET_SOFTIRQ);
 
        if (&per_cpu(tasklet_hi_vec, cpu).head != per_cpu(tasklet_hi_vec, cpu).tail) {
-               *__get_cpu_var(tasklet_hi_vec).tail = per_cpu(tasklet_hi_vec, cpu).head;
-               __get_cpu_var(tasklet_hi_vec).tail = per_cpu(tasklet_hi_vec, cpu).tail;
+               *__this_cpu_read(tasklet_hi_vec.tail) = per_cpu(tasklet_hi_vec, cpu).head;
+               __this_cpu_write(tasklet_hi_vec.tail, per_cpu(tasklet_hi_vec, cpu).tail);
                per_cpu(tasklet_hi_vec, cpu).head = NULL;
                per_cpu(tasklet_hi_vec, cpu).tail = &per_cpu(tasklet_hi_vec, cpu).head;
        }
@@ -853,7 +853,7 @@ static int __cpuinit cpu_callback(struct notifier_block *nfb,
                             cpumask_any(cpu_online_mask));
        case CPU_DEAD:
        case CPU_DEAD_FROZEN: {
-               static struct sched_param param = {
+               static const struct sched_param param = {
                        .sched_priority = MAX_RT_PRIO-1
                };
 
@@ -885,25 +885,6 @@ static __init int spawn_ksoftirqd(void)
 }
 early_initcall(spawn_ksoftirqd);
 
-#ifdef CONFIG_SMP
-/*
- * Call a function on all processors
- */
-int on_each_cpu(void (*func) (void *info), void *info, int wait)
-{
-       int ret = 0;
-
-       preempt_disable();
-       ret = smp_call_function(func, info, wait);
-       local_irq_disable();
-       func(info);
-       local_irq_enable();
-       preempt_enable();
-       return ret;
-}
-EXPORT_SYMBOL(on_each_cpu);
-#endif
-
 /*
  * [ These __weak aliases are kept in a separate compilation unit, so that
  *   GCC does not inline them incorrectly. ]