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genirq: use iterators for irq_desc loops

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Use for_each_irq_desc[_reverse] for all the iteration loops.

Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Thomas Gleixner 2008-10-16 14:19:04 +02:00 • committed by Ingo Molnar
commit 10e580842e
3 changed files with 21 additions and 43 deletions
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14
drivers/xen/events.c
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@ -137,14 +137,12 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
static void init_evtchn_cpu_bindings(void)
{
#ifdef CONFIG_SMP
struct irq_desc *desc;
int i;
/* By default all event channels notify CPU#0. */
for (i = 0; i < nr_irqs; i++) {
struct irq_desc *desc = irq_to_desc(i);
if (!desc)
continue;
for_each_irq_desc(i, desc)
desc->affinity = cpumask_of_cpu(0);
}
#endif
memset(cpu_evtchn, 0, sizeof(cpu_evtchn));
@ -233,7 +231,7 @@ static int find_unbound_irq(void)
int irq;
/* Only allocate from dynirq range */
for (irq = 0; irq < nr_irqs; irq++)
for_each_irq_nr(irq)
if (irq_bindcount[irq] == 0)
break;
@ -794,7 +792,7 @@ void xen_irq_resume(void)
mask_evtchn(evtchn);
/* No IRQ <-> event-channel mappings. */
for (irq = 0; irq < nr_irqs; irq++)
for_each_irq_nr(irq)
irq_info[irq].evtchn = 0; /* zap event-channel binding */
for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++)
@ -826,7 +824,7 @@ void __init xen_init_IRQ(void)
mask_evtchn(i);
/* Dynamic IRQ space is currently unbound. Zero the refcnts. */
for (i = 0; i < nr_irqs; i++)
for_each_irq_nr(i)
irq_bindcount[i] = 0;
irq_ctx_init(smp_processor_id());