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authorThomas Gleixner <tglx@linutronix.de>2008-10-16 14:19:04 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-16 16:53:30 +0200
commit10e580842ec8e53dddf62e1ab1871f4906477376 (patch)
tree5793b45755f21f578ff4b06a3a3546b3de5eb8f4 /drivers/xen/events.c
parent2be3b52a5785a6a5c5349fbd315f57595f7074be (diff)
downloadlinux-10e580842ec8e53dddf62e1ab1871f4906477376.tar.gz
genirq: use iterators for irq_desc loops
Use for_each_irq_desc[_reverse] for all the iteration loops.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/xen/events.c')
-rw-r--r--drivers/xen/events.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index e6d47e8ca1ac..9ce1ab6c268d 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -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());