[PATCH 3/5] xen: events: push setup of irq<->{evtchn,pirq} maps into irq_info init functions

[Ian Campbell]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 drivers/xen/events.c |   23 +++++++++--------------
 1 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 33fae3d..94055ea 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -137,6 +137,7 @@ static struct irq_info *info_for_irq(unsigned irq)
 
 /* Constructors for packed IRQ information. */
 static void xen_irq_info_common_init(struct irq_info *info,
+				     unsigned irq,
 				     enum xen_irq_type type,
 				     unsigned short evtchn,
 				     unsigned short cpu)
@@ -147,6 +148,8 @@ static void xen_irq_info_common_init(struct irq_info *info,
 	info->type = type;
 	info->evtchn = evtchn;
 	info->cpu = cpu;
+
+	evtchn_to_irq[evtchn] = irq;
 }
 
 static void xen_irq_info_evtchn_init(unsigned irq,
@@ -154,7 +157,7 @@ static void xen_irq_info_evtchn_init(unsigned irq,
 {
 	struct irq_info *info = info_for_irq(irq);
 
-	xen_irq_info_common_init(info, IRQT_EVTCHN, evtchn, 0);
+	xen_irq_info_common_init(info, irq, IRQT_EVTCHN, evtchn, 0);
 }
 
 static void xen_irq_info_ipi_init(unsigned irq,
@@ -163,18 +166,17 @@ static void xen_irq_info_ipi_init(unsigned irq,
 {
 	struct irq_info *info = info_for_irq(irq);
 
-	xen_irq_info_common_init(info, IRQT_IPI, evtchn, 0);
+	xen_irq_info_common_init(info, irq, IRQT_IPI, evtchn, 0);
 
 	info->u.ipi = ipi;
 }
-
 static void xen_irq_info_virq_init(unsigned irq,
 				   unsigned short evtchn,
 				   unsigned short virq)
 {
 	struct irq_info *info = info_for_irq(irq);
 
-	xen_irq_info_common_init(info, IRQT_VIRQ, evtchn, 0);
+	xen_irq_info_common_init(info, irq, IRQT_VIRQ, evtchn, 0);
 
 	info->u.virq = virq;
 }
@@ -188,12 +190,14 @@ static void xen_irq_info_pirq_init(unsigned irq,
 {
 	struct irq_info *info = info_for_irq(irq);
 
-	xen_irq_info_common_init(info, IRQT_PIRQ, evtchn, 0);
+	xen_irq_info_common_init(info, irq, IRQT_PIRQ, evtchn, 0);
 
 	info->u.pirq.pirq = pirq;
 	info->u.pirq.gsi = gsi;
 	info->u.pirq.vector = vector;
 	info->u.pirq.flags = flags;
+
+	pirq_to_irq[pirq] = irq;
 }
 
 /*
@@ -668,11 +672,9 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name)
 
 	xen_irq_info_pirq_init(irq, 0, pirq, gsi, irq_op.vector,
 			       shareable ? PIRQ_SHAREABLE : 0);
-	pirq_to_irq[pirq] = irq;
 
 out:
 	spin_unlock(&irq_mapping_update_lock);
-
 	return irq;
 }
 
@@ -696,7 +698,6 @@ void xen_allocate_pirq_msi(char *name, int *irq, int *pirq)
 				      handle_level_irq, name);
 
 	xen_irq_info_pirq_init(*irq, 0, *pirq, 0, 0, 0);
-	pirq_to_irq[*pirq] = *irq;
 
 out:
 	spin_unlock(&irq_mapping_update_lock);
@@ -811,7 +812,6 @@ int bind_evtchn_to_irq(unsigned int evtchn)
 		set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
 					      handle_fasteoi_irq, "event");
 
-		evtchn_to_irq[evtchn] = irq;
 		xen_irq_info_evtchn_init(irq, evtchn);
 	}
 
@@ -844,7 +844,6 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
 			BUG();
 		evtchn = bind_ipi.port;
 
-		evtchn_to_irq[evtchn] = irq;
 		xen_irq_info_ipi_init(irq, evtchn, ipi);
 		per_cpu(ipi_to_irq, cpu)[ipi] = irq;
 
@@ -879,7 +878,6 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
 			BUG();
 		evtchn = bind_virq.port;
 
-		evtchn_to_irq[evtchn] = irq;
 		xen_irq_info_virq_init(irq, evtchn, virq);
 
 		per_cpu(virq_to_irq, cpu)[virq] = irq;
@@ -1185,7 +1183,6 @@ void rebind_evtchn_irq(int evtchn, int irq)
 	   so there should be a proper type */
 	BUG_ON(info->type == IRQT_UNBOUND);
 
-	evtchn_to_irq[evtchn] = irq;
 	xen_irq_info_evtchn_init(irq, evtchn);
 
 	spin_unlock(&irq_mapping_update_lock);
@@ -1312,7 +1309,6 @@ static void restore_cpu_virqs(unsigned int cpu)
 		evtchn = bind_virq.port;
 
 		/* Record the new mapping. */
-		evtchn_to_irq[evtchn] = irq;
 		xen_irq_info_virq_init(irq, evtchn, virq);
 		bind_evtchn_to_cpu(evtchn, cpu);
 
@@ -1340,7 +1336,6 @@ static void restore_cpu_ipis(unsigned int cpu)
 		evtchn = bind_ipi.port;
 
 		/* Record the new mapping. */
-		evtchn_to_irq[evtchn] = irq;
 		xen_irq_info_ipi_init(irq, evtchn, ipi);
 		bind_evtchn_to_cpu(evtchn, cpu);
 
-- 
1.5.6.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/