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

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

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


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