[Xen-changelog] [xen-unstable] arm/vgic: initialize pending_irqs.lr_queue

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
# Date 1342542127 -3600
# Node ID 4d1ca7cd04efd635c5dbf2c419849c4fdc549ada
# Parent  10de6fc19fb928b3f5e4f2aef6dcb4dacde5d323
arm/vgic: initialize pending_irqs.lr_queue

Properly initialize all the pending_irqs.lr_queue like we do for
inflight.
Check whether we already have the irq in lr_queue before adding it.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Acked-by: Tim Deegan <tim@xxxxxxx>
Committed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---


diff -r 10de6fc19fb9 -r 4d1ca7cd04ef xen/arch/arm/gic.c
--- a/xen/arch/arm/gic.c        Tue Jul 17 17:22:06 2012 +0100
+++ b/xen/arch/arm/gic.c        Tue Jul 17 17:22:07 2012 +0100
@@ -456,6 +456,9 @@ void gic_set_guest_irq(struct vcpu *v, u
     }
 
     n = irq_to_pending(v, virtual_irq);
+    if ( !list_empty(&n->lr_queue) )
+        goto out;
+
     list_for_each_entry ( iter, &v->arch.vgic.lr_pending, lr_queue )
     {
         if ( iter->priority > priority )
diff -r 10de6fc19fb9 -r 4d1ca7cd04ef xen/arch/arm/vgic.c
--- a/xen/arch/arm/vgic.c       Tue Jul 17 17:22:06 2012 +0100
+++ b/xen/arch/arm/vgic.c       Tue Jul 17 17:22:07 2012 +0100
@@ -84,7 +84,10 @@ int domain_vgic_init(struct domain *d)
     d->arch.vgic.pending_irqs =
         xzalloc_array(struct pending_irq, d->arch.vgic.nr_lines);
     for (i=0; i<d->arch.vgic.nr_lines; i++)
+    {
         INIT_LIST_HEAD(&d->arch.vgic.pending_irqs[i].inflight);
+        INIT_LIST_HEAD(&d->arch.vgic.pending_irqs[i].lr_queue);
+    }
     for (i=0; i<DOMAIN_NR_RANKS(d); i++)
         spin_lock_init(&d->arch.vgic.shared_irqs[i].lock);
     return 0;

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