[Xen-changelog] [xen-unstable] xen: arm: stub out pirq related functions.

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1355926581 0
# Node ID 43193e52d15a66c0b6c246099302081b887134d6
# Parent  98b8d7121332a1db990429c7f432ae11dbb31bfa
xen: arm: stub out pirq related functions.

On ARM we use GIC functionality to inject virtualised real interrupts
for h/w devices rather than evtchn-pirqs.

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


diff -r 98b8d7121332 -r 43193e52d15a xen/arch/arm/dummy.S
--- a/xen/arch/arm/dummy.S      Wed Dec 19 14:16:21 2012 +0000
+++ b/xen/arch/arm/dummy.S      Wed Dec 19 14:16:21 2012 +0000
@@ -7,11 +7,7 @@ x:     .word 0xe7f000f0 /* Undefined instruc
 x:     mov pc, lr
        
 /* PIRQ support */
-DUMMY(alloc_pirq_struct);
 DUMMY(nr_irqs_gsi);
-DUMMY(pirq_guest_bind);
-DUMMY(pirq_guest_unbind);
-DUMMY(pirq_set_affinity);
 
 /* VCPU */
 NOP(update_vcpu_system_time);
diff -r 98b8d7121332 -r 43193e52d15a xen/arch/arm/irq.c
--- a/xen/arch/arm/irq.c        Wed Dec 19 14:16:21 2012 +0000
+++ b/xen/arch/arm/irq.c        Wed Dec 19 14:16:21 2012 +0000
@@ -192,6 +192,35 @@ out_no_end:
 }
 
 /*
+ * pirq event channels. We don't use these on ARM, instead we use the
+ * features of the GIC to inject virtualised normal interrupts.
+ */
+struct pirq *alloc_pirq_struct(struct domain *d)
+{
+    return NULL;
+}
+
+/*
+ * These are all unreachable given an alloc_pirq_struct
+ * which returns NULL, all callers try to lookup struct pirq first
+ * which will fail.
+ */
+int pirq_guest_bind(struct vcpu *v, struct pirq *pirq, int will_share)
+{
+    BUG();
+}
+
+void pirq_guest_unbind(struct domain *d, struct pirq *pirq)
+{
+    BUG();
+}
+
+void pirq_set_affinity(struct domain *d, int pirq, const cpumask_t *mask)
+{
+    BUG();
+}
+
+/*
  * Local variables:
  * mode: C
  * c-set-style: "BSD"

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