File 19172-irq-to-vector.patch of Package xen

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1233836418 0
# Node ID a2a755b7927e61f2ebd25cb7c6071a8c8f71063d
# Parent  5c1308e2ece3b6d589f39375cbef8239640ac262
x86: Use per-domain irq-to-vector array when mapping GSIs

Using the per-domain array enables single MSI vectors to be mapped.

Signed-off-by: Espen Skoglund <espen.skoglund@netronome.com>

Index: xen-3.3.1-testing/xen/arch/x86/physdev.c
===================================================================
--- xen-3.3.1-testing.orig/xen/arch/x86/physdev.c
+++ xen-3.3.1-testing/xen/arch/x86/physdev.c
@@ -66,7 +66,7 @@ static int physdev_map_pirq(struct physd
                 ret = -EINVAL;
                 goto free_domain;
             }
-            vector = IO_APIC_VECTOR(map->index);
+            vector = domain_irq_to_vector(current->domain, map->index);
             if ( !vector )
             {
                 dprintk(XENLOG_G_ERR, "dom%d: map irq with no vector %d\n",