[Xen-devel] [PATCH 4 of 4] qemu-xen: let xen choose the pirq number

[stefano.stabellini@xxxxxxxxxxxxx]

When remapping an interrupt into the guest, let xen choose the pirq,
otherwise we might have to handle possible conflicts.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

diff --git a/hw/pass-through.c b/hw/pass-through.c
index f6ae4b2..81ae3f3 100644
--- a/hw/pass-through.c
+++ b/hw/pass-through.c
@@ -4265,7 +4265,7 @@ static struct pt_dev * register_real_device(PCIBus *e_bus,
 
     if ( PT_MACHINE_IRQ_AUTO == machine_irq )
     {
-        int pirq = pci_dev->irq;
+        int pirq = -1;
 
         machine_irq = pci_dev->irq;
         rc = xc_physdev_map_pirq(xc_handle, domid, machine_irq, &pirq);

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