[Qemu-ppc] [PATCH] xics: Add comment about CPU hotplug

[Greg Kurz]

So that no one is tempted to drop that code, which is never called
for cold plugged CPUs.

Signed-off-by: Greg Kurz <address@hidden>
---
 hw/intc/xics.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/intc/xics.c b/hw/intc/xics.c
index 8535e583dd41..faa976e2f8a8 100644
--- a/hw/intc/xics.c
+++ b/hw/intc/xics.c
@@ -363,6 +363,7 @@ static void icp_realize(DeviceState *dev, Error **errp)
         return;
     }
 
+    /* Connect the presenter to the VCPU (required for CPU hotplug) */
     if (kvm_irqchip_in_kernel()) {
         icp_kvm_realize(dev, &err);
         if (err) {