added comment...

diff --git a/palacios/src/devices/apic.c b/palacios/src/devices/apic.c
index d3fee16..0bb591a 100644 (file)
--- a/palacios/src/devices/apic.c
+++ b/palacios/src/devices/apic.c
@@ -808,6 +808,8 @@ static int apic_get_intr_number(void * private_data) {
 
 static int apic_raise_intr(void * private_data, int irq) {
 #ifdef CRAY_XT
+    // The Seastar is connected directly to the LAPIC via LINT0 on the ICC bus
+
     if (irq == 238) {
        struct vm_device * dev = (struct vm_device *)private_data;
        struct apic_state * apic = (struct apic_state *)dev->private_data;