xen/events: change to using fasteoi
Change event delivery to:
- mask+clear event in the upcall function
- use handle_fasteoi_irq as the handler
- unmask in the eoi function (and handle migration)
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 13365ba..8beb2bc 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -378,7 +378,7 @@
irq = find_unbound_irq();
set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
- handle_edge_irq, "event");
+ handle_fasteoi_irq, "event");
evtchn_to_irq[evtchn] = irq;
irq_info[irq] = mk_evtchn_info(evtchn);
@@ -664,6 +664,9 @@
int irq = evtchn_to_irq[port];
struct irq_desc *desc;
+ mask_evtchn(port);
+ clear_evtchn(port);
+
if (irq != -1) {
desc = irq_to_desc(irq);
if (desc)
@@ -801,10 +804,10 @@
{
int evtchn = evtchn_from_irq(irq);
- move_native_irq(irq);
+ move_masked_irq(irq);
if (VALID_EVTCHN(evtchn))
- clear_evtchn(evtchn);
+ unmask_evtchn(evtchn);
}
static int retrigger_dynirq(unsigned int irq)
@@ -960,7 +963,7 @@
.mask = disable_dynirq,
.unmask = enable_dynirq,
- .ack = ack_dynirq,
+ .eoi = ack_dynirq,
.set_affinity = set_affinity_irq,
.retrigger = retrigger_dynirq,
};