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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2010-08-28 02:30:24 +0200
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2010-10-22 21:57:21 +0200
commit3588fe2e3f36543664beafedd3bb6dc3ffa896c5 (patch)
tree36195936e090abf5f641f359b64e9d8e7a1cf5f2 /drivers/xen/events.c
parentxen: remove noise about registering vcpu info (diff)
downloadlinux-3588fe2e3f36543664beafedd3bb6dc3ffa896c5.tar.xz
linux-3588fe2e3f36543664beafedd3bb6dc3ffa896c5.zip
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>
Diffstat (limited to 'drivers/xen/events.c')
-rw-r--r--drivers/xen/events.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 13365ba35218..8beb2bc60f7d 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -378,7 +378,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
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 @@ static void __xen_evtchn_do_upcall(void)
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 @@ static void ack_dynirq(unsigned int irq)
{
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 @@ static struct irq_chip xen_dynamic_chip __read_mostly = {
.mask = disable_dynirq,
.unmask = enable_dynirq,
- .ack = ack_dynirq,
+ .eoi = ack_dynirq,
.set_affinity = set_affinity_irq,
.retrigger = retrigger_dynirq,
};