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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
drivers
/
xen
/
events
/
events_base.c
diff --git
a/kernel/drivers/xen/events/events_base.c
b/kernel/drivers/xen/events/events_base.c
index
524c221
..
83ec7b8
100644
(file)
--- a/
kernel/drivers/xen/events/events_base.c
+++ b/
kernel/drivers/xen/events/events_base.c
@@
-484,9
+484,20
@@
static void eoi_pirq(struct irq_data *data)
struct physdev_eoi eoi = { .irq = pirq_from_irq(data->irq) };
int rc = 0;
struct physdev_eoi eoi = { .irq = pirq_from_irq(data->irq) };
int rc = 0;
- irq_move_irq(data);
+ if (!VALID_EVTCHN(evtchn))
+ return;
- if (VALID_EVTCHN(evtchn))
+ if (unlikely(irqd_is_setaffinity_pending(data)) &&
+ likely(!irqd_irq_disabled(data))) {
+ int masked = test_and_set_mask(evtchn);
+
+ clear_evtchn(evtchn);
+
+ irq_move_masked_irq(data);
+
+ if (!masked)
+ unmask_evtchn(evtchn);
+ } else
clear_evtchn(evtchn);
if (pirq_needs_eoi(data->irq)) {
clear_evtchn(evtchn);
if (pirq_needs_eoi(data->irq)) {
@@
-1357,9
+1368,20
@@
static void ack_dynirq(struct irq_data *data)
{
int evtchn = evtchn_from_irq(data->irq);
{
int evtchn = evtchn_from_irq(data->irq);
- irq_move_irq(data);
+ if (!VALID_EVTCHN(evtchn))
+ return;
- if (VALID_EVTCHN(evtchn))
+ if (unlikely(irqd_is_setaffinity_pending(data)) &&
+ likely(!irqd_irq_disabled(data))) {
+ int masked = test_and_set_mask(evtchn);
+
+ clear_evtchn(evtchn);
+
+ irq_move_masked_irq(data);
+
+ if (!masked)
+ unmask_evtchn(evtchn);
+ } else
clear_evtchn(evtchn);
}
clear_evtchn(evtchn);
}