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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-04-23 04:02:05 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-04-23 04:02:05 -0300
commit394569928e2f17dff4ae367ac700048138e318c7 (patch)
treec789d2a2d107284e78f6c6558267b6984f518581 /drivers/xen/events
parentbdcfd44fb5b5fb8fd660e7f93f1095c507481024 (diff)
Linux-libre 4.5.2-gnupck-4.5.2-gnu
Diffstat (limited to 'drivers/xen/events')
-rw-r--r--drivers/xen/events/events_base.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 524c22146..44367783f 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -484,9 +484,19 @@ static void eoi_pirq(struct irq_data *data)
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))) {
+ 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)) {
@@ -1357,9 +1367,19 @@ static void ack_dynirq(struct irq_data *data)
{
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))) {
+ int masked = test_and_set_mask(evtchn);
+
+ clear_evtchn(evtchn);
+
+ irq_move_masked_irq(data);
+
+ if (!masked)
+ unmask_evtchn(evtchn);
+ } else
clear_evtchn(evtchn);
}