2 files changed, 13 insertions, 2 deletions

diff --git a/drivers/xen/events/events_2l.c b/drivers/xen/events/events_2l.c
index 5db43fc100a4..7dd46312c180 100644
--- a/drivers/xen/events/events_2l.c
+++ b/drivers/xen/events/events_2l.c
@@ -345,6 +345,15 @@ irqreturn_t xen_debug_interrupt(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
+static void evtchn_2l_resume(void)
+{
+        int i;
+
+        for_each_online_cpu(i)
+                memset(per_cpu(cpu_evtchn_mask, i), 0, sizeof(xen_ulong_t) *
+                                EVTCHN_2L_NR_CHANNELS/BITS_PER_EVTCHN_WORD);
+}
+
 static const struct evtchn_ops evtchn_ops_2l = {
         .max_channels      = evtchn_2l_max_channels,
         .nr_channels       = evtchn_2l_max_channels,
@@ -356,6 +365,7 @@ static const struct evtchn_ops evtchn_ops_2l = {
         .mask              = evtchn_2l_mask,
         .unmask            = evtchn_2l_unmask,
         .handle_events     = evtchn_2l_handle_events,
+        .resume            = evtchn_2l_resume,
 };
 
 void __init xen_evtchn_2l_init(void)
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 70fba973a107..a1ec564d791c 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -1279,8 +1279,9 @@ void rebind_evtchn_irq(int evtchn, int irq)
 
         mutex_unlock(&irq_mapping_update_lock);
 
-        /* new event channels are always bound to cpu 0 */
-        irq_set_affinity(irq, cpumask_of(0));
+        bind_evtchn_to_cpu(evtchn, info->cpu);
+        /* This will be deferred until interrupt is processed */
+        irq_set_affinity(irq, cpumask_of(info->cpu));
 
         /* Unmask the event channel. */
         enable_irq(irq);