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Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/events/events_base.c9
-rw-r--r--drivers/xen/evtchn.c34
2 files changed, 1 insertions, 42 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index d6458e439c78..9cade1994785 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -1696,15 +1696,6 @@ static int set_affinity_irq(struct irq_data *data, const struct cpumask *dest,
return ret;
}
-/* To be called with desc->lock held. */
-int xen_set_affinity_evtchn(struct irq_desc *desc, unsigned int tcpu)
-{
- struct irq_data *d = irq_desc_get_irq_data(desc);
-
- return set_affinity_irq(d, cpumask_of(tcpu), false);
-}
-EXPORT_SYMBOL_GPL(xen_set_affinity_evtchn);
-
static void enable_dynirq(struct irq_data *data)
{
evtchn_port_t evtchn = evtchn_from_irq(data->irq);
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index 5dc016d68f83..a7a85719a8c8 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -421,36 +421,6 @@ static void evtchn_unbind_from_user(struct per_user_data *u,
del_evtchn(u, evtchn);
}
-static DEFINE_PER_CPU(int, bind_last_selected_cpu);
-
-static void evtchn_bind_interdom_next_vcpu(evtchn_port_t evtchn)
-{
- unsigned int selected_cpu, irq;
- struct irq_desc *desc;
- unsigned long flags;
-
- irq = irq_from_evtchn(evtchn);
- desc = irq_to_desc(irq);
-
- if (!desc)
- return;
-
- raw_spin_lock_irqsave(&desc->lock, flags);
- selected_cpu = this_cpu_read(bind_last_selected_cpu);
- selected_cpu = cpumask_next_and(selected_cpu,
- desc->irq_common_data.affinity, cpu_online_mask);
-
- if (unlikely(selected_cpu >= nr_cpu_ids))
- selected_cpu = cpumask_first_and(desc->irq_common_data.affinity,
- cpu_online_mask);
-
- this_cpu_write(bind_last_selected_cpu, selected_cpu);
-
- /* unmask expects irqs to be disabled */
- xen_set_affinity_evtchn(desc, selected_cpu);
- raw_spin_unlock_irqrestore(&desc->lock, flags);
-}
-
static long evtchn_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
@@ -508,10 +478,8 @@ static long evtchn_ioctl(struct file *file,
break;
rc = evtchn_bind_to_user(u, bind_interdomain.local_port);
- if (rc == 0) {
+ if (rc == 0)
rc = bind_interdomain.local_port;
- evtchn_bind_interdom_next_vcpu(rc);
- }
break;
}