diff options
Diffstat (limited to 'drivers/xen/evtchn.c')
-rw-r--r-- | drivers/xen/evtchn.c | 34 |
1 files changed, 1 insertions, 33 deletions
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; } |