diff options
Diffstat (limited to 'drivers/xen/events.c')
| -rw-r--r-- | drivers/xen/events.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index efa683ee884..c649ac0aaee 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -681,6 +681,8 @@ out: int xen_destroy_irq(int irq) { struct irq_desc *desc; + struct physdev_unmap_pirq unmap_irq; + struct irq_info *info = info_for_irq(irq); int rc = -ENOENT; spin_lock(&irq_mapping_update_lock); @@ -689,6 +691,15 @@ int xen_destroy_irq(int irq) if (!desc) goto out; + if (xen_initial_domain()) { + unmap_irq.pirq = info->u.pirq.gsi; + unmap_irq.domid = DOMID_SELF; + rc = HYPERVISOR_physdev_op(PHYSDEVOP_unmap_pirq, &unmap_irq); + if (rc) { + printk(KERN_WARNING "unmap irq failed %d\n", rc); + goto out; + } + } irq_info[irq] = mk_unbound_info(); irq_free_desc(irq); @@ -1425,5 +1436,7 @@ void __init xen_init_IRQ(void) pci_xen_hvm_init(); } else { irq_ctx_init(smp_processor_id()); + if (xen_initial_domain()) + xen_setup_pirqs(); } } |