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Commit 1eff1ad0 authored by Konrad Rzeszutek Wilk's avatar Konrad Rzeszutek Wilk
Browse files

xen/irq: The Xen hypervisor cleans up the PIRQs if the other domain forgot. 



And if the other domain forgot to clean up its PIRQs we don't need
to fail the operation. Just take a note of it and continue on.

Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent e6197acc

drivers/xen/events.c

+8 −1
Original line number Diff line number Diff line
@@ -728,7 +728,14 @@ int xen_destroy_irq(int irq) 
		unmap_irq.pirq = info->u.pirq.pirq;

		unmap_irq.domid = info->u.pirq.domid;

		rc = HYPERVISOR_physdev_op(PHYSDEVOP_unmap_pirq, &unmap_irq);

		if (rc) {

		/* If another domain quits without making the pci_disable_msix

		 * call, the Xen hypervisor takes care of freeing the PIRQs

		 * (free_domain_pirqs).

		 */

		if ((rc == -ESRCH && info->u.pirq.domid != DOMID_SELF))

			printk(KERN_INFO "domain %d does not have %d anymore\n",

				info->u.pirq.domid, info->u.pirq.pirq);

		else if (rc) {

			printk(KERN_WARNING "unmap irq failed %d\n", rc);

			goto out;

		}