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

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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: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2011-02-16 16:26:44 -05:00
parent e6197acc72
commit 1eff1ad028
1 changed files with 8 additions and 1 deletions
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9
drivers/xen/events.c
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@ -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;
}