dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

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: 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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/xen/events.c
View File

@ -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;
}