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path: root/drivers/xen/xen-pciback/pci_stub.c
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Diffstat (limited to 'drivers/xen/xen-pciback/pci_stub.c')
-rw-r--r--drivers/xen/xen-pciback/pci_stub.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
index e876c3d6dad1..cb904ac83006 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -734,10 +734,17 @@ static pci_ers_result_t common_process(struct pcistub_device *psdev,
wmb();
notify_remote_via_irq(pdev->evtchn_irq);
+ /* Enable IRQ to signal "request done". */
+ xen_pcibk_lateeoi(pdev, 0);
+
ret = wait_event_timeout(xen_pcibk_aer_wait_queue,
!(test_bit(_XEN_PCIB_active, (unsigned long *)
&sh_info->flags)), 300*HZ);
+ /* Enable IRQ for pcifront request if not already active. */
+ if (!test_bit(_PDEVF_op_active, &pdev->flags))
+ xen_pcibk_lateeoi(pdev, 0);
+
if (!ret) {
if (test_bit(_XEN_PCIB_active,
(unsigned long *)&sh_info->flags)) {
@@ -751,12 +758,6 @@ static pci_ers_result_t common_process(struct pcistub_device *psdev,
}
clear_bit(_PCIB_op_pending, (unsigned long *)&pdev->flags);
- if (test_bit(_XEN_PCIF_active,
- (unsigned long *)&sh_info->flags)) {
- dev_dbg(&psdev->dev->dev, "schedule pci_conf service\n");
- xen_pcibk_test_and_schedule_op(psdev->pdev);
- }
-
res = (pci_ers_result_t)aer_op->err;
return res;
}