On Thu, 14 Dec 2017 07:50:31 -0700 Keith Busch <keith.busch@xxxxxxxxx> wrote: > On Wed, Dec 13, 2017 at 05:01:58PM -0700, Alex Williamson wrote: > > @@ -109,6 +109,7 @@ static void interrupt_event_handler(struct work_struct *work) > > struct dpc_dev *dpc = container_of(work, struct dpc_dev, work); > > struct pci_dev *dev, *temp, *pdev = dpc->dev->port; > > struct pci_bus *parent = pdev->subordinate; > > + u16 ctl; > > > > pci_lock_rescan_remove(); > > list_for_each_entry_safe_reverse(dev, temp, &parent->devices, > > @@ -135,6 +136,10 @@ static void interrupt_event_handler(struct work_struct *work) > > > > pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_STATUS, > > PCI_EXP_DPC_STATUS_TRIGGER | PCI_EXP_DPC_STATUS_INTERRUPT); > > + > > + pci_read_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, &ctl); > > + pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, > > + ctl & ~PCI_EXP_DPC_CTL_INT_EN); > > Did you mean to re-enable the interrupt here rather than mask it off? D'oh, yes. v2 coming. Thanks, Alex
