diff options
Diffstat (limited to 'kernel/drivers/iommu/dmar.c')
| -rw-r--r-- | kernel/drivers/iommu/dmar.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/drivers/iommu/dmar.c b/kernel/drivers/iommu/dmar.c index 3821c4786..e913a930a 100644 --- a/kernel/drivers/iommu/dmar.c +++ b/kernel/drivers/iommu/dmar.c @@ -326,7 +326,9 @@ static int dmar_pci_bus_notifier(struct notifier_block *nb, struct pci_dev *pdev = to_pci_dev(data); struct dmar_pci_notify_info *info; - /* Only care about add/remove events for physical functions */ + /* Only care about add/remove events for physical functions. + * For VFs we actually do the lookup based on the corresponding + * PF in device_to_iommu() anyway. */ if (pdev->is_virtfn) return NOTIFY_DONE; if (action != BUS_NOTIFY_ADD_DEVICE && @@ -1858,10 +1860,11 @@ static int dmar_hp_remove_drhd(struct acpi_dmar_header *header, void *arg) /* * All PCI devices managed by this unit should have been destroyed. */ - if (!dmaru->include_all && dmaru->devices && dmaru->devices_cnt) + if (!dmaru->include_all && dmaru->devices && dmaru->devices_cnt) { for_each_active_dev_scope(dmaru->devices, dmaru->devices_cnt, i, dev) return -EBUSY; + } ret = dmar_ir_hotplug(dmaru, false); if (ret == 0) |