diff options
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index ff46227b3409..007aac554b37 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4548,39 +4548,6 @@ int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) return 0; } -/* - * Here we only respond to action of unbound device from driver. - * - * Added device is not attached to its DMAR domain here yet. That will happen - * when mapping the device to iova. - */ -static int device_notifier(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct device *dev = data; - struct dmar_domain *domain; - - if (iommu_dummy(dev)) - return 0; - - if (action == BUS_NOTIFY_REMOVED_DEVICE) { - domain = find_domain(dev); - if (!domain) - return 0; - - dmar_remove_one_dev_info(dev); - } else if (action == BUS_NOTIFY_ADD_DEVICE) { - if (iommu_should_identity_map(dev)) - domain_add_dev_info(si_domain, dev); - } - - return 0; -} - -static struct notifier_block device_nb = { - .notifier_call = device_notifier, -}; - static int intel_iommu_memory_notifier(struct notifier_block *nb, unsigned long val, void *v) { @@ -4955,7 +4922,6 @@ int __init intel_iommu_init(void) } bus_set_iommu(&pci_bus_type, &intel_iommu_ops); - bus_register_notifier(&pci_bus_type, &device_nb); if (si_domain && !hw_pass_through) register_memory_notifier(&intel_iommu_memory_nb); cpuhp_setup_state(CPUHP_IOMMU_INTEL_DEAD, "iommu/intel:dead", NULL, |