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-rw-r--r--drivers/iommu/intel-iommu.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c9c6053198d4..8aa580dc3033 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -48,8 +48,6 @@
48#define ROOT_SIZE VTD_PAGE_SIZE 48#define ROOT_SIZE VTD_PAGE_SIZE
49#define CONTEXT_SIZE VTD_PAGE_SIZE 49#define CONTEXT_SIZE VTD_PAGE_SIZE
50 50
51#define IS_BRIDGE_HOST_DEVICE(pdev) \
52 ((pdev->class >> 8) == PCI_CLASS_BRIDGE_HOST)
53#define IS_GFX_DEVICE(pdev) ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY) 51#define IS_GFX_DEVICE(pdev) ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY)
54#define IS_ISA_DEVICE(pdev) ((pdev->class >> 8) == PCI_CLASS_BRIDGE_ISA) 52#define IS_ISA_DEVICE(pdev) ((pdev->class >> 8) == PCI_CLASS_BRIDGE_ISA)
55#define IS_AZALIA(pdev) ((pdev)->vendor == 0x8086 && (pdev)->device == 0x3a3e) 53#define IS_AZALIA(pdev) ((pdev)->vendor == 0x8086 && (pdev)->device == 0x3a3e)
@@ -2369,18 +2367,18 @@ static int __init iommu_prepare_static_identity_mapping(int hw)
2369 return -EFAULT; 2367 return -EFAULT;
2370 2368
2371 for_each_pci_dev(pdev) { 2369 for_each_pci_dev(pdev) {
2372 /* Skip Host/PCI Bridge devices */
2373 if (IS_BRIDGE_HOST_DEVICE(pdev))
2374 continue;
2375 if (iommu_should_identity_map(pdev, 1)) { 2370 if (iommu_should_identity_map(pdev, 1)) {
2376 printk(KERN_INFO "IOMMU: %s identity mapping for device %s\n",
2377 hw ? "hardware" : "software", pci_name(pdev));
2378
2379 ret = domain_add_dev_info(si_domain, pdev, 2371 ret = domain_add_dev_info(si_domain, pdev,
2380 hw ? CONTEXT_TT_PASS_THROUGH : 2372 hw ? CONTEXT_TT_PASS_THROUGH :
2381 CONTEXT_TT_MULTI_LEVEL); 2373 CONTEXT_TT_MULTI_LEVEL);
2382 if (ret) 2374 if (ret) {
2375 /* device not associated with an iommu */
2376 if (ret == -ENODEV)
2377 continue;
2383 return ret; 2378 return ret;
2379 }
2380 pr_info("IOMMU: %s identity mapping for device %s\n",
2381 hw ? "hardware" : "software", pci_name(pdev));
2384 } 2382 }
2385 } 2383 }
2386 2384