diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index f5cb46a09e60..d7be38c297b0 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1873,10 +1873,10 @@ static void prealloc_protection_domains(void) struct pci_dev *dev = NULL; struct dma_ops_domain *dma_dom; struct amd_iommu *iommu; - u16 devid; + u16 devid, __devid; while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { - devid = calc_devid(dev->bus->number, dev->devfn); + __devid = devid = calc_devid(dev->bus->number, dev->devfn); if (devid > amd_iommu_last_bdf) continue; devid = amd_iommu_alias_table[devid]; @@ -1891,6 +1891,10 @@ static void prealloc_protection_domains(void) init_unity_mappings_for_device(dma_dom, devid); dma_dom->target_dev = devid; + attach_device(iommu, &dma_dom->domain, devid); + if (__devid != devid) + attach_device(iommu, &dma_dom->domain, __devid); + list_add_tail(&dma_dom->list, &iommu_pd_list); } } |