diff options
| -rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index bae4a76a3b54..d1aa2344cd90 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -644,6 +644,16 @@ static int __init init_memory_definitions(struct acpi_table_header *table) return 0; } +static void __init enable_iommus(void) +{ + struct amd_iommu *iommu; + + list_for_each_entry(iommu, &amd_iommu_list, list) { + iommu_set_exclusion_range(iommu); + iommu_enable(iommu); + } +} + int __init amd_iommu_init(void) { int i, ret = 0; @@ -731,6 +741,12 @@ int __init amd_iommu_init(void) if (acpi_table_parse("IVRS", init_memory_definitions) != 0) goto free; + ret = amd_iommu_init_dma_ops(); + if (ret) + goto free; + + enable_iommus(); + printk(KERN_INFO "AMD IOMMU: aperture size is %d MB\n", (1 << (amd_iommu_aperture_order-20))); |