diff options
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
-rw-r--r-- | arch/x86/kernel/pci-dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 1aa966c565f9..a4ac764a6880 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c | |||
@@ -38,7 +38,7 @@ int iommu_detected __read_mostly = 0; | |||
38 | * This variable becomes 1 if iommu=pt is passed on the kernel command line. | 38 | * This variable becomes 1 if iommu=pt is passed on the kernel command line. |
39 | * If this variable is 1, IOMMU implementations do no DMA translation for | 39 | * If this variable is 1, IOMMU implementations do no DMA translation for |
40 | * devices and allow every device to access to whole physical memory. This is | 40 | * devices and allow every device to access to whole physical memory. This is |
41 | * useful if a user want to use an IOMMU only for KVM device assignment to | 41 | * useful if a user wants to use an IOMMU only for KVM device assignment to |
42 | * guests and not for driver dma translation. | 42 | * guests and not for driver dma translation. |
43 | */ | 43 | */ |
44 | int iommu_pass_through __read_mostly; | 44 | int iommu_pass_through __read_mostly; |