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-rw-r--r--arch/x86/kernel/pci-dma.c2
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 */
44int iommu_pass_through __read_mostly; 44int iommu_pass_through __read_mostly;