1 files changed, 0 insertions, 11 deletions

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index c0f420f76cd3..de2b7ad70273 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -45,15 +45,6 @@ int iommu_detected __read_mostly = 0;
  */
 int iommu_pass_through __read_mostly;
 
-/*
- * Group multi-function PCI devices into a single device-group for the
- * iommu_device_group interface.  This tells the iommu driver to pretend
- * it cannot distinguish between functions of a device, exposing only one
- * group for the device.  Useful for disallowing use of individual PCI
- * functions from userspace drivers.
- */
-int iommu_group_mf __read_mostly;
-
 extern struct iommu_table_entry __iommu_table[], __iommu_table_end[];
 
 /* Dummy device used for NULL arguments (normally ISA). */
@@ -194,8 +185,6 @@ static __init int iommu_setup(char *p)
 #endif
                 if (!strncmp(p, "pt", 2))
                         iommu_pass_through = 1;
-                if (!strncmp(p, "group_mf", 8))
-                        iommu_group_mf = 1;
 
                 gart_parse_options(p);