1 files changed, 10 insertions, 0 deletions

diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 4449a4a2c2ed..ccd179dec36e 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -13,11 +13,15 @@
 #include <asm/e820.h>
 #include <asm/time.h>
 #include <asm/irq.h>
+#include <asm/pat.h>
 #include <asm/tsc.h>
+#include <asm/iommu.h>
 
 void __cpuinit x86_init_noop(void) { }
 void __init x86_init_uint_noop(unsigned int unused) { }
 void __init x86_init_pgd_noop(pgd_t *unused) { }
+int __init iommu_init_noop(void) { return 0; }
+void iommu_shutdown_noop(void) { }
 
 /*
  * The platform setup functions are preset with the default functions
@@ -62,6 +66,10 @@ struct x86_init_ops x86_init __initdata = {
                 .tsc_pre_init           = x86_init_noop,
                 .timer_init             = hpet_time_init,
         },
+
+        .iommu = {
+                .iommu_init             = iommu_init_noop,
+        },
 };
 
 struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
@@ -72,4 +80,6 @@ struct x86_platform_ops x86_platform = {
         .calibrate_tsc                  = native_calibrate_tsc,
         .get_wallclock                  = mach_get_cmos_time,
         .set_wallclock                  = mach_set_rtc_mmss,
+        .iommu_shutdown                 = iommu_shutdown_noop,
+        .is_untracked_pat_range         = is_ISA_range,
 };