diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c
index 837bbe91043e57b3c9b6b76bba75fb6abc8d3d6c..b44ea517fcf0417b977115f9a5b9d4dc92304e79 100644
--- a/arch/x86/kernel/pci-base_32.c
+++ b/arch/x86/kernel/pci-base_32.c
@@ -37,7 +37,7 @@ static int pci32_map_error(dma_addr_t dma_addr)
 	return 0;
 }
 
-static const struct dma_mapping_ops pci32_dma_ops = {
+const struct dma_mapping_ops pci32_dma_ops = {
 	.map_single = pci32_map_single,
 	.unmap_single = NULL,
 	.map_sg = pci32_dma_map_sg,
@@ -51,5 +51,10 @@ static const struct dma_mapping_ops pci32_dma_ops = {
 	.mapping_error = pci32_map_error,
 };
 
-const struct dma_mapping_ops *dma_ops = &pci32_dma_ops;
-EXPORT_SYMBOL(dma_ops);
+/* this is temporary */
+int __init no_iommu_init(void)
+{
+	dma_ops = &pci32_dma_ops;
+	return 0;
+}
+fs_initcall(no_iommu_init);
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index f1c24d8e79421486199cea8c54de0a92f5e1307c..1323cd80387b8951ad53fa62c657d0849b9e4120 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -1,5 +1,8 @@
 #include <linux/dma-mapping.h>
 
+const struct dma_mapping_ops *dma_ops;
+EXPORT_SYMBOL(dma_ops);
+
 int dma_set_mask(struct device *dev, u64 mask)
 {
 	if (!dev->dma_mask || !dma_supported(dev, mask))
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 1076097dcab22115f5de1e9b22afc1baf2129ab6..1ff7906a9a4dbc7afa6dfdd24f274e077cd26773 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -47,9 +47,6 @@
 #include <asm/numa.h>
 #include <asm/cacheflush.h>
 
-const struct dma_mapping_ops *dma_ops;
-EXPORT_SYMBOL(dma_ops);
-
 static unsigned long dma_reserve __initdata;
 
 DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);