Merge git://git.infradead.org/~dwmw2/iommu-2.6.31

[~andy/linux] / drivers / pci / intel-iommu.c

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index c3cdfc90c13a63b6dcdb0ef92ee21b2a4a7ba7d0..178853a074405d746d6c0932030aa22daf2b17ca 100644 (file)
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -61,6 +61,10 @@
 #define DMA_32BIT_PFN          IOVA_PFN(DMA_BIT_MASK(32))
 #define DMA_64BIT_PFN          IOVA_PFN(DMA_BIT_MASK(64))
 
+#ifndef PHYSICAL_PAGE_MASK
+#define PHYSICAL_PAGE_MASK PAGE_MASK
+#endif
+
 /* global iommu list, set NULL for ignored DMAR units */
 static struct intel_iommu **g_iommus;
 
@@ -1263,7 +1267,7 @@ static void dmar_init_reserved_ranges(void)
                        if (!r->flags || !(r->flags & IORESOURCE_MEM))
                                continue;
                        addr = r->start;
-                       addr &= PAGE_MASK;
+                       addr &= PHYSICAL_PAGE_MASK;
                        size = r->end - addr;
                        size = PAGE_ALIGN(size);
                        iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr),
@@ -2072,14 +2076,6 @@ static int __init init_dmars(void)
                }
        }
 
-#ifdef CONFIG_INTR_REMAP
-       if (!intr_remapping_enabled) {
-               ret = enable_intr_remapping(0);
-               if (ret)
-                       printk(KERN_ERR
-                              "IOMMU: enable interrupt remapping failed\n");
-       }
-#endif
        /*
         * If pass through is set and enabled, context entries of all pci
         * devices are intialized by pass through translation type.
@@ -2296,7 +2292,8 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
         * is not a big problem
         */
        ret = domain_page_mapping(domain, start_paddr,
-               ((u64)paddr) & PAGE_MASK, size, prot);
+                                 ((u64)paddr) & PHYSICAL_PAGE_MASK,
+                                 size, prot);
        if (ret)
                goto error;
 
@@ -2592,8 +2589,8 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
                addr = page_to_phys(sg_page(sg)) + sg->offset;
                size = aligned_size((u64)addr, sg->length);
                ret = domain_page_mapping(domain, start_addr + offset,
-                       ((u64)addr) & PAGE_MASK,
-                       size, prot);
+                                         ((u64)addr) & PHYSICAL_PAGE_MASK,
+                                         size, prot);
                if (ret) {
                        /*  clear the page */
                        dma_pte_clear_range(domain, start_addr,