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path: root/drivers/pci/intel-iommu.c
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Diffstat (limited to 'drivers/pci/intel-iommu.c')
-rw-r--r--drivers/pci/intel-iommu.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 001b328adf80..cd389162735f 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -59,6 +59,10 @@
#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;
@@ -1216,7 +1220,7 @@ 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),
@@ -1968,15 +1972,6 @@ 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
-
/*
* For each rmrr
* for each dev attached to rmrr
@@ -2173,7 +2168,8 @@ 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;
@@ -2463,8 +2459,8 @@ 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,