diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
commit | 5f4457a4f62cc9d78e04c0eb12ff0540899aad89 (patch) | |
tree | 0b973d527ea6b2ae31e08da0746b4965a3c5a6d8 /drivers/pci/intel-iommu.c | |
parent | 9b94b3a19b13e094c10f65f24bc358f6ffe4eacd (diff) | |
parent | b87297fb405ef13cac375f202d114323b076a56d (diff) |
Merge branch 'linus' into x86/cpu
Diffstat (limited to 'drivers/pci/intel-iommu.c')
-rw-r--r-- | drivers/pci/intel-iommu.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index fb3a3f3fca7..a563fbe559d 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; @@ -733,8 +737,8 @@ static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end) start &= (((u64)1) << addr_width) - 1; end &= (((u64)1) << addr_width) - 1; /* in case it's partial page */ - start = PAGE_ALIGN(start); - end &= PAGE_MASK; + start &= PAGE_MASK; + end = PAGE_ALIGN(end); npages = (end - start) / VTD_PAGE_SIZE; /* we don't need lock here, nobody else touches the iova range */ @@ -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), @@ -2173,7 +2177,8 @@ 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 +2468,8 @@ 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, |