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vt-d: Fix iommu_map_page().
Signed-off-by: Weidong Han <weidong.han@intel.com>
This commit is contained in:
Keir Fraser committed
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6335a36da1
commit
727f3fd5fa
1 file changed
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@@ -1464,7 +1464,7 @@ int iommu_map_page(struct domain *d, paddr_t gfn, paddr_t mfn)
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if ( !pg )
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return -ENOMEM;
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pte = (struct dma_pte *)map_domain_page(page_to_mfn(pg));
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pte += mfn & LEVEL_MASK;
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pte += gfn & LEVEL_MASK;
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dma_set_pte_addr(*pte, mfn << PAGE_SHIFT_4K);
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dma_set_pte_prot(*pte, DMA_PTE_READ | DMA_PTE_WRITE);
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iommu_flush_cache_entry(iommu, pte);
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