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intel-iommu: Use domain_pfn_mapping() in intel_iommu_map_range()
author
David Woodhouse
<David.Woodhouse@intel.com>
Sun, 28 Jun 2009 13:22:28 +0000
(14:22 +0100)
committer
David Woodhouse
<David.Woodhouse@intel.com>
Mon, 29 Jun 2009 12:35:00 +0000
(13:35 +0100)
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
drivers/pci/intel-iommu.c
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diff --git
a/drivers/pci/intel-iommu.c
b/drivers/pci/intel-iommu.c
index
dccd0a7
..
a490b39
100644
(file)
--- a/
drivers/pci/intel-iommu.c
+++ b/
drivers/pci/intel-iommu.c
@@
-3516,8
+3516,11
@@
static int intel_iommu_map_range(struct iommu_domain *domain,
}
dmar_domain->max_addr = max_addr;
}
-
- ret = domain_page_mapping(dmar_domain, iova, hpa, size, prot);
+ /* Round up size to next multiple of PAGE_SIZE, if it and
+ the low bits of hpa would take us onto the next page */
+ size = aligned_size(hpa, size) >> VTD_PAGE_SHIFT;
+ ret = domain_pfn_mapping(dmar_domain, iova >> VTD_PAGE_SHIFT,
+ hpa >> VTD_PAGE_SHIFT, size, prot);
return ret;
}