intel-iommu: Use domain_pfn_mapping() in intel_iommu_map_range()
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index dccd0a7..a490b39 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3516,8 +3516,11 @@
}
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;
}