intel-iommu: Make dma_pte_clear_one() take pfn not address
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index edd39d3..40eae20 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -764,12 +764,12 @@
}
/* clear one page's page table */
-static void dma_pte_clear_one(struct dmar_domain *domain, u64 addr)
+static void dma_pte_clear_one(struct dmar_domain *domain, unsigned long pfn)
{
struct dma_pte *pte = NULL;
/* get last level pte */
- pte = dma_pfn_level_pte(domain, addr >> VTD_PAGE_SHIFT, 1);
+ pte = dma_pfn_level_pte(domain, pfn, 1);
if (pte) {
dma_clear_pte(pte);
@@ -792,7 +792,7 @@
/* we don't need lock here, nobody else touches the iova range */
while (npages--) {
- dma_pte_clear_one(domain, start);
+ dma_pte_clear_one(domain, start >> VTD_PAGE_SHIFT);
start += VTD_PAGE_SIZE;
}
}