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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-06-27 12:44:39 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-06-29 07:38:40 -0400
commita75f7cf94f01717c5103138319b96752ee2a2be9 (patch)
treeb268deef1584bbc51a19b550d54339ebb276c1d4 /drivers/pci/intel-iommu.c
parent90dcfb5eb2fd427b16135a14f176a6902750b6b4 (diff)
intel-iommu: Make dma_pte_clear_one() take pfn not address
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci/intel-iommu.c')
-rw-r--r--drivers/pci/intel-iommu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index edd39d348a98..40eae2097aca 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -764,12 +764,12 @@ static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain,
764} 764}
765 765
766/* clear one page's page table */ 766/* clear one page's page table */
767static void dma_pte_clear_one(struct dmar_domain *domain, u64 addr) 767static void dma_pte_clear_one(struct dmar_domain *domain, unsigned long pfn)
768{ 768{
769 struct dma_pte *pte = NULL; 769 struct dma_pte *pte = NULL;
770 770
771 /* get last level pte */ 771 /* get last level pte */
772 pte = dma_pfn_level_pte(domain, addr >> VTD_PAGE_SHIFT, 1); 772 pte = dma_pfn_level_pte(domain, pfn, 1);
773 773
774 if (pte) { 774 if (pte) {
775 dma_clear_pte(pte); 775 dma_clear_pte(pte);
@@ -792,7 +792,7 @@ static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end)
792 792
793 /* we don't need lock here, nobody else touches the iova range */ 793 /* we don't need lock here, nobody else touches the iova range */
794 while (npages--) { 794 while (npages--) {
795 dma_pte_clear_one(domain, start); 795 dma_pte_clear_one(domain, start >> VTD_PAGE_SHIFT);
796 start += VTD_PAGE_SIZE; 796 start += VTD_PAGE_SIZE;
797 } 797 }
798} 798}