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intel-iommu: Make dma_pte_clear_one() take pfn not address 

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse 2009-06-27 17:44:39 +01:00
parent 90dcfb5eb2
commit a75f7cf94f
1 changed files with 3 additions and 3 deletions
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6
drivers/pci/intel-iommu.c
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@ -764,12 +764,12 @@ static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain,
}
/* 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 @@ static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end)
/* 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;
}
}