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| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-06-27 17:14:59 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-06-29 12:38:38 +0100 |
| commit | 90dcfb5eb2fd427b16135a14f176a6902750b6b4 (patch) | |
| tree | 2951f2a7e9dab02127005937c92dfa8dc0e03e07 /drivers/pci/intel-iommu.c | |
| parent | 77dfa56c94d2855a25ff552b74980a5538e129f8 (diff) | |
| download | linux-90dcfb5eb2fd427b16135a14f176a6902750b6b4.tar.bz2 | |
intel-iommu: Change dma_addr_level_pte() to dma_pfn_level_pte()
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci/intel-iommu.c')
| -rw-r--r-- | drivers/pci/intel-iommu.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 529c1c13048f..edd39d348a98 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -740,8 +740,9 @@ static struct dma_pte * addr_to_dma_pte(struct dmar_domain *domain, u64 addr) } /* return address's pte at specific level */ -static struct dma_pte *dma_addr_level_pte(struct dmar_domain *domain, u64 addr, - int level) +static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain, + unsigned long pfn, + int level) { struct dma_pte *parent, *pte = NULL; int total = agaw_to_level(domain->agaw); @@ -749,7 +750,7 @@ static struct dma_pte *dma_addr_level_pte(struct dmar_domain *domain, u64 addr, parent = domain->pgd; while (level <= total) { - offset = pfn_level_offset(addr >> VTD_PAGE_SHIFT, total); + offset = pfn_level_offset(pfn, total); pte = &parent[offset]; if (level == total) return pte; @@ -768,7 +769,7 @@ static void dma_pte_clear_one(struct dmar_domain *domain, u64 addr) struct dma_pte *pte = NULL; /* get last level pte */ - pte = dma_addr_level_pte(domain, addr, 1); + pte = dma_pfn_level_pte(domain, addr >> VTD_PAGE_SHIFT, 1); if (pte) { dma_clear_pte(pte); @@ -817,7 +818,8 @@ static void dma_pte_free_pagetable(struct dmar_domain *domain, return; while (tmp < end) { - pte = dma_addr_level_pte(domain, tmp, level); + pte = dma_pfn_level_pte(domain, tmp >> VTD_PAGE_SHIFT, + level); if (pte) { free_pgtable_page( phys_to_virt(dma_pte_addr(pte))); |