intel-iommu: Change dma_addr_level_pte() to dma_pfn_level_pte()
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
parent
77dfa56c94
commit
90dcfb5eb2
|
@ -740,7 +740,8 @@ 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,
|
||||
static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain,
|
||||
unsigned long pfn,
|
||||
int level)
|
||||
{
|
||||
struct dma_pte *parent, *pte = NULL;
|
||||
|
@ -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)));
|
||||
|
|
Loading…
Reference in a new issue