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nexedi
linux
Commits
a75f7cf9
Commit
a75f7cf9
authored
Jun 27, 2009
by
David Woodhouse
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intel-iommu: Make dma_pte_clear_one() take pfn not address
Signed-off-by:
David Woodhouse
<
David.Woodhouse@intel.com
>
parent
90dcfb5e
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1 changed file
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3 additions
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3 deletions
+3
-3
drivers/pci/intel-iommu.c
drivers/pci/intel-iommu.c
+3
-3
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drivers/pci/intel-iommu.c
View file @
a75f7cf9
...
@@ -764,12 +764,12 @@ static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain,
...
@@ -764,12 +764,12 @@ static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain,
}
}
/* clear one page's page table */
/* clear one page's page table */
static
void
dma_pte_clear_one
(
struct
dmar_domain
*
domain
,
u
64
addr
)
static
void
dma_pte_clear_one
(
struct
dmar_domain
*
domain
,
u
nsigned
long
pfn
)
{
{
struct
dma_pte
*
pte
=
NULL
;
struct
dma_pte
*
pte
=
NULL
;
/* get last level pte */
/* 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
)
{
if
(
pte
)
{
dma_clear_pte
(
pte
);
dma_clear_pte
(
pte
);
...
@@ -792,7 +792,7 @@ static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end)
...
@@ -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 */
/* we don't need lock here, nobody else touches the iova range */
while
(
npages
--
)
{
while
(
npages
--
)
{
dma_pte_clear_one
(
domain
,
start
);
dma_pte_clear_one
(
domain
,
start
>>
VTD_PAGE_SHIFT
);
start
+=
VTD_PAGE_SIZE
;
start
+=
VTD_PAGE_SIZE
;
}
}
}
}
...
...
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