Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 04/21] AMD IOMMU: make dma_ops_free_pagetable generic | Date | Tue, 9 Dec 2008 15:16:01 +0100 |
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Impact: change code to free pagetables from protection domains
The dma_ops_free_pagetable function can only free pagetables from dma_ops domains. Change that to free pagetables of pure protection domains.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- arch/x86/kernel/amd_iommu.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index e96a2f3..85a62e9 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -585,12 +585,12 @@ static void dma_ops_reserve_addresses(struct dma_ops_domain *dom, iommu_area_reserve(dom->bitmap, start_page, pages); } -static void dma_ops_free_pagetable(struct dma_ops_domain *dma_dom) +static void free_pagetable(struct protection_domain *domain) { int i, j; u64 *p1, *p2, *p3; - p1 = dma_dom->domain.pt_root; + p1 = domain->pt_root; if (!p1) return; @@ -611,6 +611,8 @@ static void dma_ops_free_pagetable(struct dma_ops_domain *dma_dom) } free_page((unsigned long)p1); + + domain->pt_root = NULL; } /* @@ -622,7 +624,7 @@ static void dma_ops_domain_free(struct dma_ops_domain *dom) if (!dom) return; - dma_ops_free_pagetable(dom); + free_pagetable(&dom->domain); kfree(dom->pte_pages); -- 1.5.6.4
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