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| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-12-02 18:20:21 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-03 14:11:53 +0100 |
| commit | 86db2e5d47bfa61a151d6ac83263f4bde4d52290 (patch) | |
| tree | b6ff290a63a27205b565b39189d6fd4ce2b15703 | |
| parent | 38e817febe2f12bd2fbf92a1df36f41946d0c223 (diff) | |
| download | linux-86db2e5d47bfa61a151d6ac83263f4bde4d52290.tar.bz2 | |
AMD IOMMU: make dma_ops_free_pagetable generic
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>
| -rw-r--r-- | 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 b11c855af7b4..8a0fd3d09973 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -587,12 +587,12 @@ 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; @@ -613,6 +613,8 @@ static void dma_ops_free_pagetable(struct dma_ops_domain *dma_dom) } free_page((unsigned long)p1); + + domain->pt_root = NULL; } /* @@ -624,7 +626,7 @@ 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); |