提交 86db2e5d 编写于 作者: J Joerg Roedel

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: NJoerg Roedel <joerg.roedel@amd.com>
上级 38e817fe
......@@ -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);
......
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