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Commit 86db2e5d authored by Joerg Roedel's avatar Joerg Roedel
Browse files

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: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent 38e817fe

arch/x86/kernel/amd_iommu.c

+5 −3
Original line number Diff line number Diff line
@@ -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);