iommu/amd: make sure TLB to be flushed before IOVA freed

[linux-2.6-microblaze.git] / drivers / iommu / amd_iommu.c

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index e688169..874e648 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2407,9 +2407,9 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
        }
 
        if (amd_iommu_unmap_flush) {
-               dma_ops_free_iova(dma_dom, dma_addr, pages);
                domain_flush_tlb(&dma_dom->domain);
                domain_flush_complete(&dma_dom->domain);
+               dma_ops_free_iova(dma_dom, dma_addr, pages);
        } else {
                pages = __roundup_pow_of_two(pages);
                queue_iova(&dma_dom->iovad, dma_addr >> PAGE_SHIFT, pages, 0);