iommu/vt-d: Use inline function dma_pte_superpage instead of macros

Use inline function dma_pte_superpage() instead of macro for
better readability.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 5fee0f983c03afaa2d5485164eaa802444fe146c..219c2c51a3122504e1dd357aa02c5de6f5175246 100644 (file)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -892,7 +892,7 @@ static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain,
                        break;
                }
 
-               if (pte->val & DMA_PTE_LARGE_PAGE) {
+               if (dma_pte_superpage(pte)) {
                        *large_page = total;
                        return pte;
                }