iommu/vt-d: Remove the useless dma_pte_addr (effad4b5) · Commits · e / devices / android_kernel_teracube_2e

drivers/iommu/intel-iommu.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -849,14 +849,12 @@ static struct dma_pte pfn_to_dma_pte(struct dmar_domain domain,

		domain_flush_cache(domain, tmp_page, VTD_PAGE_SIZE);
		pteval = ((uint64_t)virt_to_dma_pfn(tmp_page) << VTD_PAGE_SHIFT) \| DMA_PTE_READ \| DMA_PTE_WRITE;
		if (cmpxchg64(&pte->val, 0ULL, pteval)) {
		if (cmpxchg64(&pte->val, 0ULL, pteval))
		/* Someone else set it while we were thinking; use theirs. */
		free_pgtable_page(tmp_page);
		} else {
		dma_pte_addr(pte);
		else
		domain_flush_cache(domain, pte, sizeof(*pte));
		}
		}
		if (level == 1)
		break;