auto_update

sisyphus1212 · Apr 16, 2024 · cde121c · cde121c
1 parent 5f37d1f
commit cde121c
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diff --git a/source/_posts/linux/内核-驱动/dma/iommu流程.md b/source/_posts/linux/内核-驱动/dma/iommu流程.md
@@ -5,3 +5,4 @@ pci_map_single
                 intel_alloc_iova
                 domain_pfn_mapping
 
+# 如何知道哪些设备的dma要走页表进行转换，哪些设备的dma不需要进行地址转换呢