All Invalidate Approach for Memory Management Unit

专利名称：All Invalidate Approach for Memory

Management Units

发明人：Andrew G. Kegel,Mark D. Hummel,Anthony

Asaro

申请号：US13563253申请日：20120731

公开号：US20140040560A1公开日：20140206

专利附图：

摘要：An input/output memory management unit (IOMMU) having an “invalidate all”command available to clear the contents of cache memory is presented. The cache

memory provides fast access to address translation data that has been previouslyobtained by a process. A typical cache memory includes device tables, page tables andinterrupt remapping entries. Cache memory data can become stale or be compromisedfrom security breaches or malfunctioning devices. In these circumstances, a rapidapproach to clearing cache memory content is provided.

申请人：Andrew G. Kegel,Mark D. Hummel,Anthony Asaro

地址：Redmond WA US,Franklin MA US,Toronto CA

国籍：US,US,CA

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