The x86 protection model is notoriously complex, with four privilege rings, segmentation, paging, call gates, task switches, and virtual 8086 mode. What's interesting from a hardware perspective is how the 386 manages this complexity on a 275,000-transistor budget. The 386 employs a variety of techniques to implement protection: a dedicated PLA for protection checking, a hardware state machine for page table walks, segment and paging caches, and microcode for everything else.
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建立完善的安全管理体系,定期进行安全评估和渗透测试至关重要。,更多细节参见夫子
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第十三条 行政执法监督机构可以对本级行政执法机关之间涉及行政执法事项清单管理、案件管辖以及跨领域、跨区域行政执法等方面的争议进行协调;经协调不能取得一致意见的,行政执法监督机构应当提出处理意见,按程序报人民政府决定。