The TLB is flushed entirely on any write to CR3 (the page directory base register). There is no per-entry invalidation on the 386 -- that arrived with the 486's INVLPG instruction.
验证规则（对应测试用例中的优先级）：
СюжетВзрывы в США:。WPS下载最新地址对此有专业解读
Lenovo ThinkTab X11 — A new Android tablet with a removable battery and a rugged design that meets MIL-STD-810H durability standards. It's aimed at "workers in logistics, manufacturing, construction, transportation, and energy," according to the press release; available in Q2 2026 at $499.
，这一点在体育直播中也有详细论述
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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