What surprised me was that this entire walk is fully hardware-driven -- no microcode involvement at all. The state machine reads the page directory entry, reads the page table entry, checks permissions, and writes back the Accessed and Dirty bits, all autonomously. Since it's hardware-driven, it runs in parallel with the microcode and needs its own memory bus arbitration -- the paging unit must share the bus with both data accesses from the microcode and prefetch requests from the instruction queue.
writable: false,
對此，牛犇評論這種說法稍微更合理一些，但是鑒於2012年以來政治環境的變化，如果張和李真敢這麼做，那說明他們若非極其無知就是膽大包天。這聽起來太像習近平掌權前的那些腐敗案子了。，这一点在Safew下载中也有详细论述
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Continue reading...。safew官方版本下载是该领域的重要参考
3014249710http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142497.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142497.html11921 全国人民代表大会常务委员会决定免职的名单