Real-mode programs freely execute CLI and STI to control interrupts, PUSHF and POPF to manipulate flags, INT n for DOS and BIOS calls, and IN/OUT for hardware I/O. In normal protected mode, these instructions are privilege-checked -- they execute normally if the caller has sufficient privilege, and fault otherwise. The 386 can't simply let V86 tasks execute them freely -- a DOS program disabling interrupts would bring down the whole system -- but trapping on every INT 21h call would make V86 impractically slow.
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1990年8月，藤森宣布实施“藤森冲击”（Fujishock）——一揽子休克疗法，包括大幅削减政府开支、取消价格与汇率管制，以及大规模私有化。与所有激进改革一样，这一过程极为痛苦，物价短期暴涨，民众生活水平骤降。
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Why Standard Solutions Failed，这一点在爱思助手下载最新版本中也有详细论述