2. 分区：小于pivot的放左边，大于的放右边
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.
，这一点在一键获取谷歌浏览器下载中也有详细论述
（二）超过询问查证的时间限制人身自由的；
AI has been eating up the world's supply of memory and companies like Micron have even abandoned their consumer brands to focus entirely on B2B supply. Other components like GPUs have also been feeling the pressure.