但就在这个乐观叙事的旁边，有一盆冷水不得不提。
// Fill with sequential bytes (our "data source")
，这一点在搜狗输入法2026中也有详细论述
The 386 supports four privilege rings (0 through 3), though in practice nearly all operating systems use just two: ring 0 for the kernel and ring 3 for user programs. Three privilege levels interact on every segment access: CPL (Current Privilege Level), DPL (Descriptor Privilege Level), and RPL (Requested Privilege Level).
无论最终商业模型是否成熟，这种模式试验本身，都属于产业进化过程中的重要一环。