摘要：
关于CR0.WP我们知道CR0的WP位可以关闭内核写保护。他和页表的R/W位有关。Intel手册中的描述绕来绕去似乎一直没有说到重点。When the processor is in supervisor mode and the WP flag in register CR0 is clear (itsstate following reset initialization), all pages are both readable and writable (write-protection is ignored). When the processor is in user mode, 阅读全文