Re: [PATCH] paravirt.h

Alan Cox
2006-08-22T18:16:28Z

Ar Maw, 2006-08-22 am 10:36 -0700, ysgrifennodd Zachary Amsden:
> Write protection is great as a debug option to find accidental memory
> corruptions. It is useless as a technique to prevent subversion. Um
> hello, you're already at CPL-0. Just rewrite the page tables already.

That depends upon how clever you are. However if you want to load a
hypervisor under a running kernel and from it then you need an updatable
paravirt_ops.

Alan