On Tue, 14 Aug 2007 08:12:29 +0300
Avi Kivity <[email protected]> wrote:
> Alan Cox wrote:
> > This is to protect it from being changed by an attacker or someone trying
> > to do strange and bogus things to the kernel.
> >
>
> Someone who apparently hasn't heard of vmap(), etc.
>
> It's a debug aid at best.
You assume the average attacker is smart. Fortunately this isn't true,
although some certainly are. For guests however we can push this further
as a hypervisor can implement 'irrevocably read only' pages for a guest.
Something we don't currently do but should.
Alan
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