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SubjectRe: [PATCH 3/3] x86: kernel base offset ASLR

* H. Peter Anvin <hpa@zytor.com> wrote:

> On 04/05/2013 01:04 AM, Ingo Molnar wrote:
> >
> > Random runtime shuffling of the kernel image - is that possible with
> > existing toolchains?
> >
>
> Yes... the question is how much work we'd be willing to go through to make it
> happen.
>
> One approach: the kernel already contains a linker -- used for modules -- and
> the bulk of the kernel could actually be composed to a "pile of modules" that
> gets linked on boot. This would provide very large amounts of randomness.

Is there no code generation / micro-performance disadvantage to that?

Thanks,

Ingo


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