Re: [RFC][PATCH] Randomize kernel base address on boot

H. Peter Anvin
2011-05-31T20:31:25Z

On 05/31/2011 01:27 PM, Ingo Molnar wrote:
>
>> Other than that, Ingo's idea at least have the merit that it would
>> break only older bootloaders doing things wrong.
>
> I'm wondering, why would it break older bootloaders? It's just a
> slightly larger than usual kernel image, nothing is visible to the
> bootloader.
>

Older boot loaders did not know how big the kernel image was, therefore
had no way to avoid memory space collision. That is fixed in boot
protocol 2.10.

-hpa