Re: [PATCH] x86/boot: Refuse to build with data relocations

[H. Peter Anvin]

On 05/17/16 12:28, Kees Cook wrote:
>>
>> I think there is something way more subtle going on here, and it bothers
>> me exactly because it is subtle.  It may be that it is OK right now, but
>> there are alarm bells going on all over my brain on this.  I'm going to
>> stare at this for a bit and see if I can make sense of it; but if it
>> turns out that what we have is something really problematic it might be
>> better to apply a big hammer and avoid future breakage once and for all.
> 
> Sounds good. I would just like to decouple this from the KASLR
> improvements. This fragility hasn't changed as a result of that work,
> but I'd really like to have that series put to bed -- I've spent a lot
> of time already cleaning up it and other areas of the compressed
> kernel code. :)
> 

Agreed; this is orthogonal to kASLR.

	-hpa