Re: Patch 4/6 randomize the stack pointer

[Linus Torvalds <torvalds@osdl.org>]

On Thu, 27 Jan 2005, Arjan van de Ven wrote:
> 
> and then there are architectures with an upward growing stack....
> and maybe the alignment will even vary per cpu type (runtime) for some
> architectures? Maybe arch maintainers can jump in quickly to say if a
> scheme with a per arch shift factor would be sufficient or if all kinds
> of horrors would creep up for them  (in which case a per arch function
> would be more suitable)

I think it's much nicer to just have the generic randomization hook, and 
not try to do something fancy. It's not like this is complex, and it's a 
lot better to have the same (simple) code duplicated five times than it is 
to make a (much more complex) interface to have things shared.

		Linus