powerpc: Fix Text randomization

[Michael Ellerman]

On Fri, 2014-10-10 at 05:45:26 UTC, Vineeth Vijayan wrote:
> Right now there is no way to disable TEXT randomization on a PPC32
> machine. text randomization happens even in the case of "echo 0 >
> /proc/sys/kernel/randomize_va_space"

Yeah it seems to happen on ppc64 too.

> This happens due to the incorrect definition of ELF_ET_DYN_BASE at
> arch/powerpc/include/asm/elf.h

What is incorrect about it? We are not the only arch that does that.

I'm not clear on what has changed to break this?

cheers