linux-kernel - Re: [PATCH] [powerpc] Fix Text randomization

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Message-ID: <1416306379.28359.0.camel@concordia>
Date:	Tue, 18 Nov 2014 21:26:19 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Vineeth Vijayan <vvijayan@...sta.com>
Cc:	benh@...nel.crashing.org, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, Anton Blanchard <anton@...ba.org>
Subject: Re: [PATCH] [powerpc] Fix Text randomization

On Tue, 2014-11-18 at 12:50 +0530, Vineeth Vijayan wrote:
> On Mon, Nov 17, 2014 at 12:23 PM, Michael Ellerman <mpe@...erman.id.au> wrote:
> > On Fri, 2014-11-14 at 14:42 +0530, Vineeth Vijayan wrote:
> >> Now there is no way to disable TEXT randomization on a PPC32/PPC64
> >> machine. Text randomization happens even in the case of "echo 0 >
> >> /proc/sys/kernel/randomize_va_space"
> >>
> >> This happens due to the incorrect definition of ELF_ET_DYN_BASE
> >> at arch/powerpc/include/asm/elf.h
> >>
> >> The function randomize_et_dyn is redundant and is removed.
> >
> > The patch looks OK, but for the change log I was thinking something more like
> > this:
> >
> >
> > powerpc: Use generic PIE randomization
> >
> Ok. Thats better.
> Do you want me to send a new patch with updated change log as mentioned ?
 
No that's OK, I've already merged it.

cheers


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