linux-kernel - Re: [PATCH] Document randomize_va_space and CONFIG_COMPAT_BRK (was Re: [PATCH 2/2] ASLR: add possibility for more fine-grained tweaking)

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Date:	Thu, 7 Feb 2008 10:49:41 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Hugh Dickins <hugh@...itas.com>, Pavel Machek <pavel@....cz>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Document randomize_va_space and CONFIG_COMPAT_BRK (was
 Re: [PATCH 2/2] ASLR: add possibility for more fine-grained	tweaking)

On Thu, 7 Feb 2008, Ingo Molnar wrote:

> > Still, I think that we want the Documentation/sysctl/kernel.txt part 
> > of my patch probably. Updated patch below.
> thanks, applied.

.. and I have just noticed that my patch was by mistake missing signoff. 
Could you please add 

Signed-off-by: Jiri Kosina <jkosina@...e.cz>

to the patch in your tree? Thanks.

> i'm wondering about the following detail: i guess on 64-bit x86 kernels 
> we could default to !CONFIG_COMPAT_BRK? In 1997 there was no 64-bit x86. 
> Maybe for compat 32-bit binaries we could keep it off, but always do it 
> for 64-bit binaries.

That actually makes sense, thanks. I will send you a patch.

Thanks,

-- 
Jiri Kosina
SUSE Labs
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