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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Message-ID: <20080206231040.GA6225@elte.hu>
Date:	Thu, 7 Feb 2008 00:10:40 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jiri Kosina <jkosina@...e.cz>
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)


* Jiri Kosina <jkosina@...e.cz> wrote:

> On Wed, 6 Feb 2008, Ingo Molnar wrote:
> 
> > i've already added the patch below to x86.git.
> 
> OK, cool, thanks.
> 
> Still, I think that we want the Documentation/sysctl/kernel.txt part 
> of my patch probably. Updated patch below.

thanks, applied.

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.

	Ingo
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