Subject: Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables
From: Nicholas Miell <nmiell@comcast.net>
To: Andi Kleen <andi@firstfloor.org>
Cc: Ulrich Drepper <drepper@gmail.com>,
       Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       linux-mm@kvack.org
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Date: Sat, 22 Mar 2008 03:16:31 -0700
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On Sat, 2008-03-22 at 10:10 +0100, Andi Kleen wrote:
> > Why not stick the bitmap in an xattr?
> 
> xattrs are too small for potentially large binaries

*sigh* this is probably true

> and a mess to manage (a lot of tools don't know about them)

At this point in time, all tools that don't support xattrs are
defective, but this is still probably true.

I just have an instinctive aversion towards the kernel mucking around in
ELF objects -- for one thing, you're going to have to blacklist
cryptographically signed binaries.


-- 
Nicholas Miell <nmiell@comcast.net>

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