Message-ID: <43FBC9BF.2020407@zytor.com>
Date: Tue, 21 Feb 2006 18:17:35 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Jeff Bailey <jbailey@ubuntu.com>
CC: Michael Neuling <mikey@neuling.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       klibc@zytor.com, "miltonm@bga.com" <miltonm@bga.com>,
       Al Viro <viro@ftp.linux.org.uk>
Subject: Re: [klibc] [PATCH] initramfs: multiple CPIO unpacking fix
References: <20060216183745.50cc2bf6.mikey@neuling.org> <20060217160621.99b0ffd4.mikey@neuling.org> <20060222104525.affda1df.mikey@neuling.org> <1140574441.5304.37.camel@localhost.localdomain>
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Jeff Bailey wrote:
> 
> I've tended to think of this as a feature, actually.  In Ubuntu, for
> instance, we might have 2.6.15-8 and 2.6.15-9 which represent different
> ABIs from security updates or other changes.  If I have a module that is
> intended to be compatible with both, I might setup /lib/modules/generic
> to be a symlink to /lib/modules/2.6.15-9/ and unpack the modules after
> the symlink is expected to be there.
> 

This is pretty broken for a bunch of other reasons, though.  In 
particular, it prevents the very useful behaviour of providing a symlink 
in entry A that can be overridden by a file in entry B.

> (I don't think we use this feature right now, but I had tested it and
> noted it before.  It's very convenient, since it's the exact same
> behaviour that dpkg itself has)

I would personally consider that a bug in dpkg :-/

	-hpa
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