linux-kernel - Re: Out of tree module using LSM

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Date:	Fri, 30 Nov 2007 01:48:11 +0000
From:	Al Viro <viro@....linux.org.uk>
To:	Justin Banks <justinb@...bone.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Jon Masters <jonathan@...masters.org>,
	Ray Lee <ray-lk@...rabbit.org>, tvrtko.ursulin@...hos.com,
	Casey Schaufler <casey@...aufler-ca.com>,
	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org, Valdis.Kletnieks@...edu
Subject: Re: Out of tree module using LSM

On Thu, Nov 29, 2007 at 03:12:38PM -0700, Justin Banks wrote:

> It's not perfect, but as was recently pointed out, if you can only get
> 98% of the way there rather than 100% is that a reason for not trying to
> make it possible?

BTW, that's a fine example of a common fallacy: "$FOO is 98% of the way to
$TARGET" does not allow to interpolate the properties of $TARGET to those
of $FOO.

Telling that a condom is a 98% approximation to platonic ideal of such is
not particulary useful, especially if it turns out that what this number 
really means is that there's a hole on its tip covering 2% of surface...
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