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Date: Tue, 24 Jul 2001 11:46:40 -0400 (EDT)
From: Alexander Viro <viro@math.psu.edu>
To: Davide Libenzi <davidel@xmailserver.org>
cc: Jonathan Lundell <jlundell@pobox.com>, Jan Hubicka <jh@suse.cz>,
        linux-kernel@vger.kernel.org,
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        Jeff Dike <jdike@karaya.com>, Andrea Arcangeli <andrea@suse.de>,
        Linus Torvalds <torvalds@transmeta.com>
Subject: Re: user-mode port 0.44-2.4.7
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On Tue, 24 Jul 2001, Davide Libenzi wrote:

> One more thing, with volatile you specify it one time ( declaration time ),
> while with barrier() you've to spread inside the code tons of such macro
> everywhere you touch the variable.

That's the whole point, damnit. Syntax (or semantics) sugar is a Bad Thing(tm).
If your algorithm depends on something in a nontrivial way - _spell_ _it_ _out_.

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