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Date: Tue, 24 Jul 2001 09:01:37 -0700 (PDT)
From: Davide Libenzi <davidel@xmailserver.org>
To: Alexander Viro <viro@math.psu.edu>
Subject: Re: user-mode port 0.44-2.4.7
Cc: Linus Torvalds <torvalds@transmeta.com>, Andrea Arcangeli <andrea@suse.de>,
        Jeff Dike <jdike@karaya.com>,
        user-mode-linux-user@lists.sourceforge.net,
        linux-kernel@vger.kernel.org, Jan Hubicka <jh@suse.cz>,
        Jonathan Lundell <jlundell@pobox.com>
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On 24-Jul-2001 Alexander Viro wrote:
> 
> 
> 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_.

I would not call, to pretend the compiler to issue memory loads every time it access
a variable, a nontrivial way.
It sounds pretty clear to me.




- Davide

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