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Date: Sun, 9 Sep 2007 19:18:39 +0100
From: Arjan van de Ven <arjan@infradead.org>
To: Denys Vlasenko <vda.linux@googlemail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
       Nick Piggin <piggin@cyberone.com.au>,
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       segher@kernel.crashing.org
Subject: Re: [PATCH 0/24] make atomic_read() behave consistently across all
 architectures
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On Sun, 9 Sep 2007 19:02:54 +0100
Denys Vlasenko <vda.linux@googlemail.com> wrote:

> Why is all this fixation on "volatile"? I don't think
> people want "volatile" keyword per se, they want atomic_read(&x) to
> _always_ compile into an memory-accessing instruction, not register
> access.

and ... why is that?
is there any valid, non-buggy code sequence that makes that a
reasonable requirement?
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