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From: Valdis.Kletnieks@vt.edu
To: "Leonidas ." <leonidas137@gmail.com>
Cc: Chris Friesen <cfriesen@nortel.com>,
	Noah Watkins <noah@noahdesu.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Difference between atomic operations and memory barriers
Date: Tue, 27 Oct 2009 07:51:43 -0400	[thread overview]
Message-ID: <45208.1256644303@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Tue, 27 Oct 2009 00:30:45 +0530." <f22d86810910261200n130fda06r46fdbcc808195002@mail.gmail.com>

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On Tue, 27 Oct 2009 00:30:45 +0530, "Leonidas ." said:

> So we can safely assume that pointer assignment will be done in an
> atomic manner?

Has anybody ever actually made a *production* CPU that had non-atomic
pointer assignments?  And how long before the crazed programmers lynched
and burned the offending CPU designer at the stake? ;)

Non-atomic pointer assignments are the CPU design equivalent of Vogon poetry.
Just Say No. With a shotgun if needed.

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  parent reply	other threads:[~2009-10-27 11:51 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-26 17:19 Leonidas .
     [not found] ` <7ADB5FD7-9C97-4987-BC20-997258B25FD2@noahdesu.com>
2009-10-26 18:22   ` Leonidas .
2009-10-26 18:54     ` Chris Friesen
2009-10-26 19:00       ` Leonidas .
2009-10-26 19:07         ` Noah Watkins
2009-10-26 19:34           ` Stefan Richter
2009-10-26 19:42             ` Noah Watkins
2009-10-27 11:51         ` Valdis.Kletnieks [this message]
2009-10-28 10:00           ` Boaz Harrosh
2009-10-28 13:26             ` Valdis.Kletnieks
2009-10-26 19:00     ` Stefan Richter
2009-10-26 19:05       ` Leonidas .
2009-10-27 10:21         ` Michael Schnell
2009-10-27 10:23           ` Leonidas .
2009-10-27 11:01             ` Michael Schnell
2009-10-27 14:57             ` Stefan Richter

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