From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Christopher Friesen <cfriesen@nortel.com>
Cc: Vadim Lobanov <vlobanov@speakeasy.net>,
linux-kernel@vger.kernel.org, tom.anderl@gmail.com
Subject: Re: [OT] volatile keyword
Date: Fri, 26 Aug 2005 16:39:58 +0100 [thread overview]
Message-ID: <1125070798.4958.99.camel@localhost.localdomain> (raw)
In-Reply-To: <430E37A0.1000304@nortel.com>
On Iau, 2005-08-25 at 15:26 -0600, Christopher Friesen wrote:
> > do
> > expires = timr->it_timer.expires;
> > while ((volatile long) (timr->it_timer.expires) != expires);
> >
> > Seems it's casting the value, not the pointer.
>
> Someone else will have to give the definitive answer, but it looks
> suspicious to me...
It really ought to be using rmb() in this case not volatile casting
Alan
next prev parent reply other threads:[~2005-08-26 15:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-25 20:44 [OT] volatile keyword Vadim Lobanov
2005-08-25 20:57 ` Christopher Friesen
2005-08-25 21:16 ` Vadim Lobanov
2005-08-25 21:26 ` Christopher Friesen
2005-08-26 15:39 ` Alan Cox [this message]
2005-08-26 7:20 ` Paolo Ornati
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