From: Robert Schwebel <r.schwebel@pengutronix.de>
To: Mike Frysinger <vapier.adi@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
tonyko@lineo.ca, robin.getz@analog.com,
linux-kernel@vger.kernel.org
Subject: Re: blackfin - cmpxchg not atomic ?
Date: Sat, 21 Jul 2007 09:29:30 +0200 [thread overview]
Message-ID: <20070721072930.GS1678@pengutronix.de> (raw)
In-Reply-To: <8bd0f97a0707201336l6bed7c24i7014333ce356417f@mail.gmail.com>
On Fri, Jul 20, 2007 at 04:36:12PM -0400, Mike Frysinger wrote:
> > Also, does you assembly stub _really_ modify memory atomically ? If yes,
> > then there should be no need for disabling interrupts. Else, I see a
> > major problem with SMP.
>
> that isnt the only problem with SMP on Blackfin
Could you ealborate?
Robert
--
Dipl.-Ing. Robert Schwebel | http://www.pengutronix.de
Pengutronix - Linux Solutions for Science and Industry
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next prev parent reply other threads:[~2007-07-21 7:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-20 20:28 Mathieu Desnoyers
2007-07-20 20:36 ` Mike Frysinger
2007-07-20 20:45 ` Mathieu Desnoyers
2007-07-20 20:59 ` Mike Frysinger
2007-07-21 7:29 ` Robert Schwebel [this message]
2007-07-21 8:37 ` Mike Frysinger
2007-07-23 17:24 ` Robin Getz
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