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Message-ID: <00ba01c17db6$e6963c90$f5976dcf@nwfs>
From: "Jeff Merkey" <jmerkey@timpanogas.org>
To: <erich@uruk.org>, "Alan Cox" <alan@lxorguk.ukuu.org.uk>
Cc: "Larry McVoy" <lm@bitmover.com>, <linux-kernel@vger.kernel.org>
In-Reply-To: <E16BY3e-0005S9-00@the-village.bc.nu>
Subject: Re: SMP/cc Cluster description [was Linux/Pro]
Date: Wed, 5 Dec 2001 11:01:44 -0700
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----- Original Message -----
From: "Alan Cox" <alan@lxorguk.ukuu.org.uk>
To: <erich@uruk.org>
Cc: "Larry McVoy" <lm@bitmover.com>; <linux-kernel@vger.kernel.org>
Sent: Wednesday, December 05, 2001 2:09 AM
Subject: Re: SMP/cc Cluster description [was Linux/Pro]


> > For example, there should be no reason that most drivers or any other
> > random kernel module should know anything about SMP.  Under Linux, it
> > annoys me to no end that I have to ever know (and yes, I count compiling
> > against "SMP" configuration having to know)...  more and more sources of
> > error.
>
> Unfortunately the progression with processors seems to be going the
> wrong way. Spin locks are getting more not less expensive. That makes
> CONFIG_SMP=n a meaningful optimisation for the 99%+ of people not running
> SMP

Amen.

Jeff

>
>
> Alan
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