Re: SMP/cc Cluster description [was Linux/Pro]

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 5 Dec 2001 09:09:38 +0000 (GMT)

> 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

Alan
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