Messages in this thread | | | Subject | Re: SMP/cc Cluster description [was Linux/Pro] | Date | Wed, 5 Dec 2001 09:09:38 +0000 (GMT) | From | Alan Cox <> |
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> 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
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