Re: Linux kernerl preemptive ??

From: Matti Aarnio (matti.aarnio@sonera.fi)
Date: Tue Feb 29 2000 - 06:27:42 EST


On Tue, Feb 29, 2000 at 02:51:56AM +0530, Aneesh Kumar K.V wrote:
> Can any one tell me whether linux kernel is preemptive , whether it is
> reenterent whether it support more than one CPU .(kernel is written in
> such a way that it run on more than one processor at a time )

        SMP support is quite good, but the kernel isn't PRE-EMPTIVE
        in sense that kernel thread X could be pre-empted by thread Y.
        Kernel threads can YIELD (e.g. while doing some wait) to other
        processing until whatever they are waiting for, they get it.

> regards
> aneesh

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