>> For instance, don't locks simply get compiled away to nothing on
>> uni-processor machines?
>
> Preempt causes most of the issues of SMP with few of the benefits. There
> are loads for which it's ideal, but for general use it may not be the
> right feature, and I ran it during the time when it was just a patch, but
> lately I'm convinced it's for special occasions.
Note that preemption was pushed by the embedded people Larry was advocating
for, not the big-machine crowd .... ironic, eh?
M.
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