> - Use Linus' trick of a multi threaded UP kernel using
> SMP locks (2.5 material), also hated by Larry/Victor.
>
> - Add explicit need_resched checks in long latency paths as
> needed (what Ingo's patch does)
Note that multi threaded UP kernel doesn't mean to not check need_resched;
it instead means to check need_resched upon _each_ last spin_unlock*!
Andrea
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