Re: 2.4.18 Preempt Freezeups

Mikael Pettersson (mikpe@csd.uu.se)
Fri, 15 Mar 2002 17:11:42 +0100


Robert Love writes:
> Chances are the binary win4lin module just needs to be recompiled
> against a preemptive kernel.
>
> Of course, it could need some specific preempt-safe work but more than
> likely it just needs to be recompiled. Binary modules most be
> specifically preempt-kernel aware, like they need be SMP-kernel aware.

"more than likely": that's perhaps true for your average NIC/soundcard/
whatever driver, but things that poke the processor itself (like my
performance-monitoring counters driver) really do depend on not being
preempted. In my view, CONFIG_SMP is a minor triviality compared to
CONFIG_PREEMPT ...

/Mikael
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