> Ow.  Yes, from my reading delay_tsc() can return early (or after
quoted text
> heat-death-of-the-universe) if the TSCs are offset and if preemption
> migrates the calling task between CPUs.
>
> I suppose a lameo fix would be to disable preemption in delay_tsc().

Yes. Can't think of any better reasonable fix.

-Andi
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