> > ugh, we do Linux interrupts while in the APM BIOS?
>
> We have to. Most APM bios expects interrupts to be happening. In
> pre-emptive mode we may well even be switching to/from APM BIOS code in
> 2.5 at the moment. I've not looked into that.
i think that since we hold the APM spinlock (do we always, when calling
into the APM BIOS?), we should not preempt any APM BIOS code.
Ingo
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