On 9 Nov 1999, Jes Sorensen wrote:
> I still don't see your point, if all non critical interrupts are
> running with sti(), then your critical one (ie. serial in this case)
> can interrupt any time. The serial handler is implemented so it runs
> with all other interrupts disabled, ie. it never gets disturbed by
> anyone.
>
> Where's the problem?
Everything is tuned for the serial interrupt and everything else is
untuned? So what happens if the serial perfomance isn't important (e.g.
you running only a debug terminal there), but you want all perfomance on
your ethernet card? And suppose there is also some disk activity...
bye, Roman
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