I thought IBM had/were doing that ?
> I noticed that the timer interrupt does very little. The question is this:
> how does scheduling work if/when there are no other interrupts occuring?
Just fine.
> The esa/390's are mainframes; there are no serial ports, no video or video interrupts,
> no regular i/o or bus interrupts; nothing else is ticking in any sort of
> quasi-periodic manner. What should I do, make the timer interrupt do a schedule
> every ten ticks or something?
The timer tick updates the task data and eventually causes a reschedule
to occur on the return from the timer interrupt. This shouldnt cause any
problems. Its just like a PC with nobody on the console and a polled disk
controller - and that works.
Alan
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