On Wed, May 25, 2005 at 04:58:41PM -0400, Tom Vier wrote:
> If irqs are run in threads, which are scheduled, how are they scheduled?
> fifo? What's the point then; simply to let the top half run to completion
> before another top half starts? If it's about setting scheduling priorities
> for irq threads, some one top half can prempt another, why not just use irq
> levels, like bsd (using pic's is slower than using threads?)?
The point is to have explicit scheduler control this kind with relation
to the RT app in question and not bring back retro Vax 11/780 device
drive semantics in the year 2005. Even FreeBSD/DragonFlyBSD has this
stuff removed.
bill
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