Re: RT patch acceptance

NZG
2005-05-25T21:11:26Z

Is the RT patch for the x86 only or is it arch independent?
I'd like to do some work with it on our embedded boards if I don't get
restricted to pentiums.

thx,
NZG.

On Wednesday 25 May 2005 16:05, Esben Nielsen wrote:
> On Wed, 25 May 2005, 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?)?
>
> Long interrupt handlers can be interrupt by _tasks_, not only other
> interrupts! An audio application running in userspace can be scheduled
> over an ethernet interrupt handler copying data from the
> controller into RAM (without DMA).
>
> Esben
>
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