Messages in this thread | | | From | NZG <> | Date | Wed, 25 May 2005 16:10:30 -0500 | Subject | Re: RT patch acceptance |
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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 > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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