Threaded interrupts and preemption

Alessio Igor Bogani abogani at
Tue Apr 13 06:30:25 UTC 2010


2010/4/13 Chase Douglas <chase.douglas at>:
>>> I think it would be fun to have an
>>> RT completely preemptible kernel just so we can try it out and have a
>> sudo apt-get install linux-rt
> As far as I know, our -rt isn't what everyone else means when they say
> RT. Our rt flavor just has full preemption and a higher tick rate.
> That's nothing compared to what is in the RT patch set maintained by
> tglx at The
> biggest changes that I'm aware of is the default threaded irq handlers
> and complete preemption in his patch set. Ubuntu kernels since at
> least Karmic have had threaded irq handlers, but the driver has to be
> reworked for it.

You are wrong.

The linux-rt package, since Feisty Fawn, contains kernel based on Ingo
Molnar, Thomas Gleixner and others works (that is


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