On Tuesday 02 December 2008, Joakim Tjernlund wrote:
> Oh, so the kernel thread actually gets pre-empted(is that a word?)
> once it has consumed its "time slice"?

And potentially at other times.  When an IRQ arrives and
is handled, that's a form of non-task preemption.  And
when that IRQ enables a higher-priority task, the lower
priority one can be preempted in a more usual manner.


> Do I need to turn on 
> pre-empt support in the kernel for this?

To get some kinds of preemption, yes.  But it's not
strictly required.

- Dave



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