Which stack does the timer service routine use?

[joel at OARcorp.com (joel at OARcorp.com)]

On Fri, 28 May 1999, Jiri Gaisler wrote:

> Does anyone know which stack a timer service routine work on? Is
> it the interrupt stack, the task stack of the task that created
> the timer, or the task stack of the task that was interrupted by
> the timer interrupt? We're having some problems with stack overflow
> during timer handling but I don't know which stack to increase.
> 

Timer service routines are invoked during the clock_tick
directive and thus run on the Interrupt stack.

We talked at one time about making a dedicated timer server task but were
resistant adding the overhead.

--joel
Joel Sherrill, Ph.D.             Director of Research & Development
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