Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)

From: Thomas Gleixner
Date: Tue Jun 20 2006 - 11:11:03 EST


On Tue, 2006-06-20 at 17:01 +0100, Esben Nielsen wrote:
> Hi,
> I wanted to run some tests with RTExec and I wanted to play around with
> the priorities, but I could not set the priorities of softirq-hrtXXXX.
> I looked a bit in the code and found that hrtimer_adjust_softirq_prio() is
> called every loop, setting it back to priority 1.
>
> Why is that? Can it be fixed so it behaves as any other task you can use
> chrt on?

No, please see

http://www.linutronix.de/index.php?mact=News,cntnt01,detail,0&cntnt01articleid=8&cntnt01dateformat=%25b%20%25d%2C%20%25Y&cntnt01returnid=31

Dynamic priority support for high resolution timers

tglx


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