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    SubjectRe: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4]

    * Lee Revell <rlrevell@joe-job.com> wrote:

    > On Fri, 2004-10-29 at 23:25 +0200, Ingo Molnar wrote:
    > > > will do so. btw: i think i'm a bit confused right now. What debugging
    > > > features should i have enabled for this test?
    > >
    > > this particular one (atomicity-checking) is always-enabled if you have
    > > the -RT patch applied (it's a really cheap check).
    >
    > One more question, what do you recommend the priorities of the IRQ
    > threads be set to? AIUI for xrun-free operation with JACK, all that
    > is needed is to set the RT priorities of the soundcard IRQ thread
    > highest, followed by the JACK threads, then the other IRQ threads. Is
    > this correct?

    correct. softirqs are not used by the sound subsystem so there's no
    ksoftirqd dependency.

    Ingo
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