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    SubjectRe: [linux-audio-dev] low-latency scheduling patch for 2.4.0

    Nigel Gamble writes:
    > That's why MontaVista's kernel preemption patch uses sleeping mutex
    > locks instead of spinlocks for the long held locks.

    Anyone who uses sleeping mutex locks is asking for trouble. Priority
    inversion is an issue I dearly hope we never have to deal with in the
    Linux kernel, and sleeping SMP mutex locks lead to exactly this kind
    of problem.

    Later,
    David S. Miller
    davem@redhat.com
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