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    SubjectRe: Real-Time Preemption and RCU
    Ingo Molnar wrote:

    > read_lock(&rwlock);
    > ...
    > read_lock(&rwlock);
    >are still legal. (it's also done quite often.)
    How do you handle the write_lock_irq()/read_lock locks?
    E.g. the tasklist_lock or the fasync_lock.

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