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    SubjectRe: [RFC] Cpu-hotplug: Using the Process Freezer (try2)

    > i'm wondering about how TASK_UNINTERRUPTIBLE tasks are handled by the
    > freezer: are they assumed frozen immediately, or do we wait until they
    > notice their PF_FREEZING and go into try_to_freeze()? I'd expect

    They have to wait. We need all tasks frozen _with no locks held_.

    (cesky, pictures)
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