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

From: Pavel Machek
Date: Mon Apr 02 2007 - 14:17:17 EST


Hi!


> 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_.

Pavel
--
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