| Date | Mon, 2 Apr 2007 13:22:55 +0000 | From | Pavel Machek <> | Subject | Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2) |
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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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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