Re: [RFC PATCH(Experimental) 0/4] Freezer based Cpu-hotplug

From: Pavel Machek
Date: Wed Feb 21 2007 - 14:43:27 EST


> Rafael,
> On Sat, Feb 17, 2007 at 12:24:45PM +0100, Rafael J. Wysocki wrote:
> >
> > Pavel, do you think we can remove the PF_NOFREEZE from bluetooth, BTW?
> The create_workqueue by default marks the worker_threads to be
> non_freezable. For cpu hotplug, all workqueues can be frozen
> except the "kthread" workqueue (which is single threaded, so won't
> be frozen anyway).
> And a quick cscope scan shows that only the "xfslogd" and "xfsdatad"
> are the only freezable workqueues. Any particular reason
> for not marking rest of the non-single_threaded workqueues freezeable ??

As I said, go ahead.

bluetooth has absolutely no business running while we are writing
suspend image to disk.

(First person suggesting
will be punished by only getting bread and water till he implements
(cesky, pictures)
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