Re: Alternative to TIF_FREEZE -> a notifier in the task_struct?

From: Christoph Lameter
Date: Thu Jul 28 2005 - 10:17:24 EST

On Thu, 28 Jul 2005, Pavel Machek wrote:

> > process. It may also allow changing values that so far cannot be
> > changed from the outside in the task struct by running a function
> > in the context of the process.
> Well, we really need slightly more from "running in process context":
> we also need "no locks held" for swsusp. (But other uses probably do,
> too?)

Other uses also need "no locks held".

> I guess I'd prefer if you left "refrigerator()" and "try_to_freeze()"
> functions in; there are about 1000 drivers that know/use them, and
> some patches are probably in the queue....

Yeah but then other uses also could benefit from that.

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