Re: [RFC PATCH(experimental) 2/2] Fix freezer-kthread_stop race

[Pavel Machek]

Hi!

> > Of course, running try_to_freeze() in kthread_stop() would be very wrong,
> > so we'd actually need to do it in callers, preferably via a new
> > kthread_stop_freezeable() wrapper.
> > 
> Well, even then we'll need to ensure that a thread would not call
> kthread_stop_freezeable() with any locks held. That would mean more
> audits :)

I'll take audits over 200 new lines of code ;-). (And it should be
reasonably simple to audit; person doing kthread_stop() ->
ktrhread_stop_freezeable() should look after locks).
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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