Messages in this thread | | | Date | Mon, 26 Feb 2007 15:00:43 +0300 | From | Oleg Nesterov <> | Subject | Re: [RFC][PATCH 1/3] Freezer: Fix vfork problem |
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On 02/26, Rafael J. Wysocki wrote: > > The changelog explains it pretty well, I hope, but I have one more comment to > start with. Namely, in this version of the patch I've added > > + if (is_user_space(current)) > + try_to_freeze(); > > to freezer_count() instead of just try_to_freeze(). This way kernel threads > can avoid being frozen where they don't want to.
In that case we should also modify ____call_usermodehelper(), otherwise we have the same "deadlock" if it is frozen. But this is not so easy to do as I thought before.
Oleg.
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