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Date: Fri, 20 Apr 2007 20:31:18 +0200 From: Ingo Molnar <mingo@...e.hu> To: Andrew Morton <akpm@...ux-foundation.org> Cc: ego@...ibm.com, "Rafael J. Wysocki" <rjw@...k.pl>, Oleg Nesterov <oleg@...sign.ru>, linux-kernel@...r.kernel.org, vatsa@...ibm.com, paulmck@...ibm.com, pavel@....cz Subject: Re: [RFC PATCH(experimental) 2/2] Fix freezer-kthread_stop race * Andrew Morton <akpm@...ux-foundation.org> wrote: > > > I mean, we already have four of them (PF_NOFREEZE, PF_FROZEN, > > > PF_FREEZER_SKIP, TIF_FREEZE), and you will need to introduce two > > > more for the freezer-based CPU hotplug, so if yet another one is > > > needed, that will make up almost a separate u8 field ... > > > > I am perfectly ok with it. But I am not sure if everybody would > > agree to have another field in the task struct, though in this case > > it does make sense :-) > > OK by me. You might want to consider making that fields's locking > protocol be set_bit(), clear_bit(), etc rather than task_lock(). is OK to me too, the extra field isnt a problem. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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