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Subject: Re: [PATCH 4/4] posix-timers: turn it_signal into it_valid flag
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>
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Date: Tue, 06 Sep 2011 22:27:40 +0200
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Le mardi 06 septembre 2011 à 22:10 +0200, Thomas Gleixner a écrit :

> Vs. the refcounting, that should be solvable by a rcu_barrier() before
> 
> +   idr_destroy(&sig->posix_timers_id);
> 
> in exit_itimers().

Well, rcu_barrier() is too slow, please Andi dont try this :)