Re: [PATCH] Notifier for significant events on i386

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Wed Dec 11 2002 - 16:15:36 EST

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On Wed, 2002-12-11 at 20:27, John Levon wrote:
> There are notifiers being used that sleep inside the called notifiers.
>
> You could easily make a __notifier_call_chain that is lockless and
> another one that readlocks the notifier_lock ...

The notifier chains assume the users will do the locking needed for
them. It might be possible to do cool things there with RCU

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