linux-kernel - Re: [KVM PATCH 3/4] eventfd: add generalized notifier interface

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Date:	Thu, 18 Jun 2009 10:45:25 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Gregory Haskins <ghaskins@...ell.com>
cc:	kvm@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>, mst@...hat.com, avi@...hat.com,
	paulmck@...ux.vnet.ibm.com, Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [KVM PATCH 3/4] eventfd: add generalized notifier interface

On Thu, 18 Jun 2009, Gregory Haskins wrote:

> We currently open-code notification registration via the f_ops->poll()
> method of the eventfd.  Lets abstract this into a notification API
> extension of eventfd, while still using the wait-queue as the underlying
> mechanism.  This will allow us to manage the notification mechanism
> internal to eventfd without requiring the clients to change.  This also
> gives us the opportunity to implement race-free release() callbacks,
> which we do later in the series.

Another attempt to push KVM stuff into eventfd. NACK.


- Davide


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