linux-kernel - Re: [patch] eventfd - revised interface and cleanups

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Message-ID: <alpine.DEB.1.10.0906231000540.17001@makko.or.mcafeemobile.com>
Date:	Tue, 23 Jun 2009 10:04:00 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Avi Kivity <avi@...hat.com>
cc:	Davide Libenzi <davidel@...ilserver.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>, kvm@...r.kernel.org,
	Gregory Haskins <ghaskins@...ell.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Benjamin LaHaise <bcrl@...ck.org>
Subject: Re: [patch] eventfd - revised interface and cleanups

On Tue, 23 Jun 2009, Avi Kivity wrote:

> On 06/23/2009 07:47 PM, Davide Libenzi wrote:
> > The following patch changes the eventfd interface to de-couple the eventfd
> > memory context, from the file pointer instance.
> > Without such change, there is no clean way to racely free handle the
> > POLLHUP event sent when the last instance of the file* goes away.
> > Also, now the internal eventfd APIs are using the eventfd context instead
> > of the file*.
> > Another cleanup this patch does, is making AIO select EVENTFD, instead of
> > adding a bunch of empty function stubs inside eventfd.h.
> > 
> > Andrew, this better go via Avi and the KVM tree, since they have patches
> > that will be based on the new interface.
> >    
> 
> The kvm patches will only be ready for 2.6.32.  Can this go in 2.6.31 now, and
> we'll meet in 10 weeks?

Either ways works for me.
Meanwhile, I'll repost with the revised documentation format.


- Davide


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