From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH] qemu-kvm: Switch POSIX compat AIO implementation to upstream
Date: Mon, 26 Sep 2011 20:24:47 +0300
Message-ID: <4E80B55F.5020203@redhat.com>
References: <4E78C42D.5030207@siemens.com> <20110921080600.GA9847@stefanha-thinkpad.localdomain> <4E80B50B.9000301@siemens.com>
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Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	kvm <kvm@vger.kernel.org>, Anthony Liguori <aliguori@us.ibm.com>,
	Kevin Wolf <kwolf@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
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On 09/26/2011 08:23 PM, Jan Kiszka wrote:
> >
> >  Perhaps qemu_eventfd() can be used in the future instead of an explicit
> >  pipe.  Then Linux will do eventfd while other OSes will fall back to
> >  pipes.
>
> Basically simpler code, or does this also have runtime benefits?
>

In corner cases, the completion can block on the write() with pipes, but 
not eventfd.

-- 
error compiling committee.c: too many arguments to function