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Date: Tue, 27 Sep 2011 09:57:53 -0500
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] [PATCH] Use qemu_eventfd for POSIX AIO
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To: Avi Kivity <avi@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>, Jan Kiszka <jan.kiszka@siemens.com>, Marcelo Tosatti <mtosatti@redhat.com>, qemu-devel <qemu-devel@nongnu.org>

On 09/27/2011 09:54 AM, Avi Kivity wrote:
> On 09/27/2011 05:50 PM, Jan Kiszka wrote:
>> On 2011-09-27 16:48, Avi Kivity wrote:
>> > On 09/27/2011 05:45 PM, Jan Kiszka wrote:
>> >> I don't disagree that there is still room for improving the existing
>> >> interface, generalizing to qemu_event. But that's not in the scope of
>> >> this patch.
>> >>
>> >
>> > Why not use event_notify.c?
>>
>> It doesn't solve the wrapping issue, it mandates eventfd support.
>>
>
> We can add pipe fallbacks too (though if it was meant to use with vhost, that's
> not what we want).

vhost cannot exist on a kernel that doesn't support eventfd so I don't think we 
need to worry about it.

Regards,

Anthony Liguori

>