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Re: [Qemu-devel] [PATCH] Use qemu_eventfd for POSIX AIO

From: Jan Kiszka
Subject: Re: [Qemu-devel] [PATCH] Use qemu_eventfd for POSIX AIO
Date: Tue, 27 Sep 2011 16:59:07 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv: Gecko/20080226 SUSE/ Thunderbird/ Mnenhy/

On 2011-09-27 16:54, 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).

Not a practical issue due to the dependency on much more recent vhost.

So EventNotifier will have to be migrated over a generic solution as
well. Again, that's food for additional patches.


Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

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