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Date: Thu, 30 Apr 2009 19:32:59 +0300
From: Avi Kivity <avi@redhat.com>
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Subject: Re: [Qemu-devel] Re: [PATCH 9/9] Introduce VLANClientState::cleanup()
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To: Paul Brook <paul@codesourcery.com>
Cc: Mark McLoughlin <markmc@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, Marcelo Tosatti <mtosatti@redhat.com>, qemu-devel@nongnu.org, Markus Armbruster <armbru@redhat.com>

Paul Brook wrote:
> On Thursday 30 April 2009, Avi Kivity wrote:
>   
>> Paul Brook wrote:
>>     
>>>> Sure, you can short-ciruit the case where you have a pair of devices,
>>>> but then you need to revoke posted receive descriptors.
>>>>         
>>> Isn't the same true with a point-point API? When you add a third device
>>> to the vlan you're going to have to break the tap-guest link, and insert
>>> a proxy in the middle.
>>>       
>> I thought with a point-to-point API, you would not actually be inserting
>> any third device.
>>     
>
> That's a fair chunk of functionality you just lost then.
>   

True, but is it actually useful?

Short-circuiting two guest devices probably isn't.  Adding host devices 
(like recording packets) might be.


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