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From: Jason Wang <jasowang@redhat.com>
To: Greg Kurz <gkurz@linux.vnet.ibm.com>, Eric Blake <eblake@redhat.com>
Cc: famz@redhat.com, qemu-devel@nongnu.org, mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH V2] tap: vhost busy polling support
Date: Thu, 7 Apr 2016 12:54:51 +0800	[thread overview]
Message-ID: <5705E81B.3020107@redhat.com> (raw)
In-Reply-To: <20160406191619.0b81acc0@bahia.huguette.org>



On 04/07/2016 01:16 AM, Greg Kurz wrote:
> On Wed, 6 Apr 2016 09:05:21 -0600
> Eric Blake <eblake@redhat.com> wrote:
>
>> On 04/06/2016 03:15 AM, Jason Wang wrote:
>>> This patch add the capability of basic vhost net busy polling which is
>>> supported by recent kernel. User could configure the maximum number of
>>> us that could be spent on busy polling through a new property of tap
>>> "vhost-poll-us".
>>>
>>> Signed-off-by: Jason Wang <jasowang@redhat.com>
>>> ---  
>>> +++ b/qapi-schema.json
>>> @@ -2531,6 +2531,9 @@
>>>  #
>>>  # @queues: #optional number of queues to be created for multiqueue capable tap
>>>  #
>>> +# @vhost-poll-us: #optional maximum number of microseconds that could
>>> +# be spent on busy polling for vhost net  
>> Missing a '(since 2.X)' designation (not sure if X should be 6 or 7)
>>
> According to another mail from Jason, this isn't 2.6 material.
>
> --
> Greg

Right, it's for 2.7.

Will post V3

Thanks

      reply	other threads:[~2016-04-07  4:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-06  9:15 [Qemu-devel] [PATCH V2] tap: vhost busy polling support Jason Wang
2016-04-06 15:05 ` Eric Blake
2016-04-06 17:16   ` Greg Kurz
2016-04-07  4:54     ` Jason Wang [this message]

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