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Re: [Qemu-devel] [PATCH V2] tap: vhost busy polling support
From: |
Jason Wang |
Subject: |
Re: [Qemu-devel] [PATCH V2] tap: vhost busy polling support |
Date: |
Thu, 7 Apr 2016 12:54:51 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 |
On 04/07/2016 01:16 AM, Greg Kurz wrote:
> On Wed, 6 Apr 2016 09:05:21 -0600
> Eric Blake <address@hidden> 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 <address@hidden>
>>> ---
>>> +++ 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