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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Thu, 13 Jul 2017 10:01:08 +0200
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Subject: Re: [Qemu-devel] [PULL 01/21] virtio-net: enable configurable tx
 queue size
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To: Wei Wang <wei.w.wang@intel.com>, "Michael S. Tsirkin" <mst@redhat.com>, qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>, Jason Wang <jasowang@redhat.com>, jan.scheurich@ericsson.com

On 07/04/2017 03:44 AM, Wei Wang wrote:
> On 07/04/2017 03:44 AM, Michael S. Tsirkin wrote:
>> From: Wei Wang <wei.w.wang@intel.com>
>>
>> This patch enables the virtio-net tx queue size to be configurable
>> between 256 (the default queue size) and 1024 by the user when the
>> vhost-user backend is used.
>>

<snip/>

> 
> Btw, users also expect the support of configuring the tx queue size could
> be added to libvirt soon.

Indeed. I've just posted patch for that:

https://www.redhat.com/archives/libvir-list/2017-July/msg00433.html

Michal