Re: [PATCH net-next v3 00/13] virtio: support packed ring

[David Miller]

From: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Date: Tue, 27 Nov 2018 01:08:08 -0500

> On Wed, Nov 21, 2018 at 06:03:17PM +0800, Tiwei Bie wrote:
>> Hi,
>> 
>> This patch set implements packed ring support in virtio driver.
>> 
>> A performance test between pktgen (pktgen_sample03_burst_single_flow.sh)
>> and DPDK vhost (testpmd/rxonly/vhost-PMD) has been done, I saw
>> ~30% performance gain in packed ring in this case.
>> 
>> To make this patch set work with below patch set for vhost,
>> some hacks are needed to set the _F_NEXT flag in indirect
>> descriptors (this should be fixed in vhost):
>> 
>> https://lkml.org/lkml/2018/7/3/33
> 
> I went over it and I think it's correct spec-wise.
> 
> I have some ideas for enhancements but let's start
> with getting this stuff merged first.
> 
> Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>

Series applied.