Re: [dpdk-dev] [PATCH 0/2] Fix vhost performance regression

["Wang, Yinan" <yinan.wang@intel.com>]

Hi Maxime,

The performance drop issue can be fixed, thanks!
The multi-queues interrupt issue still exist w/ this patch set.

BR,
Yinan

> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin@redhat.com>
> Sent: 2020?7?23? 21:09
> To: dev@dpdk.org; matan@mellanox.com; Xia, Chenbo
> <chenbo.xia@intel.com>; Liu, Yong <yong.liu@intel.com>; Wang, Yinan
> <yinan.wang@intel.com>
> Cc: thomas@monjalon.net; Yigit, Ferruh <ferruh.yigit@intel.com>;
> david.marchand@redhat.com; Maxime Coquelin
> <maxime.coquelin@redhat.com>
> Subject: [PATCH 0/2] Fix vhost performance regression
> 
> Hi,
> 
> This series aims at fixing the performance degradation reported
> by Intel QE. I managed to reproduce the issue, and this series
> fixes it.
> 
> I only tested the first test case provided in the Bz[0], but wanted
> to send early for Intel QE to try and confirm it solves the issue.
> 
> I will work on reproducing the other test cases, and see if this
> also fixes them.
> 
> Thanks to Intel QE team for finding this issue.
> Maxime
> 
> [0]: https://bugs.dpdk.org/show_bug.cgi?id=507#c0
> 
> Maxime Coquelin (2):
>   vhost: fix guest notification setting
>   net/vhost: fix queue update
> 
>  drivers/net/vhost/rte_eth_vhost.c | 25 ++++++-------------------
>  lib/librte_vhost/vhost.c          | 24 ++++++++++++++++++++----
>  lib/librte_vhost/vhost.h          |  5 +++++
>  lib/librte_vhost/vhost_user.c     | 11 ++++++++---
>  4 files changed, 39 insertions(+), 26 deletions(-)
> 
> --
> 2.26.2