[dpdk-dev] [PATCH v2 0/3] Fix Vhost regressions

[Wang, Yinan]

This patch can fix multi-queue performance drop issue and interrupt issue.Thanks!

BR,
Yinan

> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin at redhat.com>
> Sent: 2020?7?29? 0:50
> To: dev at dpdk.org; matan at mellanox.com; Xia, Chenbo
> <chenbo.xia at intel.com>; Liu, Yong <yong.liu at intel.com>; Wang, Yinan
> <yinan.wang at intel.com>
> Cc: thomas at monjalon.net; Yigit, Ferruh <ferruh.yigit at intel.com>;
> david.marchand at redhat.com; Maxime Coquelin
> <maxime.coquelin at redhat.com>
> Subject: [PATCH v2 0/3] Fix Vhost regressions
> 
> This series aims at fixing the regressions reported by Intel QE.
> I managed to reproduce the issues, and this series fixes them.
> 
> The two first patches fix the performance regression. They have
> been tested by intel QE which confirms the fix.
> 
> The third patch fixes the interrupt regression. I tested it OK
> with l3fwd-power use-case, but it has not been confirmed by Intel
> QE yet. The fix could be further improved in the future by
> introducing a dedicated API in rte_epoll library to update epoll
> events.
> 
> Thanks to Intel QE team for all the validation work!
> Maxime
> 
> Maxime Coquelin (3):
>   vhost: fix guest notification setting
>   net/vhost: fix queue update
>   net/vhost: fix interrupt mode
> 
>  drivers/net/vhost/rte_eth_vhost.c | 61 ++++++++++++++++++++-----------
>  lib/librte_vhost/vhost.c          | 24 ++++++++++--
>  lib/librte_vhost/vhost.h          |  5 +++
>  lib/librte_vhost/vhost_user.c     | 11 ++++--
>  4 files changed, 72 insertions(+), 29 deletions(-)
> 
> --
> 2.26.2