[dpdk-dev] [PATCH] doc: announce Vhost dequeue zero-copy removal

[Xia, Chenbo]

> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin at redhat.com>
> Sent: Monday, August 3, 2020 10:56 PM
> To: dev at dpdk.org; ktraynor at redhat.com; Stokes, Ian <ian.stokes at intel.com>;
> Xia, Chenbo <chenbo.xia at intel.com>; Wang, Zhihong
> <zhihong.wang at intel.com>
> Cc: Loftus, Ciara <ciara.loftus at intel.com>; Maxime Coquelin
> <maxime.coquelin at redhat.com>
> Subject: [PATCH] doc: announce Vhost dequeue zero-copy removal
> 
> Vhost-user dequeue zero-copy support will be removed in 20.11. The only
> known user is OVS where the feature is still experimental, and has not received
> any update for several years. This feature faces reliability issues and is often
> conflicting with new features being implemented.
> 
> Signed-off-by: Maxime Coquelin <maxime.coquelin at redhat.com>
> ---
> 
> Hi, the topic was discussed during OVS-DPDK public meeting on July 22nd. Ian, if
> you had time to discuss the topic with your team and agree with the removal,
> please ack the patch.
> If, not please let me know.
> 
>  doc/guides/rel_notes/deprecation.rst | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst
> b/doc/guides/rel_notes/deprecation.rst
> index ea4cfa7a48..a923849419 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -151,3 +151,8 @@ Deprecation Notices
>    Python 2 support will be completely removed in 20.11.
>    In 20.08, explicit deprecation warnings will be displayed when running
>    scripts with Python 2.
> +
> +* vhost: Vhost-user dequeue zero-copy support will be removed in 20.11.
> +The
> +  only known user is OVS where the feature is still experimental, and
> +has not
> +  received any update for 2.5 years. This feature faces reliability
> +issues and
> +  is often conflicting with new features being implemented.
> --
> 2.26.2

Acked-by: Chenbo Xia <chenbo.xia at intel.com>