From: "Xia, Chenbo" <chenbo.xia@intel.com>
To: Matan Azrad <matan@nvidia.com>,
Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"stable@dpdk.org" <stable@dpdk.org>,
Xueming Li <xuemingl@nvidia.com>
Subject: RE: [PATCH] vdpa/mlx5: workaround queue stop with traffic
Date: Thu, 27 Jan 2022 05:10:17 +0000 [thread overview]
Message-ID: <SN6PR11MB3504D0824FB5FBE5968108F29C219@SN6PR11MB3504.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20211122131235.3270961-1-matan@nvidia.com>
> -----Original Message-----
> From: Matan Azrad <matan@nvidia.com>
> Sent: Monday, November 22, 2021 9:13 PM
> To: Maxime Coquelin <maxime.coquelin@redhat.com>
> Cc: dev@dpdk.org; stable@dpdk.org; Xueming Li <xuemingl@nvidia.com>
> Subject: [PATCH] vdpa/mlx5: workaround queue stop with traffic
>
> When the event thread polls traffic and a virtq is stopping, the FW loses
> synchronization in the virtq indexes.
>
> It causes LM failure on synchronization between the HOST indexes to
> the GUEST indexes.
>
> Unset the event thread before the queue stop in the LM process.
>
> Fixes: 31b9c29c86af ("vdpa/mlx5: support close and config operations")
> Cc: stable@dpdk.org
>
> Signed-off-by: Matan Azrad <matan@nvidia.com>
> Acked-by: Xueming Li <xuemingl@nvidia.com>
> ---
> --
> 2.25.1
Applied to next-virtio/main, thanks
prev parent reply other threads:[~2022-01-27 5:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 13:12 Matan Azrad
2022-01-26 13:20 ` Maxime Coquelin
2022-01-27 5:10 ` Xia, Chenbo [this message]
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