[PATCH] vdpa/mlx5: workaround queue stop with traffic

[Xia, Chenbo]

> -----Original Message-----
> From: Matan Azrad <matan at nvidia.com>
> Sent: Monday, November 22, 2021 9:13 PM
> To: Maxime Coquelin <maxime.coquelin at redhat.com>
> Cc: dev at dpdk.org; stable at dpdk.org; Xueming Li <xuemingl at 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 at dpdk.org
> 
> Signed-off-by: Matan Azrad <matan at nvidia.com>
> Acked-by: Xueming Li <xuemingl at nvidia.com>
> ---
> --
> 2.25.1

Applied to next-virtio/main, thanks