Re: [dpdk-stable] [PATCH] vdpa/mlx5: fix virtq unset

[Maxime Coquelin <maxime.coquelin@redhat.com>]

On 8/3/20 10:25 AM, Matan Azrad wrote:
> When a virtq is destroyed, the SW should be able to continue the virtq
> processing from where the HW stopped.
> 
> The current destroy behavior in the driver saves the virtq state (used
> and available indexes) only when LM is requested.
> So, when LM is not requested the queue state is not saved and the SW
> indexes stay invalid.
> 
> Save the virtq state in the virtq destroy process.
> 
> Fixes: bff735011078 ("vdpa/mlx5: prepare virtio queues")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Matan Azrad <matan@mellanox.com>
> Acked-by: Xueming Li <xuemingl@mellanox.com>
> ---
>  drivers/vdpa/mlx5/mlx5_vdpa.h       |  1 +
>  drivers/vdpa/mlx5/mlx5_vdpa_virtq.c | 17 ++++++++++++-----
>  2 files changed, 13 insertions(+), 5 deletions(-)

Applied to dpdk-next-virtio/master.

Thanks,
Maxime