Re: [PATCH 2/2] vdpa/mlx5: Initialize CVQ iotlb spinlock

[Michael S. Tsirkin]

On Mon, Feb 06, 2023 at 02:20:16PM +0200, Eli Cohen wrote:
> Initialize itolb spinlock.
> 
> Fixes: 5262912ef3cf ("vdpa/mlx5: Add support for control VQ and MAC setting")
> Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>

threading was broken here but whatevs.

> ---
>  drivers/vdpa/mlx5/core/resources.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c
> index 45ad41287a31..d5a59c9035fb 100644
> --- a/drivers/vdpa/mlx5/core/resources.c
> +++ b/drivers/vdpa/mlx5/core/resources.c
> @@ -233,6 +233,7 @@ static int init_ctrl_vq(struct mlx5_vdpa_dev *mvdev)
>  	if (!mvdev->cvq.iotlb)
>  		return -ENOMEM;
>  
> +	spin_lock_init(&mvdev->cvq.iommu_lock);
>  	vringh_set_iotlb(&mvdev->cvq.vring, mvdev->cvq.iotlb, &mvdev->cvq.iommu_lock);
>  
>  	return 0;
> -- 
> 2.38.1