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SubjectRe: [PATCH RFC 3/3] vdpa/mlx5: Disable VLAN support to support live migration
On Thu, Jun 16, 2022 at 9:28 PM Eli Cohen <elic@nvidia.com> wrote:
>
> Current qemu code does not support live migration for devices supporting
> VLAN. Disable it.

This looks like a bug that we need to fix in Qemu.

Thanks

>
> Note: this patch is provided just to enable testing with current qemu.
>
> Signed-off-by: Eli Cohen <elic@nvidia.com>
> ---
> drivers/vdpa/mlx5/net/mlx5_vnet.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> index 34bd81cb697c..1568cfdf07e6 100644
> --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
> +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> @@ -2172,7 +2172,6 @@ static u64 get_supported_features(struct mlx5_core_dev *mdev)
> mlx_vdpa_features |= BIT_ULL(VIRTIO_NET_F_MQ);
> mlx_vdpa_features |= BIT_ULL(VIRTIO_NET_F_STATUS);
> mlx_vdpa_features |= BIT_ULL(VIRTIO_NET_F_MTU);
> - mlx_vdpa_features |= BIT_ULL(VIRTIO_NET_F_CTRL_VLAN);
>
> return mlx_vdpa_features;
> }
> --
> 2.35.1
>

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