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Mon, 8 Jul 2024 05:01:43 -0700 From: Dragos Tatulea Date: Mon, 8 Jul 2024 15:00:36 +0300 Subject: [PATCH vhost v3 12/24] vdpa/mlx5: Set an initial size on the VQ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20240708-stage-vdpa-vq-precreate-v3-12-afe3c766e393@nvidia.com> References: <20240708-stage-vdpa-vq-precreate-v3-0-afe3c766e393@nvidia.com> In-Reply-To: <20240708-stage-vdpa-vq-precreate-v3-0-afe3c766e393@nvidia.com> To: "Michael S. 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For the upcoming optimization of creating virtqueues at device add, the virtqueue size has to be configured. The queue size check in setup_vq() will always be false. So remove it. Signed-off-by: Dragos Tatulea Reviewed-by: Cosmin Ratiu --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5= _vnet.c index db86e541b788..406cc590fe42 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -58,6 +58,8 @@ MODULE_LICENSE("Dual BSD/GPL"); */ #define MLX5V_DEFAULT_VQ_COUNT 2 =20 +#define MLX5V_DEFAULT_VQ_SIZE 256 + struct mlx5_vdpa_cq_buf { struct mlx5_frag_buf_ctrl fbc; struct mlx5_frag_buf frag_buf; @@ -1445,9 +1447,6 @@ static int setup_vq(struct mlx5_vdpa_net *ndev, struc= t mlx5_vdpa_virtqueue *mvq) u16 idx =3D mvq->index; int err; =20 - if (!mvq->num_ent) - return 0; - if (mvq->initialized) return 0; =20 @@ -3523,6 +3522,7 @@ static void mvqs_set_defaults(struct mlx5_vdpa_net *n= dev) mvq->ndev =3D ndev; mvq->fwqp.fw =3D true; mvq->fw_state =3D MLX5_VIRTIO_NET_Q_OBJECT_NONE; + mvq->num_ent =3D MLX5V_DEFAULT_VQ_SIZE; } } =20 --=20 2.45.2