linux-kernel - [PATCH vhost v2 14/24] vdpa/mlx5: Set mkey modified flags on all VQs

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Message-ID: <20240626-stage-vdpa-vq-precreate-v2-14-560c491078df@nvidia.com>
Date: Wed, 26 Jun 2024 13:26:50 +0300
From: Dragos Tatulea <dtatulea@...dia.com>
To: "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, Eugenio Pérez
	<eperezma@...hat.com>, Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky
	<leon@...nel.org>, Tariq Toukan <tariqt@...dia.com>, Si-Wei Liu
	<si-wei.liu@...cle.com>
CC: <virtualization@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
	<linux-rdma@...r.kernel.org>, <netdev@...r.kernel.org>, Cosmin Ratiu
	<cratiu@...dia.com>, Dragos Tatulea <dtatulea@...dia.com>
Subject: [PATCH vhost v2 14/24] vdpa/mlx5: Set mkey modified flags on all
 VQs

Otherwise, when virtqueues are moved from INIT to READY the latest mkey
will not be set appropriately.

Reviewed-by: Cosmin Ratiu <cratiu@...dia.com>
Acked-by: Eugenio Pérez <eperezma@...hat.com>
Signed-off-by: Dragos Tatulea <dtatulea@...dia.com>
---
 drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 7f1551aa1f78..a8ac542f30f7 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -2868,7 +2868,7 @@ static int mlx5_vdpa_change_map(struct mlx5_vdpa_dev *mvdev,
 
 	mlx5_vdpa_update_mr(mvdev, new_mr, asid);
 
-	for (int i = 0; i < ndev->cur_num_vqs; i++)
+	for (int i = 0; i < mvdev->max_vqs; i++)
 		ndev->vqs[i].modified_fields |= MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_MKEY |
 						MLX5_VIRTQ_MODIFY_MASK_DESC_GROUP_MKEY;
 

-- 
2.45.1