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authorDragos Tatulea <dtatulea@nvidia.com>2024-06-26 12:27:00 +0200
committerMichael S. Tsirkin <mst@redhat.com>2024-07-09 14:42:51 +0200
commit8e0751af1b1162342904dcb0410e8a8ef9cbf70b (patch)
tree498bb6c66f5fa455733f23ab24cc7af02ab58a28 /drivers/vdpa
parentvdpa/mlx5: Don't reset VQs more than necessary (diff)
downloadlinux-8e0751af1b1162342904dcb0410e8a8ef9cbf70b.tar.xz
linux-8e0751af1b1162342904dcb0410e8a8ef9cbf70b.zip
vdpa/mlx5: Don't enable non-active VQs in .set_vq_ready()
VQ indices in the range [cur_num_qps, max_vqs) represent queues that have not yet been activated. .set_vq_ready should not activate these VQs. Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Acked-by: Eugenio PĂ©rez <eperezma@redhat.com> Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com> Message-Id: <20240626-stage-vdpa-vq-precreate-v2-24-560c491078df@nvidia.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
-rw-r--r--drivers/vdpa/mlx5/net/mlx5_vnet.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 573dc01df8c3..fa78e8288ebb 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -1575,6 +1575,9 @@ static int resume_vq(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *mvq
if (!mvq->initialized)
return 0;
+ if (mvq->index >= ndev->cur_num_vqs)
+ return 0;
+
switch (mvq->fw_state) {
case MLX5_VIRTIO_NET_Q_OBJECT_STATE_INIT:
/* Due to a FW quirk we need to modify the VQ fields first then change state.