This is a note to let you know that I've just added the patch titled vdpa/mlx5: Update Control VQ callback information to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: vdpa-mlx5-update-control-vq-callback-information.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 40f2f3e94178d45e4ee6078effba2dfc76f6f5ba Mon Sep 17 00:00:00 2001 From: Eli Cohen <elic@xxxxxxxxxx> Date: Mon, 13 Jun 2022 10:59:57 +0300 Subject: vdpa/mlx5: Update Control VQ callback information From: Eli Cohen <elic@xxxxxxxxxx> commit 40f2f3e94178d45e4ee6078effba2dfc76f6f5ba upstream. The control VQ specific information is stored in the dedicated struct mlx5_control_vq. When the callback is updated through mlx5_vdpa_set_vq_cb(), make sure to update the control VQ struct. Fixes: 5262912ef3cf ("vdpa/mlx5: Add support for control VQ and MAC setting") Signed-off-by: Eli Cohen <elic@xxxxxxxxxx> Message-Id: <20220613075958.511064-1-elic@xxxxxxxxxx> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> Acked-by: Jason Wang <jasowang@xxxxxxxxxx) Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1698,6 +1698,8 @@ static void mlx5_vdpa_set_vq_cb(struct v struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); ndev->event_cbs[idx] = *cb; + if (is_ctrl_vq_idx(mvdev, idx)) + mvdev->cvq.event_cb = *cb; } static void mlx5_cvq_notify(struct vringh *vring) Patches currently in stable-queue which might be from elic@xxxxxxxxxx are queue-5.15/vdpa-mlx5-update-control-vq-callback-information.patch