Re: [PATCH] vdpa/mlx5: Clear vq ready indication upon device reset
From: Jason Wang <hidden>
Date: 2021-06-03 07:00:25
Also in:
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在 2021/6/2 下午4:59, Eli Cohen 写道:
After device reset, the virtqueues are not ready so clear the ready
field.
Failing to do so can result in virtio_vdpa failing to load if the device
was previously used by vhost_vdpa and the old values are ready.
virtio_vdpa expects to find VQs in "not ready" state.
Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Signed-off-by: Eli Cohen <redacted>Acked-by: Jason Wang <redacted>
quoted hunk
--- drivers/vdpa/mlx5/net/mlx5_vnet.c | 1 + 1 file changed, 1 insertion(+)diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 02a05492204c..e8bc0842b44c 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c@@ -862,6 +862,7 @@ static void destroy_virtqueue(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtq return; } umems_destroy(ndev, mvq); + mvq->ready = false; } static u32 get_rqpn(struct mlx5_vdpa_virtqueue *mvq, bool fw)
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