Messages in this thread | | | Subject | Re: [PATCH] vdpa/mlx5: Clear vq ready indication upon device reset | From | Jason Wang <> | Date | Thu, 3 Jun 2021 15:00:15 +0800 |
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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 <elic@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
> --- > 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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