On Thu, 28 Mar 2019 17:48:45 +
Haiyang Zhang wrote:
> +static inline void netvsc_tx_enable(struct netvsc_device *nvscdev,
> + struct net_device *ndev)
> +{
> + nvscdev->tx_disable = false;
> + mb(); /* ensure queue wake up mechanism is on */
> +
> +
From: Haiyang Zhang
After queue stopped, the wakeup mechanism may wake it up again
when ring buffer usage is lower than a threshold. This may cause
send path panic on NULL pointer when we stopped all tx queues in
netvsc_detach and start removing the netvsc device.
This patch fix it by adding a t
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