> static inline void dev_put(struct net_device *dev)
> {
> + struct task_struct *destroy_task = dev->destroy_task;
> +
> this_cpu_dec(*dev->pcpu_refcnt);
> + if (destroy_task)
> + wake_up_process(destroy_task);
> }I just realized that this introduces a race, if dev_put drops the last reference, an already running netdev_wait_allrefs runs to completion and then dev_put tries to wake it up. Any suggestions on how to avoid this without resorting to locking? Thanks, Francesco
