RE: [PATCH net 2/4] hv_netvsc: reset vf_inject on VF removal

[Yuval Mintz]

> +static void netvsc_inject_enable(struct net_device_context
> +*net_device_ctx) {
> +	net_device_ctx->vf_inject = true;
> +}
> +
> +static void netvsc_inject_disable(struct net_device_context
> +*net_device_ctx) {
> +	net_device_ctx->vf_inject = false;
> +
> +	/* Wait for currently active users to drain out. */
> +	while (atomic_read(&net_device_ctx->vf_use_cnt) != 0)
> +		udelay(50);
> +}

That was already the behavior before, but are you certain you
want to unconditionally block without any possible timeout?