Re: [Xen-devel] [RFC PATCH 2/6] netback: add module unload function.

[David Vrabel <dvrabel@xxxxxxxxxx>]

On 13/01/12 16:59, Wei Liu wrote:
> Enables users to unload netback module.
[...]
> diff --git a/drivers/net/xen-netback/netback.c 
> b/drivers/net/xen-netback/netback.c
> index 26af7b7..dd10c0d 100644
> --- a/drivers/net/xen-netback/netback.c
> +++ b/drivers/net/xen-netback/netback.c
> @@ -1653,5 +1653,19 @@ failed_init:
>  
>  module_init(netback_init);
>  
> +static void __exit netback_exit(void)
> +{
> +     int i;
> +     for (i = 0; i < xen_netbk_group_nr; i++) {
> +             struct xen_netbk *netbk = &xen_netbk[i];
> +             del_timer(&netbk->net_timer);

This needs to be del_timer_sync().

> +             kthread_stop(netbk->task);
> +     }
> +     vfree(xen_netbk);
> +     page_pool_destroy();
> +     xenvif_xenbus_exit();
> +}

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