Re: [PATCH RFC 1/3] xdp: Infrastructure to generalize XDP

[Thomas Graf]

On 09/20/16 at 03:00pm, Tom Herbert wrote:
> +static inline int __xdp_hook_run(struct list_head *list_head,
> +                              struct xdp_buff *xdp)
> +{
> +     struct xdp_hook_ops *elem;
> +     int ret = XDP_PASS;
> +
> +     list_for_each_entry(elem, list_head, list) {
> +             ret = elem->hook(elem->priv, xdp);
> +             if (ret != XDP_PASS)
> +                     break;
> +     }

Walking over a linear list? Really? :-) I thought this was supposed
to be fast, no compromises made.