On 01/21/15 at 08:58pm, Herbert Xu wrote: > On Wed, Jan 21, 2015 at 09:49:28AM +0000, Thomas Graf wrote: > > > > An entry can move between different tables and thus chains need to be > > marked to identify what list a lookup ended up searching in. It's not > > the nulls marker itself that is needed, it's the bits in the last next > > pointer identifying the list that the nulls marker allows to be used > > which are essential. > > Can you describe in more detail how it's going to be used? I don't > see how I could use the bit if you need it to indicate the end of > the list. The usage will be identical to how __inet_lookup_listener() uses it. If at the end of the lookup, we ended up in a different table than we started, the lookup is restarted as an entry has moved to another table while we were moving over it. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html