Herbert Xu wrote: > On Fri, Jan 27, 2006 at 08:05:23AM -0500, jamal wrote: > >>+extern u32 sysctl_xfrm_aevent_on; > > > I'd prefer for this to be automatically determined. Indeed, this is > a generic netlink problem. We want to be easily determine at run time > whether there are netlink sockets subscribed to a given multicast group. > > Here is an idea, in addition to mc_list, we keep a bit mask of the groups > that exist on mc_list. This bit mask can then be used to quickly determine > if a netlink skb needs to be generated or not. > > This mask would be updated at bind(2) time. Updating this is O(n) where > n is the number of members on mc_list. This should be fine since > netlink_broadcast itself which occurs much more often is also O(n).
I already have a patch for this for ctnetlink. I'll try to update it and post it sometime this weekend. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
