On Wed, 28 Apr 2010 01:11:52 +0200
Michał Mirosław <mirqus@gmail.com> wrote:

quoted text
> 2010/4/27 Stephen Hemminger <shemminger@vyatta.com>:
> > I prefer that the hlist be only accessed through the hlist macro
> > objects. Explicit twiddling of links (especially with RCU) exposes
> > the code to future bugs.
> [...]
> > -       port->rlist.pprev = h;
> > -       port->rlist.next = p;
> > -       rcu_assign_pointer(*h, &port->rlist);
> > -       if (p)
> > -               p->pprev = &port->rlist.next;
> > +       hlist_for_each_entry(p, n, &br->router_list, rlist) {
> 
> Shouldn't this be hlist_for_each_entry_rcu?
> 

This code should already be protected by br->multicast_lock
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