Messages in this thread | | | Date | Fri, 30 Dec 2011 02:18:46 +0100 | Subject | Re: [PATCH 1/1] via-rhine: Fix hanging with high CPU load on low-end broads. | From | Bjarke Istrup Pedersen <> |
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2011/12/30 David Miller <davem@davemloft.net>: > From: Bjarke Istrup Pedersen <gurligebis@gentoo.org> > Date: Fri, 30 Dec 2011 00:37:17 +0100 > >> Hmm, it seems like this problem isn't related to the driver, but >> related to the current HEAD of net-next :) > > Please try this patch. > > diff --git a/net/ipv6/route.c b/net/ipv6/route.c > index 30de9e7..4a62c47 100644 > --- a/net/ipv6/route.c > +++ b/net/ipv6/route.c > @@ -129,11 +129,14 @@ static struct neighbour *ip6_neigh_lookup(const struct dst_entry *dst, const voi > return neigh_create(&nd_tbl, daddr, dst->dev); > } > > -static int rt6_bind_neighbour(struct rt6_info *rt) > +static int rt6_bind_neighbour(struct rt6_info *rt, struct net_device *dev) > { > - struct neighbour *n = ip6_neigh_lookup(&rt->dst, &rt->rt6i_gateway); > - if (IS_ERR(n)) > - return PTR_ERR(n); > + struct neighbour *n = __ipv6_neigh_lookup(&nd_tbl, dev, &rt->rt6i_gateway); > + if (!n) { > + n = neigh_create(&nd_tbl, &rt->rt6i_gateway, dev); > + if (IS_ERR(n)) > + return PTR_ERR(n); > + } > dst_set_neighbour(&rt->dst, n); > > return 0; > @@ -746,7 +749,7 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort, > #endif > > retry: > - if (rt6_bind_neighbour(rt)) { > + if (rt6_bind_neighbour(rt, rt->dst.dev)) { > struct net *net = dev_net(rt->dst.dev); > int saved_rt_min_interval = > net->ipv6.sysctl.ip6_rt_gc_min_interval; > @@ -1397,7 +1400,7 @@ int ip6_route_add(struct fib6_config *cfg) > rt->rt6i_prefsrc.plen = 0; > > if (cfg->fc_flags & (RTF_GATEWAY | RTF_NONEXTHOP)) { > - err = rt6_bind_neighbour(rt); > + err = rt6_bind_neighbour(rt, dev); > if (err) > goto out; > } > @@ -2084,7 +2087,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, > rt->rt6i_flags |= RTF_ANYCAST; > else > rt->rt6i_flags |= RTF_LOCAL; > - err = rt6_bind_neighbour(rt); > + err = rt6_bind_neighbour(rt, rt->dst.dev); > if (err) { > dst_free(&rt->dst); > return ERR_PTR(err);
Hey David,
That patch works, now it boots fine :) I tried the driver on the 3.1.6 kernel to make sure nothing not tested is causing problems.
/Bjarke
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