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authorEric Dumazet <eric.dumazet@gmail.com>2009-10-28 05:16:51 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-29 01:13:48 -0700
commitcf4432f550a0fe4e08e7cd522568cfbae754582c (patch)
tree3d60448c5be287b1660f8a1d92a4843513fe8393 /net/ipv6/ip6_tunnel.c
parent8c56ba0530af3d5eee6445dce9dc9296f1f74ed5 (diff)
downloadop-kernel-dev-cf4432f550a0fe4e08e7cd522568cfbae754582c.zip
op-kernel-dev-cf4432f550a0fe4e08e7cd522568cfbae754582c.tar.gz
ip6tnl: Optimize multiple unregistration
Speedup module unloading by factorizing synchronize_rcu() calls Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 670c291..6c1b5c9 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1393,14 +1393,19 @@ static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
{
int h;
struct ip6_tnl *t;
+ LIST_HEAD(list);
for (h = 0; h < HASH_SIZE; h++) {
- while ((t = ip6n->tnls_r_l[h]) != NULL)
- unregister_netdevice(t->dev);
+ t = ip6n->tnls_r_l[h];
+ while (t != NULL) {
+ unregister_netdevice_queue(t->dev, &list);
+ t = t->next;
+ }
}
t = ip6n->tnls_wc[0];
- unregister_netdevice(t->dev);
+ unregister_netdevice_queue(t->dev, &list);
+ unregister_netdevice_many(&list);
}
static int ip6_tnl_init_net(struct net *net)
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