Florian Westphal <fw@xxxxxxxxx> writes: > Giuseppe Scrivano <gscrivan@xxxxxxxxxx> wrote: >> SELinux, if enabled, registers for each new network namespace 6 >> netfilter hooks. Avoid to use synchronize_net for each new hook, but do >> it once after all the hooks are added. The net benefit on an SMP >> machine with two cores is that creating a new network namespace takes >> -40% of the original time. > > but this needs more work. > >> Signed-off-by: Giuseppe Scrivano <gscrivan@xxxxxxxxxx> >> --- >> net/netfilter/core.c | 15 ++++++++++++--- >> 1 file changed, 12 insertions(+), 3 deletions(-) >> >> diff --git a/net/netfilter/core.c b/net/netfilter/core.c >> index 52cd2901a097..beeb0b36f429 100644 >> --- a/net/netfilter/core.c >> +++ b/net/netfilter/core.c >> @@ -252,7 +252,7 @@ static struct nf_hook_entries __rcu **nf_hook_entry_head(struct net *net, const >> return NULL; >> } >> >> -int nf_register_net_hook(struct net *net, const struct nf_hook_ops *reg) >> +static int __nf_register_net_hook(struct net *net, const struct nf_hook_ops *reg) > > Change this to return struct nf_hook_entries * thanks for the quick review. Are you fine if I change it to: static int __nf_register_net_hook(struct net *net, const struct nf_hook_ops *reg, struct nf_hook_entries **old) so that it is still possible to return other errors as the current code does? Giuseppe -- 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
