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546be2405b
linux/net/ipv4
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Herbert Xu 546be2405b [IPSEC] xfrm: Undo afinfo lock proliferation 
The number of locks used to manage afinfo structures can easily be reduced
down to one each for policy and state respectively.  This is based on the
observation that the write locks are only held by module insertion/removal
which are very rare events so there is no need to further differentiate
between the insertion of modules like ipv6 versus esp6.

The removal of the read locks in xfrm4_policy.c/xfrm6_policy.c might look
suspicious at first.  However, after you realise that nobody ever takes
the corresponding write lock you'll feel better :)

As far as I can gather it's an attempt to guard against the removal of
the corresponding modules.  Since neither module can be unloaded at all
we can leave it to whoever fixes up IPv6 unloading :)

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17 21:28:37 -07:00
..
ipvs [PATCH] sem2mutex: misc static one-file mutexes 2006-03-26 08:56:55 -08:00
netfilter [NETFILTER]: PPTP helper: fix sstate/cstate typo 2006-05-28 22:51:05 -07:00
af_inet.c [IPV4]: inet_init() -> fs_initcall 2006-04-29 18:33:14 -07:00
ah4.c [IPSEC]: Kill unused decap state argument 2006-04-01 00:52:46 -08:00
arp.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
datagram.c [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
devinet.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
esp4.c [IPSEC]: Kill unused decap state argument 2006-04-01 00:52:46 -08:00
fib_frontend.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
fib_hash.c [INET_SOCK]: Move struct inet_sock & helper functions to net/inet_sock.h 2006-01-03 13:11:21 -08:00
fib_lookup.h [IPV4]: Prepare FIB core for RCU. 2005-08-29 16:08:31 -07:00
fib_rules.c [IPV4]: Add fib rule netlink notifications 2006-03-23 01:16:06 -08:00
fib_semantics.c [NETLINK]: illegal use of pid in rtnetlink 2006-02-09 16:43:41 -08:00
fib_trie.c [FIB_TRIE]: Fix leaf freeing. 2006-04-09 22:25:23 -07:00
icmp.c [PATCH] for_each_possible_cpu: network codes 2006-04-11 06:18:31 -07:00
igmp.c [NET]: dev_put/dev_hold cleanup 2006-03-20 22:32:28 -08:00
inet_connection_sock.c [INET]: Fix typo in Arnaldo's connection sock compat fixups. 2006-03-20 22:52:32 -08:00
inet_diag.c [INET_DIAG]: Introduce sk_diag_fill 2006-01-09 14:56:56 -08:00
inet_hashtables.c [IPV4]: Possible cleanups. 2006-04-14 15:00:20 -07:00
inet_timewait_sock.c [TWSK]: Introduce struct timewait_sock_ops 2006-01-03 13:10:54 -08:00
inetpeer.c [NET]: Change some "if (x) BUG();" to "BUG_ON(x);" 2006-01-09 14:16:18 -08:00
ip_forward.c [IPV4]: Increment ipInHdrErrors when TTL expires. 2006-06-12 13:09:59 -07:00
ip_fragment.c [IPV4] ip_fragment: Always compute hash with ipfrag_lock held. 2006-04-09 22:43:55 -07:00
ip_gre.c [INET]: Use port unreachable instead of proto for tunnels 2006-04-09 22:25:29 -07:00
ip_input.c [IPV4]: Remove likely in ip_rcv_finish() 2006-05-06 18:11:39 -07:00
ip_options.c [IPV4]: ip_options_fragment() has no effect on fragmentation 2006-05-09 15:18:50 -07:00
ip_output.c [PATCH] ip_output: account for fraggap when checking to add trailer_len 2006-04-14 16:04:18 -07:00
ip_sockglue.c [NET]: Identation & other cleanups related to compat_[gs]etsockopt cset 2006-03-20 22:48:35 -08:00
ipcomp.c [NET]: Fix "ntohl(ntohs" bugs 2006-05-22 16:53:22 -07:00
ipconfig.c [NET]: Convert RTNL to mutex. 2006-03-20 22:23:58 -08:00
ipip.c [INET]: Move no-tunnel ICMP error to tunnel4/tunnel6 2006-04-09 22:25:25 -07:00
ipmr.c [NET]: dev_put/dev_hold cleanup 2006-03-20 22:32:28 -08:00
Kconfig [INET]: Introduce tunnel4/tunnel6 2006-03-28 17:02:46 -08:00
Makefile [INET]: Introduce tunnel4/tunnel6 2006-03-28 17:02:46 -08:00
multipath_drr.c [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00
multipath_random.c [IPV4]: Multipath modules need a license to prevent kernel tainting. 2005-06-13 14:29:06 -07:00
multipath_rr.c [IPV4]: Multipath modules need a license to prevent kernel tainting. 2005-06-13 14:29:06 -07:00
multipath_wrandom.c [IPV4] multipath_wrandom: Fix softirq-unsafe spin lock usage 2006-02-02 16:59:16 -08:00
multipath.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
netfilter.c [NETFILTER]: Add address family specific checksum helpers 2006-04-09 22:25:41 -07:00
proc.c [PATCH] for_each_possible_cpu: network codes 2006-04-11 06:18:31 -07:00
protocol.c [TCP]: Move the tcp sock states to net/tcp_states.h 2005-08-29 15:41:54 -07:00
raw.c [NET]: Identation & other cleanups related to compat_[gs]etsockopt cset 2006-03-20 22:48:35 -08:00
route.c [IPV4]: ip_route_input panic fix 2006-04-17 17:27:11 -07:00
syncookies.c [ICSK]: Rename struct tcp_func to struct inet_connection_sock_af_ops 2006-01-03 13:10:38 -08:00
sysctl_net_ipv4.c [I/OAT]: Add a sysctl for tuning the I/OAT offloaded I/O threshold 2006-06-17 21:25:54 -07:00
tcp_bic.c [TCP] BIC: spelling and whitespace 2006-01-03 13:10:27 -08:00
tcp_cong.c [TCP]: Fix RFC2465 typo. 2006-03-28 17:02:47 -08:00
tcp_cubic.c [TCP] cubic: use Newton-Raphson 2006-01-03 13:11:09 -08:00
tcp_diag.c [INET_DIAG]: Move the tcp_diag interface to the proper place 2005-08-29 15:57:54 -07:00
tcp_highspeed.c [TCP] tcp_highspeed: Fix problem observed by Xiaoliang (David) Wei 2006-06-02 17:51:08 -07:00
tcp_htcp.c [TCP] H-TCP: Better time accounting 2006-03-20 22:23:10 -08:00
tcp_hybla.c [TCP]: fix congestion window update when using TSO deferal 2005-11-10 16:53:30 -08:00
tcp_input.c [TCP]: tcp_rcv_rtt_measure_ts() call in pure-ACK path is superfluous 2006-06-17 21:26:16 -07:00
tcp_ipv4.c [I/OAT]: TCP recv offload to I/OAT 2006-06-17 21:25:56 -07:00
tcp_minisocks.c [IPV6]: Introduce inet6_timewait_sock 2006-01-03 13:10:47 -08:00
tcp_output.c [TCP]: Avoid skb_pull if possible when trimming head 2006-06-05 15:03:37 -07:00
tcp_scalable.c [TCP]: add tcp_slow_start helper 2005-11-10 17:07:24 -08:00
tcp_timer.c [TCP]: MTU probing 2006-03-20 17:53:41 -08:00
tcp_vegas.c [TCP] tcp_vegas: Fix slow start 2006-01-04 13:59:32 -08:00
tcp_westwood.c [INET_DIAG]: Rename tcp_diag.[ch] to inet_diag.[ch] 2005-08-29 15:57:48 -07:00
tcp.c [I/OAT]: TCP recv offload to I/OAT 2006-06-17 21:25:56 -07:00
tunnel4.c [INET]: Move no-tunnel ICMP error to tunnel4/tunnel6 2006-04-09 22:25:25 -07:00
udp.c [NET]: Identation & other cleanups related to compat_[gs]etsockopt cset 2006-03-20 22:48:35 -08:00
xfrm4_input.c [INET]: Move no-tunnel ICMP error to tunnel4/tunnel6 2006-04-09 22:25:25 -07:00
xfrm4_output.c [IPSEC]: Fix IP ID selection 2006-04-29 18:33:16 -07:00
xfrm4_policy.c [IPSEC] xfrm: Undo afinfo lock proliferation 2006-06-17 21:28:37 -07:00
xfrm4_state.c [IPSEC] xfrm: Undo afinfo lock proliferation 2006-06-17 21:28:37 -07:00
xfrm4_tunnel.c [IPSEC]: Kill unused decap state argument 2006-04-01 00:52:46 -08:00