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Simon Horman 736561a01f IPVS: Use global mutex in ip_vs_app.c 
As part of the work to make IPVS network namespace aware
__ip_vs_app_mutex was replaced by a per-namespace lock,
ipvs->app_mutex. ipvs->app_key is also supplied for debugging purposes.

Unfortunately this implementation results in ipvs->app_key residing
in non-static storage which at the very least causes a lockdep warning.

This patch takes the rather heavy-handed approach of reinstating
__ip_vs_app_mutex which will cover access to the ipvs->list_head
of all network namespaces.

[   12.610000] IPVS: Creating netns size=2456 id=0
[   12.630000] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP)
[   12.640000] BUG: key ffff880003bbf1a0 not in .data!
[   12.640000] ------------[ cut here ]------------
[   12.640000] WARNING: at kernel/lockdep.c:2701 lockdep_init_map+0x37b/0x570()
[   12.640000] Hardware name: Bochs
[   12.640000] Pid: 1, comm: swapper Tainted: G        W 2.6.38-kexec-06330-g69b7efe-dirty #122
[   12.650000] Call Trace:
[   12.650000]  [<ffffffff8102e685>] warn_slowpath_common+0x75/0xb0
[   12.650000]  [<ffffffff8102e6d5>] warn_slowpath_null+0x15/0x20
[   12.650000]  [<ffffffff8105967b>] lockdep_init_map+0x37b/0x570
[   12.650000]  [<ffffffff8105829d>] ? trace_hardirqs_on+0xd/0x10
[   12.650000]  [<ffffffff81055ad8>] debug_mutex_init+0x38/0x50
[   12.650000]  [<ffffffff8104bc4c>] __mutex_init+0x5c/0x70
[   12.650000]  [<ffffffff81685ee7>] __ip_vs_app_init+0x64/0x86
[   12.660000]  [<ffffffff81685a3b>] ? ip_vs_init+0x0/0xff
[   12.660000]  [<ffffffff811b1c33>] T.620+0x43/0x170
[   12.660000]  [<ffffffff811b1e9a>] ? register_pernet_subsys+0x1a/0x40
[   12.660000]  [<ffffffff81685a3b>] ? ip_vs_init+0x0/0xff
[   12.660000]  [<ffffffff81685a3b>] ? ip_vs_init+0x0/0xff
[   12.660000]  [<ffffffff811b1db7>] register_pernet_operations+0x57/0xb0
[   12.660000]  [<ffffffff81685a3b>] ? ip_vs_init+0x0/0xff
[   12.670000]  [<ffffffff811b1ea9>] register_pernet_subsys+0x29/0x40
[   12.670000]  [<ffffffff81685f19>] ip_vs_app_init+0x10/0x12
[   12.670000]  [<ffffffff81685a87>] ip_vs_init+0x4c/0xff
[   12.670000]  [<ffffffff8166562c>] do_one_initcall+0x7a/0x12e
[   12.670000]  [<ffffffff8166583e>] kernel_init+0x13e/0x1c2
[   12.670000]  [<ffffffff8128c134>] kernel_thread_helper+0x4/0x10
[   12.670000]  [<ffffffff8128ad40>] ? restore_args+0x0/0x30
[   12.680000]  [<ffffffff81665700>] ? kernel_init+0x0/0x1c2
[   12.680000]  [<ffffffff8128c130>] ? kernel_thread_helper+0x0/0x1global0

Signed-off-by: Simon Horman <horms@verge.net.au>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Julian Anastasov <ja@ssi.bg>
Cc: Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-21 20:39:24 -07:00
..
ipset
netfilter: ipset: fix checking the type revision at create command
2011-03-20 15:35:01 +01:00
ipvs
IPVS: Use global mutex in ip_vs_app.c
2011-03-21 20:39:24 -07:00
core.c
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-02-19 19:17:35 -08:00
Kconfig
netfilter: xt_addrtype: ipv6 support
2011-03-15 20:17:44 +01:00
Makefile
netfilter: ipt_addrtype: rename to xt_addrtype
2011-03-15 20:16:20 +01:00
nf_conntrack_acct.c
netfilter: complete the deprecation of CONFIG_NF_CT_ACCT
2010-06-25 14:46:56 +02:00
nf_conntrack_amanda.c
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
nf_conntrack_broadcast.c
netfilter: nf_conntrack: nf_conntrack snmp helper
2011-01-18 18:12:24 +01:00
nf_conntrack_core.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2011-03-15 13:03:27 -07:00
nf_conntrack_ecache.c
netfilter: ecache: always set events bits, filter them later
2011-02-01 16:06:30 +01:00
nf_conntrack_expect.c
netfilter: nf_conntrack: use is_vmalloc_addr()
2011-01-14 15:45:56 +01:00
nf_conntrack_extend.c
netfilter: rcu sparse cleanups
2010-11-15 19:45:13 +01:00
nf_conntrack_ftp.c
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
nf_conntrack_h323_asn1.c
[NETFILTER]: nf_conntrack_h323: constify and annotate H.323 helper
2008-01-31 19:28:07 -08:00
nf_conntrack_h323_main.c
netfilter: Use flowi4 and flowi6 in nf_conntrack_h323_main
2011-03-12 15:08:51 -08:00
nf_conntrack_h323_types.c
[NETFILTER]: nf_conntrack_h323: constify and annotate H.323 helper
2008-01-31 19:28:07 -08:00
nf_conntrack_helper.c
netfilter: nf_conntrack: use is_vmalloc_addr()
2011-01-14 15:45:56 +01:00
nf_conntrack_irc.c
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
nf_conntrack_l3proto_generic.c
[NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_l3proto
2008-04-14 11:15:52 +02:00
nf_conntrack_netbios_ns.c
netfilter: nf_conntrack: nf_conntrack snmp helper
2011-01-18 18:12:24 +01:00
nf_conntrack_netlink.c
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-02-04 14:28:58 -08:00
nf_conntrack_pptp.c
netfilter: nf_conntrack: add support for "conntrack zones"
2010-02-15 18:13:33 +01:00
nf_conntrack_proto_dccp.c
netfilter: nf_conntrack: don't always initialize ct->proto
2010-11-12 17:33:17 +01:00
nf_conntrack_proto_generic.c
sysctl net: Remove unused binary sysctl code
2009-11-12 02:05:06 -08:00
nf_conntrack_proto_gre.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
nf_conntrack_proto_sctp.c
netfilter: nf_conntrack: don't always initialize ct->proto
2010-11-12 17:33:17 +01:00
nf_conntrack_proto_tcp.c
netfilter: nf_ct_tcp: fix out of sync scenario while in SYN_RECV
2011-02-28 18:02:33 +01:00
nf_conntrack_proto_udp.c
netfilter: nf_conntrack: pass template to l4proto ->error() handler
2010-02-15 17:45:08 +01:00
nf_conntrack_proto_udplite.c
netfilter: nf_conntrack: pass template to l4proto ->error() handler
2010-02-15 17:45:08 +01:00
nf_conntrack_proto.c
netfilter: rcu sparse cleanups
2010-11-15 19:45:13 +01:00
nf_conntrack_sane.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
nf_conntrack_sip.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2010-10-21 08:21:34 -07:00
nf_conntrack_snmp.c
netfilter: nf_conntrack: nf_conntrack snmp helper
2011-01-18 18:12:24 +01:00
nf_conntrack_standalone.c
netfilter: nf_conntrack: fix lifetime display for disabled connections
2011-01-19 19:10:49 +01:00
nf_conntrack_tftp.c
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
nf_conntrack_timestamp.c
netfilter: nf_conntrack_tstamp: add flow-based timestamp extension
2011-01-19 16:00:07 +01:00
nf_internals.h
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
nf_log.c
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-03-03 21:27:42 -08:00
nf_queue.c
netfilter: allow NFQUEUE bypass if no listener is available
2011-01-18 16:08:30 +01:00
nf_sockopt.c
net: Make setsockopt() optlen be unsigned.
2009-09-30 16:12:20 -07:00
nf_tproxy_core.c
netfilter: tproxy: do not assign timewait sockets to skb->sk
2011-02-17 11:32:38 +01:00
nfnetlink_log.c
netfilter: nfnetlink_log: remove unused parameter
2011-02-15 21:59:37 +01:00
nfnetlink_queue.c
netfilter: nfnetlink_queue: return error number to caller
2011-01-18 15:27:28 +01:00
nfnetlink.c
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
x_tables.c
netfilter: x_tables: return -ENOENT for non-existant matches/targets
2011-03-14 19:11:44 +01:00
xt_addrtype.c
netfilter: xt_addrtype: ipv6 support
2011-03-15 20:17:44 +01:00
xt_AUDIT.c
netfilter ebtables: fix xt_AUDIT to work with ebtables
2011-03-16 18:32:13 +01:00
xt_CHECKSUM.c
netfilter: add CHECKSUM target
2010-07-15 17:20:46 +02:00
xt_CLASSIFY.c
netfilter: xt_CLASSIFY: add ARP support, allow CLASSIFY target on any table
2010-11-15 13:57:56 +01:00
xt_cluster.c
netfilter: nf_conntrack: IPS_UNTRACKED bit
2010-06-08 16:09:52 +02:00
xt_comment.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_connbytes.c
netfilter: xt_connbytes: Force CT accounting to be enabled
2010-06-25 14:44:07 +02:00
xt_connlimit.c
netfilter: xt_connlimit: remove connlimit_rnd_inited
2011-03-15 13:26:32 +01:00
xt_connmark.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_CONNSECMARK.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_conntrack.c
netfilter: xt_conntrack: warn about use in raw table
2011-02-14 17:28:55 +01:00
xt_cpu.c
netfilter: xtables: add missing aliases for autoloading via iptables
2011-01-18 06:33:54 +01:00
xt_CT.c
secmark: make secmark object handling generic
2010-10-21 10:12:48 +11:00
xt_dccp.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_devgroup.c
netfilter: xtables: add device group match
2011-02-03 00:05:43 +01:00
xt_dscp.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_DSCP.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_esp.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_hashlimit.c
netfilter: xt_hashlimit: use proto_ports_offset() to support AH message
2010-08-19 17:16:25 -07:00
xt_helper.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_hl.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_HL.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_IDLETIMER.c
netfilter: xtables: add missing aliases for autoloading via iptables
2011-01-18 06:33:54 +01:00
xt_iprange.c
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-02-04 14:28:58 -08:00
xt_ipvs.c
IPVS: netns, use ip_vs_proto_data as param.
2011-01-13 10:30:27 +09:00
xt_LED.c
netfilter: xtables: add missing aliases for autoloading via iptables
2011-01-18 06:33:54 +01:00
xt_length.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_limit.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_mac.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_mark.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_multiport.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_NFLOG.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_NFQUEUE.c
netfilter: allow NFQUEUE bypass if no listener is available
2011-01-18 16:08:30 +01:00
xt_NOTRACK.c
netfilter: nf_conntrack: IPS_UNTRACKED bit
2010-06-08 16:09:52 +02:00
xt_osf.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_owner.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_physdev.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_pkttype.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_policy.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_quota.c
xt_quota: report initial quota value instead of current value to userspace
2010-07-23 14:07:47 +02:00
xt_rateest.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_RATEEST.c
pkt_sched: gen_kill_estimator() rcu fixes
2010-06-11 18:37:08 -07:00
xt_realm.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_recent.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
xt_repldata.h
netfilter: xtables: generate initial table on-demand
2010-02-10 17:50:47 +01:00
xt_sctp.c
netfilter: xt_sctp: use WORD_ROUND macro to calculate length of multiple of 4 bytes
2010-06-09 14:47:40 +02:00
xt_SECMARK.c
secmark: make secmark object handling generic
2010-10-21 10:12:48 +11:00
xt_set.c
netfilter: xtables: "set" match and "SET" target support
2011-02-01 15:56:00 +01:00
xt_socket.c
netfilter: tproxy: do not assign timewait sockets to skb->sk
2011-02-17 11:32:38 +01:00
xt_state.c
netfilter: nf_conntrack: IPS_UNTRACKED bit
2010-06-08 16:09:52 +02:00
xt_statistic.c
netfilter: xt_statistic: remove nth_lock spinlock
2010-06-01 12:00:41 +02:00
xt_string.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_tcpmss.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_TCPMSS.c
netfilter: Use flowi4 and flowi6 in xt_TCPMSS
2011-03-12 15:08:51 -08:00
xt_TCPOPTSTRIP.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_tcpudp.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_TEE.c
ipv6: Convert to use flowi6 where applicable.
2011-03-12 15:08:54 -08:00
xt_time.c
netfilter: remove unnecessary returns from void function()s
2010-05-13 15:16:27 +02:00
xt_TPROXY.c
netfilter: tproxy: do not assign timewait sockets to skb->sk
2011-02-17 11:32:38 +01:00
xt_TRACE.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_u32.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00