Eric Dumazet c57b546840 pktgen: fix crash at module unload ... commit 7d3d43dab4 (net: In unregister_netdevice_notifier unregister the netdevices.) makes pktgen crashing at module unload. [ 296.820578] BUG: spinlock bad magic on CPU#6, rmmod/3267 [ 296.820719] lock: ffff880310c38000, .magic: ffff8803, .owner: <none>/-1, .owner_cpu: -1 [ 296.820943] Pid: 3267, comm: rmmod Not tainted 3.4.0-rc5+ #254 [ 296.821079] Call Trace: [ 296.821211] [<ffffffff8168a715>] spin_dump+0x8a/0x8f [ 296.821345] [<ffffffff8168a73b>] spin_bug+0x21/0x26 [ 296.821507] [<ffffffff812b4741>] do_raw_spin_lock+0x131/0x140 [ 296.821648] [<ffffffff8169188e>] _raw_spin_lock+0x1e/0x20 [ 296.821786] [<ffffffffa00cc0fd>] __pktgen_NN_threads+0x4d/0x140 [pktgen] [ 296.821928] [<ffffffffa00ccf8d>] pktgen_device_event+0x10d/0x1e0 [pktgen] [ 296.822073] [<ffffffff8154ed4f>] unregister_netdevice_notifier+0x7f/0x100 [ 296.822216] [<ffffffffa00d2a0b>] pg_cleanup+0x48/0x73 [pktgen] [ 296.822357] [<ffffffff8109528e>] sys_delete_module+0x17e/0x2a0 [ 296.822502] [<ffffffff81699652>] system_call_fastpath+0x16/0x1b Hold the pktgen_thread_lock while splicing pktgen_threads, and test pktgen_exiting in pktgen_device_event() to make unload faster. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2012-05-10 23:10:24 -04:00
..
Makefile	sock_diag: Move the sock_ code to net/core/	2011-12-06 13:58:02 -05:00
datagram.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
dev.c	Revert "net: maintain namespace isolation between vlan and real device"	2012-05-10 23:03:34 -04:00
dev_addr_lists.c	net: fix /proc/net/dev regression	2012-04-03 17:23:23 -04:00
drop_monitor.c	drop_monitor: prevent init path from scheduling on the wrong cpu	2012-05-02 21:02:48 -04:00
dst.c	net: Rename dst_get_neighbour{, _raw} to dst_get_neighbour_noref{, _raw}.	2011-12-05 15:20:19 -05:00
ethtool.c	net: Support RX-ALL feature flag.	2012-02-24 01:42:07 -08:00
fib_rules.c	net: Fix files explicitly needing to include module.h	2011-10-31 19:30:28 -04:00
filter.c	bpf jit: Make the filter.c::__load_pointer helper non-static for the jits	2012-04-03 18:01:03 -04:00
flow.c	net: Add a flow_cache_flush_deferred function	2011-12-21 16:48:08 -05:00
flow_dissector.c	net: flow_dissector.c missing include linux/export.h	2012-01-24 16:03:33 -05:00
gen_estimator.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
gen_stats.c	net/core: EXPORT_SYMBOL cleanups	2010-07-12 12:57:55 -07:00
iovec.c	net: get rid of some pointless casts to sockaddr	2012-03-11 19:11:22 -07:00
kmap_skb.h	net: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:27 +08:00
link_watch.c	net: linkwatch: allow vlans to get carrier changes faster	2011-09-15 15:36:34 -04:00
neighbour.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2012-02-26 21:55:51 -05:00
net-sysfs.c	static keys: Introduce 'struct static_key', static_key_true()/false() and static_key_slow_[inc|dec]()	2012-02-24 10:05:59 +01:00
net-sysfs.h	xps: Add CONFIG_XPS	2010-11-28 18:24:14 -08:00
net-traces.c	net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules	2011-10-31 19:30:30 -04:00
net_namespace.c	netns: do not leak net_generic data on failed init	2012-04-18 00:05:33 -04:00
netevent.c	net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules	2011-10-31 19:30:30 -04:00
netpoll.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2012-02-19 16:03:15 -05:00
netprio_cgroup.c	Merge branch 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup	2012-03-20 18:11:21 -07:00
pktgen.c	pktgen: fix crash at module unload	2012-05-10 23:10:24 -04:00
request_sock.c	ipv4:correct description for tcp_max_syn_backlog	2011-12-06 13:02:28 -05:00
rtnetlink.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
scm.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
secure_seq.c	net: fix some sparse errors	2012-01-17 10:31:12 -05:00
skbuff.c	net: allow pskb_expand_head() to get maximum tailroom	2012-04-11 10:10:43 -04:00
sock.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
sock_diag.c	sock_diag: Introduce the meminfo nla core (v2)	2011-12-30 16:42:19 -05:00
stream.c	net: Fix the condition passed to sk_wait_event()	2010-10-03 20:41:32 -07:00
sysctl_net_core.c	static keys: Introduce 'struct static_key', static_key_true()/false() and static_key_slow_[inc|dec]()	2012-02-24 10:05:59 +01:00
timestamping.c	net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules	2011-10-31 19:30:30 -04:00
user_dma.c	net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules	2011-10-31 19:30:30 -04:00
utils.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00