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Eric W. Biederman 17edde5209 netns: Remove net_alive 
It turns out that net_alive is unnecessary, and the original problem
that led to it being added was simply that the icmp code thought
it was a network device and wound up being unable to handle packets
while there were still packets in the network namespace.

Now that icmp and tcp have been fixed to properly register themselves
this problem is no longer present and we have a stronger guarantee
that packets will not arrive in a network namespace then that provided
by net_alive in netif_receive_skb.  So remove net_alive allowing
packet reception run a little faster.

Additionally document the strong reason why network namespace cleanup
is safe so that if something happens again someone else will have
a chance of figuring it out.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-03 01:14:27 -08:00
..
9p 9p: fix sparse warnings 2008-10-22 18:54:47 -05:00
bluetooth Bluetooth: Enable per-module dynamic debug messages 2008-11-30 12:17:28 +01:00
irda irda: Add irda_skb_cb qdisc related padding 2008-12-17 15:44:58 -08:00
iucv [S390] iucv: Locking free version of iucv_message_(receive|send) 2008-12-25 13:39:04 +01:00
netfilter netfilter: nf_conntrack: don't try to deliver events for untracked connections 2009-02-18 15:30:34 +01:00
netns netns: ip6mr: declare reg_vif_num per-namespace 2008-12-10 16:29:24 -08:00
phonet Phonet: use atomic for packet TX window 2008-12-17 15:48:31 -08:00
sctp sctp: Fix crc32c calculations on big-endian arhes. 2009-01-22 14:52:23 -08:00
tc_act pkt_action: add new action skbedit 2008-09-12 16:30:20 -07:00
tipc
act_api.h
addrconf.h netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr() 2008-08-14 15:33:21 -07:00
af_rxrpc.h
af_unix.h net: Fix soft lockups/OOM issues w/ unix garbage collector 2008-11-26 15:32:27 -08:00
ah.h
arp.h
atmclip.h
ax25.h
ax88796.h
cfg80211.h mac80211: Fix HT channel selection 2008-12-19 15:22:54 -05:00
checksum.h include/net net/ - csum_partial - remove unnecessary casts 2008-11-19 15:44:53 -08:00
cipso_ipv4.h netlabel: Update kernel configuration API 2008-12-31 12:54:11 -05:00
compat.h
datalink.h
dcbnl.h net: fix DCB setstate to return success/failure 2008-12-21 20:09:50 -08:00
dn.h decnet: compile fix for removal of byteorder wrapper 2008-11-27 23:04:13 -08:00
dn_dev.h
dn_fib.h decnet: remove private wrappers of endian helpers 2008-11-27 00:12:47 -08:00
dn_neigh.h
dn_nsp.h
dn_route.h
dsa.h dsa: add support for Trailer tagging format 2008-10-08 17:24:16 -07:00
dsfield.h
dst.h netns xfrm: lookup in netns 2008-11-25 17:35:18 -08:00
esp.h
fib_rules.h
flow.h netns xfrm: lookup in netns 2008-11-25 17:35:18 -08:00
garp.h
gen_stats.h pkt_sched: gen_estimator: Optimize gen_estimator_active() 2008-11-26 15:24:32 -08:00
genetlink.h
icmp.h
ieee80211.h ieee80211_security: correct warning about width of auth_mode 2008-12-12 13:48:30 -05:00
ieee80211_radiotap.h wireless: clean up radiotap a bit 2008-12-05 09:32:59 -05:00
if_inet6.h
inet6_connection_sock.h
inet6_hashtables.h inet: Don't lookup the socket if there's a socket attached to the skb 2008-10-07 12:41:01 -07:00
inet_common.h
inet_connection_sock.h net: more #ifdef CONFIG_COMPAT 2008-08-28 02:53:51 -07:00
inet_ecn.h
inet_frag.h
inet_hashtables.h net: wrong test in inet_ehash_locks_alloc() 2009-01-27 17:45:10 -08:00
inet_sock.h tcp: Port redirection support for TCP 2008-10-01 07:46:49 -07:00
inet_timewait_sock.h net: Convert TCP & DCCP hash tables to use RCU / hlist_nulls 2008-11-16 19:40:17 -08:00
inetpeer.h
ip.h netns xfrm: per-netns sysctls 2008-11-25 18:00:48 -08:00
ip6_checksum.h
ip6_fib.h
ip6_route.h netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr() 2008-08-14 15:33:21 -07:00
ip6_tunnel.h
ip_fib.h
ip_vs.h include/net net/ - csum_partial - remove unnecessary casts 2008-11-19 15:44:53 -08:00
ipcomp.h ipsec: ipcomp - Merge IPComp implementations 2008-07-25 02:54:40 -07:00
ipconfig.h
ipip.h inet: Make tunnel RX/TX byte counters more consistent 2008-10-09 12:03:17 -07:00
ipv6.h ipv6: making ip and icmp statistics per/namespace 2008-10-08 11:16:45 -07:00
ipx.h
iw_handler.h
lapb.h
lib80211.h wireless: missing include in lib80211.h 2008-11-21 11:42:55 -05:00
llc.h
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h
llc_if.h
llc_pdu.h
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
mac80211.h mac80211: more kernel-doc fixes 2009-01-16 17:08:23 -05:00
mip6.h
ndisc.h ipv6: Fix sporadic sendmsg -EINVAL when sending to multicast groups. 2009-01-04 16:04:39 -08:00
neighbour.h net: Cleanup of neighbour code 2008-11-12 00:54:54 -08:00
net_namespace.h netns: Remove net_alive 2009-03-03 01:14:27 -08:00
netdma.h net_dma: convert to dma_find_channel 2009-01-06 11:38:15 -07:00
netevent.h
netlabel.h netlabel: Update kernel configuration API 2008-12-31 12:54:11 -05:00
netlink.h netlink: fix (theoretical) overrun in message iteration 2008-12-25 17:21:17 -08:00
netrom.h
nexthop.h
p8022.h
pkt_cls.h ematch: simpler tcf_em_unregister() 2008-11-16 23:01:49 -08:00
pkt_sched.h pkt_sched: Remove the tx queue state check in qdisc_run() 2008-09-23 01:05:56 -07:00
protocol.h ipv6: Add GRO support 2009-01-08 10:40:57 -08:00
psnap.h
raw.h
rawv6.h
red.h
request_sock.h net: Fix memory leak in the proto_register function 2008-11-21 16:45:22 -08:00
rose.h
route.h ipv4: Conditionally enable transparent flow flag when connecting 2008-10-01 07:35:39 -07:00
rtnetlink.h
sch_generic.h pkt_sched: Remove qdisc->ops->requeue() etc. 2008-11-13 22:56:30 -08:00
scm.h Merge branch 'master' into next 2008-11-14 11:29:12 +11:00
slhc_vj.h
snmp.h
sock.h net: Kill skb_truesize_check(), it only catches false-positives. 2009-02-17 21:24:05 -08:00
stp.h
tcp.h tcp: Add GRO support 2008-12-15 23:43:36 -08:00
tcp_states.h
timewait_sock.h net: Fix memory leak in the proto_register function 2008-11-21 16:45:22 -08:00
transp_v6.h
udp.h udp: Use hlist_nulls in UDP RCU code 2008-11-16 19:39:21 -08:00
udplite.h udp: introduce struct udp_table and multiple spinlocks 2008-10-29 01:41:45 -07:00
wext.h
wimax.h wimax: fix typo in kernel-doc for debugfs_dentry in struct wimax_dev 2009-01-11 00:06:32 -08:00
wireless.h cfg80211: add support for custom firmware regulatory solutions 2008-11-25 16:41:27 -05:00
x25.h
x25device.h
xfrm.h netns xfrm: per-netns sysctls 2008-11-25 18:00:48 -08:00