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5055c371bf
linux/net
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Eric Dumazet 5055c371bf ipv4: per cpu uncached list 
RAW sockets with hdrinc suffer from contention on rt_uncached_lock
spinlock.

One solution is to use percpu lists, since most routes are destroyed
by the cpu that created them.

It is unclear why we even have to put these routes in uncached_list,
as all outgoing packets should be freed when a device is dismantled.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: caacf05e5a ("ipv4: Properly purge netdev references on uncached routes.")
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-01-15 18:26:16 -05:00
..
6lowpan net/6lowpan: Remove FSF address from GPL statement. 2014-12-05 12:43:04 +01:00
9p
802
8021q net: rename vlan_tx_* helpers since "tx" is misleading there 2015-01-13 17:51:08 -05:00
appletalk new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
atm put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
ax25 new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
batman-adv batman-adv: Kconfig, Add missing DEBUG_FS dependency 2015-01-07 22:17:11 +01:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2015-01-02 15:58:21 -05:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-01-15 00:53:17 -05:00
caif put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
can can: fix spelling errors 2014-12-07 21:22:05 +01:00
ceph libceph: fix sparse endianness warnings 2015-01-08 20:36:57 +03:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-01-15 00:53:17 -05:00
dcb dcbnl : Disable software interrupts before taking dcb_lock 2014-11-16 14:50:52 -05:00
dccp net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
decnet net: tcp: add RTAX_CC_ALGO fib handling 2015-01-05 22:55:24 -05:00
dns_resolver
dsa Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
ethernet net: Add Transparent Ethernet Bridging GRO support. 2015-01-02 15:46:41 -05:00
hsr
ieee802154 nl802154: introduce support for cca settings 2014-12-19 00:19:23 +01:00
ipv4 ipv4: per cpu uncached list 2015-01-15 18:26:16 -05:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-01-15 00:53:17 -05:00
ipx switch ipxrtr_route_packet() from iovec to msghdr 2014-11-24 04:28:49 -05:00
irda irda: Convert function pointer arrays and uses to const 2014-12-10 15:33:16 -05:00
iucv net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
key new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
l2tp l2tp : multicast notification to the registered listeners 2014-12-31 14:17:20 -05:00
lapb
llc llc: Make llc_sap_action_t function pointer arrays const 2014-12-10 15:21:24 -05:00
mac80211 Revert "mac80211: Fix accounting of the tailroom-needed counter" 2015-01-05 10:33:46 +01:00
mac802154 ieee802154: iface: move multiple node type check 2014-12-20 00:06:55 +01:00
mpls mpls: Fix allowed protocols for mpls gso 2014-12-23 23:57:31 -05:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-01-15 01:50:25 -05:00
netlabel
netlink netlink: eliminate nl_sk_hash_lock 2015-01-13 14:01:00 -05:00
netrom new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
nfc Merge tag 'master-2014-12-08' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 2014-12-09 18:12:03 -05:00
openvswitch openvswitch: Support VXLAN Group Policy extension 2015-01-15 01:11:41 -05:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-01-15 00:53:17 -05:00
phonet new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
rds rds: Fix min() warning in rds_message_inc_copy_to_user() 2014-12-15 11:49:09 -05:00
rfkill Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
rose new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
rxrpc net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
sched net: rename vlan_tx_* helpers since "tx" is misleading there 2015-01-13 17:51:08 -05:00
sctp net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
sunrpc rpc: fix xdr_truncate_encode to handle buffer ending on page boundary 2015-01-07 14:03:58 -05:00
switchdev bridge: call netdev_sw_port_stp_update when bridge port STP status changes 2014-12-02 20:01:22 -08:00
tipc tipc: correctly handle releasing a not fully initialized sock 2015-01-13 17:26:27 -05:00
unix put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
vmw_vsock put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
wimax
wireless net: rename vlan_tx_* helpers since "tx" is misleading there 2015-01-13 17:51:08 -05:00
x25 new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
xfrm net: xfrm: xfrm_algo: Remove unused function 2015-01-12 16:50:46 -05:00
compat.c put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
Kconfig net: introduce generic switch devices support 2014-12-02 20:01:20 -08:00
Makefile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-16 15:53:03 -08:00
socket.c socket: use iov_length() 2015-01-15 13:56:15 -05:00
sysctl_net.c