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Herbert Xu 903ab86d19 udp: Add lockless transmit path ... The UDP transmit path has been running under the socket lock for a long time because of the corking feature. This means that transmitting to the same socket in multiple threads does not scale at all. However, as most users don't actually use corking, the locking can be removed in the common case. This patch creates a lockless fast path where corking is not used. Please note that this does create a slight inaccuracy in the enforcement of socket send buffer limits. In particular, we may exceed the socket limit by up to (number of CPUs) * (packet size) because of the way the limit is computed. As the primary purpose of socket buffers is to indicate congestion, this should not be a great problem for now. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>		14 years ago
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9p	…
802	…
8021q	…
appletalk	…
atm	…
ax25	…
batman-adv	Merge branch 'batman-adv/next' of git://git.open-mesh.org/ecsv/linux-merge	14 years ago
bluetooth	Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6	14 years ago
bridge	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	14 years ago
caif	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	14 years ago
can	…
ceph	…
core	inet: Remove unused sk_sndmsg_* from UFO	14 years ago
dcb	Don't potentially dereference NULL in net/dcb/dcbnl.c:dcbnl_getapp()	14 years ago
dccp	dccp: newdp is declared/assigned but never be used	14 years ago
decnet	net: Add initial_ref arg to dst_alloc().	14 years ago
dns_resolver	…
dsa	…
econet	…
ethernet	…
ieee802154	…
ipv4	udp: Add lockless transmit path	14 years ago
ipv6	inet: Remove unused sk_sndmsg_* from UFO	14 years ago
ipx	…
irda	…
iucv	…
key	pfkey: Use const where possible.	14 years ago
l2tp	…
lapb	…
llc	llc: avoid skb_clone() if there is only one handler	14 years ago
mac80211	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem	14 years ago
netfilter	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	14 years ago
netlabel	…
netlink	…
netrom	…
packet	network: Allow af_packet to transmit +4 bytes for VLAN packets.	14 years ago
phonet	phonet: Protect pipe_do_remove() with appropriate ifdefs.	14 years ago
rds	…
rfkill	…
rose	ROSE: AX25: finding routes simplification	14 years ago
rxrpc	…
sched	sched: protocol only needed when CONFIG_NET_CLS_ACT is enabled	14 years ago
sctp	net: add __rcu annotations to sk_wq and wq	14 years ago
sunrpc	net: add __rcu annotations to sk_wq and wq	14 years ago
tipc	tipc: Avoid reliable broadcast preparation for NACK messages	14 years ago
unix	net: add __rcu annotations to sk_wq and wq	14 years ago
wanrouter	…
wimax	…
wireless	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6	14 years ago
x25	x25: Do not reference freed memory.	14 years ago
xfrm	xfrm: Pass const xfrm_address_t objects to xfrm_state_lookup* and xfrm_find_acq.	14 years ago
Kconfig	…
Makefile	…
TUNABLE	…
compat.c	…
nonet.c	…
socket.c	socket: suppress sparse warnings	14 years ago
sysctl_net.c	…