Eric Dumazet 9d21493b4b net: tx scalability works : trans_start ... struct net_device trans_start field is a hot spot on SMP and high performance devices, particularly multi queues ones, because every transmitter dirties it. Is main use is tx watchdog and bonding alive checks. But as most devices dont use NETIF_F_LLTX, we have to lock a netdev_queue before calling their ndo_start_xmit(). So it makes sense to move trans_start from net_device to netdev_queue. Its update will occur on a already present (and in exclusive state) cache line, for free. We can do this transition smoothly. An old driver continue to update dev->trans_start, while an updated one updates txq->trans_start. Further patches could also put tx_bytes/tx_packets counters in netdev_queue to avoid dirtying dev->stats (vlan device comes to mind) Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2009-05-17 20:55:16 -07:00
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act_api.c	tc: propogate errors from tcf_hash_create	2008-11-25 21:13:25 -08:00
act_gact.c	tc: propogate errors from tcf_hash_create	2008-11-25 21:13:25 -08:00
act_ipt.c	tc: propogate errors from tcf_hash_create	2008-11-25 21:13:25 -08:00
act_mirred.c	tc: propogate errors from tcf_hash_create	2008-11-25 21:13:25 -08:00
act_nat.c	tc: propogate errors from tcf_hash_create	2008-11-25 21:13:25 -08:00
act_pedit.c	tc: propogate errors from tcf_hash_create	2008-11-25 21:13:25 -08:00
act_police.c	pkt_sched: act_police: Fix a rate estimator test.	2009-03-04 17:38:10 -08:00
act_simple.c	tc: propogate errors from tcf_hash_create	2008-11-25 21:13:25 -08:00
act_skbedit.c	tc: propogate errors from tcf_hash_create	2008-11-25 21:13:25 -08:00
cls_api.c	net: Only store high 16 bits of kernel generated filter priorities	2009-05-02 13:48:32 -07:00
cls_basic.c	pkt_sched: remove unnecessary xchg() in packet classifiers	2008-11-20 04:14:28 -08:00
cls_cgroup.c	cls_cgroup: remove unneeded cgroup_lock	2009-05-17 11:59:48 -07:00
cls_flow.c	CRED: Use creds in file structs	2008-11-14 10:39:25 +11:00
cls_fw.c	pkt_sched: remove unnecessary xchg() in packet classifiers	2008-11-20 04:14:28 -08:00
cls_route.c	pkt_sched: remove unnecessary xchg() in packet classifiers	2008-11-20 04:14:28 -08:00
cls_rsvp.c
cls_rsvp.h	[NET_SCHED]: Use nla_policy for attribute validation in classifiers	2008-01-28 15:11:23 -08:00
cls_rsvp6.c
cls_tcindex.c	pkt_sched: remove unnecessary xchg() in packet classifiers	2008-11-20 04:14:28 -08:00
cls_u32.c	pkt_sched: cls_u32: Fix locking in u32_change()	2009-01-05 18:14:19 -08:00
em_cmp.c	net: em_cmp.c use unaligned access helpers	2008-09-22 19:20:51 -07:00
em_meta.c	netsched: Allow meta match on vlan tag on receive	2009-04-13 18:12:57 -07:00
em_nbyte.c	[NET_SCHED]: ematch: module autoloading	2007-07-11 19:46:26 -07:00
em_text.c	[NET_SCHED]: Convert classifiers from rtnetlink to new netlink API	2008-01-28 15:11:11 -08:00
em_u32.c	[PKT_SCHED]: annotate cls_u32	2008-03-17 22:46:46 -07:00
ematch.c	ematch: simpler tcf_em_unregister()	2008-11-16 23:01:49 -08:00
Kconfig	cls_cgroup: clean up Kconfig	2008-12-29 19:40:46 -08:00
Makefile	pkt_sched: add DRR scheduler	2008-11-20 04:10:00 -08:00
sch_api.c	pkt_sched: sch_hfsc: sch_htb: Add non-work-conserving warning handler.	2009-02-01 01:12:42 -08:00
sch_atm.c	pkt_sched: remove unnecessary xchg() in packet schedulers	2008-11-20 04:11:36 -08:00
sch_blackhole.c	pkt_sched: Add qdisc->ops->peek() implementation.	2008-10-31 00:45:55 -07:00
sch_cbq.c	pkt_sched: Change misleading code in class delete.	2009-03-15 20:00:19 -07:00
sch_drr.c	pkt_sched: Change misleading code in class delete.	2009-03-15 20:00:19 -07:00
sch_dsmark.c	pkt_sched: remove unnecessary xchg() in packet schedulers	2008-11-20 04:11:36 -08:00
sch_fifo.c	net-sched: fix bfifo default limit	2009-05-06 16:45:07 -07:00
sch_generic.c	net: tx scalability works : trans_start	2009-05-17 20:55:16 -07:00
sch_gred.c	pkt_sched: Remove qdisc->ops->requeue() etc.	2008-11-13 22:56:30 -08:00
sch_hfsc.c	pkt_sched: Change misleading code in class delete.	2009-03-15 20:00:19 -07:00
sch_htb.c	pkt_sched: Change misleading code in class delete.	2009-03-15 20:00:19 -07:00
sch_ingress.c	net_sched: Add accessor function for packet length for qdiscs	2008-07-20 00:08:27 -07:00
sch_multiq.c	pkt_sched: sch_multiq: Change errno on non-multiqueue devices use.	2009-02-10 00:11:21 -08:00
sch_netem.c	net: sch_netem: Fix an inconsistency in ingress netem timestamps.	2009-04-20 02:14:59 -07:00
sch_prio.c	pkt_sched: remove unnecessary xchg() in packet schedulers	2008-11-20 04:11:36 -08:00
sch_red.c	pkt_sched: remove unnecessary xchg() in packet schedulers	2008-11-20 04:11:36 -08:00
sch_sfq.c	remove lots of double-semicolons	2009-01-08 08:31:14 -08:00
sch_tbf.c	net/*: use linux/kernel.h swap()	2009-03-21 13:36:17 -07:00
sch_teql.c	sch_teql: convert to net_device_ops	2009-01-06 10:45:57 -08:00