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Eric Dumazet eecfd7c4e3 rps: Various optimizations 
Introduce ____napi_schedule() helper for callers in irq disabled
contexts. rps_trigger_softirq() becomes a leaf function.

Use container_of() in process_backlog() instead of accessing per_cpu
address.

Use a custom inlined version of __napi_complete() in process_backlog()
to avoid one locked instruction :

 only current cpu owns and manipulates this napi,
 and NAPI_STATE_SCHED is the only possible flag set on backlog.
 we can use a plain write instead of clear_bit(),
 and we dont need an smp_mb() memory barrier, since RPS is on,
 backlog is protected by a spinlock.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2010-05-06 22:07:48 -07:00
..
Makefile net: convert multicast list to list_head 2010-04-03 14:22:15 -07:00
datagram.c net: skb_free_datagram_locked() fix 2010-05-03 23:18:14 -07:00
dev.c rps: Various optimizations 2010-05-06 22:07:48 -07:00
dev_addr_lists.c net: include linux/proc_fs.h in dev_addr_lists.c 2010-04-07 16:46:36 -07:00
drop_monitor.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
dst.c dst: don't inline dst_ifdown 2010-04-13 03:32:44 -07:00
ethtool.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
fib_rules.c net: fib_rules: mark arguments to fib_rules_register const and __net_initdata 2010-04-26 16:02:04 +02:00
filter.c net: Socket filter ancilliary data access for skb->dev->type 2010-04-22 16:05:44 -07:00
flow.c flow: delayed deletion of flow cache entries 2010-04-07 03:43:20 -07:00
gen_estimator.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
gen_stats.c pkt_sched: gen_estimator: Dont report fake rate estimators 2009-10-07 01:07:42 -07:00
iovec.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
kmap_skb.h
…
link_watch.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
neighbour.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
net-sysfs.c rps: static functions 2010-04-19 14:40:57 -07:00
net-sysfs.h
…
net-traces.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
net_namespace.c net: disallow to use net_assign_generic externally 2010-04-27 15:49:02 -07:00
netevent.c
…
netpoll.c netpoll: add generic support for bridge and bonding devices 2010-05-06 00:47:21 -07:00
pktgen.c pktgen node allocation 2010-03-21 20:33:36 -07:00
request_sock.c
…
rtnetlink.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/ipmr-2.6 2010-04-27 12:57:39 -07:00
scm.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
skbuff.c net: __alloc_skb() speedup 2010-05-05 01:07:37 -07:00
sock.c net: sock_def_readable() and friends RCU conversion 2010-05-01 15:00:15 -07:00
stream.c net: sock_def_readable() and friends RCU conversion 2010-05-01 15:00:15 -07:00
sysctl_net_core.c rfs: Receive Flow Steering 2010-04-16 16:01:27 -07:00
user_dma.c net/core/user_dma.c: Use frag list abstraction interfaces. 2009-06-09 00:19:10 -07:00
utils.c printk: Remove ratelimit.h from kernel.h 2009-09-22 16:18:09 +02:00