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Michael S. Tsirkin e19d6763cc skb: report completion status for zero copy skbs 
Even if skb is marked for zero copy, net core might still decide
to copy it later which is somewhat slower than a copy in user context:
besides copying the data we need to pin/unpin the pages.

Add a parameter reporting such cases through zero copy callback:
if this happens a lot, device can take this into account
and switch to copying in user context.

This patch updates all users but ignores the passed value for now:
it will be used by follow-up patches.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-02 21:29:57 -04:00
..
9p The following changes since commit 4cbe5a555f: 2012-10-12 09:59:23 +09:00
802
8021q vlan: use IS_ENABLED() 2012-11-01 12:41:35 -04:00
appletalk
atm
ax25
batman-adv batman-adv: add kernel-doc for enum batadv_dbg_level 2012-10-29 09:42:51 +01:00
bluetooth userns: Properly print bluetooth socket uids 2012-10-12 13:16:47 -07:00
bridge Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next 2012-10-31 14:26:44 -04:00
caif
can sections: fix section conflicts in net/can 2012-10-06 03:04:45 +09:00
ceph Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
core skb: report completion status for zero copy skbs 2012-11-02 21:29:57 -04:00
dcb
dccp
decnet sections: fix section conflicts in net 2012-10-06 03:04:45 +09:00
dns_resolver Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
dsa
ethernet
ieee802154 net/ieee802154/6lowpan.c: Remove unecessary semicolon 2012-09-18 16:08:19 -04:00
ipv4 rtnl/ipv4: use netconf msg to advertise rp_filter status 2012-11-01 12:41:34 -04:00
ipv6 ipv6: use IS_ENABLED() 2012-11-01 12:41:35 -04:00
ipx
irda silence some noisy printks in irda 2012-10-04 15:53:48 -04:00
iucv
key net/key/af_key.c: add range checks on ->sadb_x_policy_len 2012-10-01 17:15:06 -04:00
l2tp l2tp: session is an array not a pointer 2012-10-26 03:46:41 -04:00
lapb
llc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-10-02 11:11:09 -07:00
mac80211 mac80211: use ieee80211_free_txskb to fix possible skb leaks 2012-10-08 15:06:05 -04:00
mac802154
netfilter Merge branch 'master' of git://1984.lsi.us.es/nf-next 2012-10-26 14:40:55 -04:00
netlabel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
netlink netlink: use kfree_rcu() in netlink_release() 2012-10-18 15:34:30 -04:00
netrom net: change return values from -EACCES to -EPERM 2012-09-21 13:58:08 -04:00
nfc Remove noisy printks from llcp_sock_connect 2012-10-04 15:58:47 -04:00
openvswitch net/openvswitch/vport.c: Remove unecessary semicolon 2012-09-18 16:08:19 -04:00
packet packet: minor: remove unused err assignment 2012-10-26 02:17:20 -04:00
phonet
rds RDS: fix rds-ping spinlock recursion 2012-10-09 13:57:23 -04:00
rfkill Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
rose
rxrpc Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux 2012-10-14 13:39:34 -07:00
sched cgroup: net_cls: Rework update socket logic 2012-10-26 03:40:51 -04:00
sctp sctp: Make hmac algorithm selection for cookie generation dynamic 2012-10-26 02:22:18 -04:00
sunrpc Merge branch 'for-3.7' of git://linux-nfs.org/~bfields/linux 2012-10-13 10:53:54 +09:00
tipc tipc: prevent dropped connections due to rcvbuf overflow 2012-10-04 15:53:48 -04:00
unix sock-diag: Report shutdown for inet and unix sockets (v2) 2012-10-23 14:57:52 -04:00
wanrouter
wimax
wireless Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 2012-09-30 02:30:16 -04:00
x25
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
compat.c make get_file() return its argument 2012-09-26 21:10:25 -04:00
Kconfig
Makefile
nonet.c
socket.c cgroup: net_cls: Rework update socket logic 2012-10-26 03:40:51 -04:00
sysctl_net.c