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Eric Dumazet 38ebcf5096 scm: optimize put_cmsg() 
Calling two copy_to_user() for very small regions has very high overhead.

Switch to inlined unsafe_put_user() to save one stac/clac sequence,
and avoid copy_to_user().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-15 17:03:33 -07:00
..
6lowpan
6lowpan: Fix some typos in nhc_udp.c
2021-03-24 17:52:11 -07:00
9p
net: 9p: Correct function names in the kerneldoc comments
2021-03-28 17:56:56 -07:00
802
…
8021q
net: bridge: resolve forwarding path for VLAN tag actions in bridge devices
2021-03-24 12:48:38 -07:00
appletalk
appletalk: Fix skb allocation size in loopback case
2021-02-12 16:40:28 -08:00
atm
net: atm: pppoatm: use new API for wakeup tasklet
2021-01-29 18:24:05 -08:00
ax25
net/ax25: Delete obsolete TODO file
2021-03-30 16:54:50 -07:00
batman-adv
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
bluetooth
Bluetooth: Allow Microsoft extension to indicate curve validation
2021-04-08 12:26:34 +02:00
bpf
bpf: selftests: Add kfunc_call test
2021-03-26 20:41:52 -07:00
bpfilter
net: remove redundant 'depends on NET'
2021-01-27 17:04:12 -08:00
bridge
net: bridge: propagate error code and extack from br_mc_disabled_update
2021-04-14 14:32:05 -07:00
caif
net: caif: Use netif_rx_any_context().
2021-02-15 13:21:48 -08:00
can
can: isotp: fix msg_namelen values depending on CAN_REQUIRED_SIZE
2021-03-29 09:51:43 +02:00
ceph
net: ceph: Fix a typo in osdmap.c
2021-03-25 17:05:07 -07:00
core
scm: optimize put_cmsg()
2021-04-15 17:03:33 -07:00
dcb
net: dcb: use obj-$(CONFIG_DCB) form in net/Makefile
2021-01-27 17:03:52 -08:00
dccp
net: dccp: use net_generic storage
2021-04-09 16:34:56 -07:00
decnet
net/decnet: Delete obsolete TODO file
2021-03-30 16:54:50 -07:00
dns_resolver
net: remove redundant 'depends on NET'
2021-01-27 17:04:12 -08:00
dsa
of: net: pass the dst buffer to of_get_mac_address()
2021-04-13 14:35:02 -07:00
ethernet
of: net: pass the dst buffer to of_get_mac_address()
2021-04-13 14:35:02 -07:00
ethtool
ethtool: wire in generic SFP module access
2021-04-11 16:34:56 -07:00
hsr
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
ieee802154
net: remove the new_ifindex argument from dev_change_net_namespace
2021-04-07 14:43:28 -07:00
ife
net: remove redundant 'depends on NET'
2021-01-27 17:04:12 -08:00
ipv4
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2021-04-14 13:15:12 -07:00
ipv6
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2021-04-14 13:15:12 -07:00
iucv
iucv: af_iucv.c: Couple of typo fixes
2021-03-28 17:31:13 -07:00
kcm
kcm: kcmsock.c: Couple of typo fixes
2021-03-28 17:31:13 -07:00
key
af_key: relax availability checks for skb size calculation
2021-01-04 10:05:50 +01:00
l2tp
net: l2tp: Fix a typo
2021-03-22 13:17:49 -07:00
l3mdev
l3mdev: Correct function names in the kerneldoc comments
2021-03-28 17:56:55 -07:00
lapb
net: lapb: Make "lapb_t1timer_running" able to detect an already running timer
2021-03-23 14:14:50 -07:00
llc
llc: llc_core.c: COuple of typo fixes
2021-03-28 17:31:13 -07:00
mac80211
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
mac802154
net: mac802154: Fix general protection fault
2021-04-06 22:42:16 +02:00
mpls
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
2021-03-09 16:12:20 -08:00
mptcp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
ncsi
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
netfilter
netfilter: conntrack: Make global sysctls readonly in non-init netns
2021-04-12 13:27:11 -07:00
netlabel
netlabel: Correct function name netlbl_mgmt_add() in the kerneldoc comments
2021-03-28 17:56:55 -07:00
netlink
mptcp: avoid lock_fast usage in accept path
2021-02-12 16:31:46 -08:00
netrom
…
nfc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
nsh
…
openvswitch
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
packet
net/packet: remove data races in fanout operations
2021-04-14 14:34:38 -07:00
phonet
…
psample
psample: Add additional metadata attributes
2021-03-14 15:00:43 -07:00
qrtr
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
rds
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
rfkill
rfkill: revert back to old userspace API by default
2021-04-08 10:14:45 +02:00
rose
net: rose: Fix fall-through warnings for Clang
2021-03-10 12:45:15 -08:00
rxrpc
rxrpc: Fix dependency on IPv6 in udp tunnel config
2021-02-12 16:42:05 -08:00
sched
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
sctp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
smc
net: smc: Remove repeated struct declaration
2021-04-01 15:52:38 -07:00
strparser
…
sunrpc
Miscellaneous NFSD fixes for v5.12-rc.
2021-03-16 10:22:50 -07:00
switchdev
net: bridge: propagate extack through switchdev_port_attr_set
2021-02-14 17:38:11 -08:00
tipc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
tls
skmsg: Extract __tcp_bpf_recvmsg() and tcp_bpf_wait_data()
2021-04-01 10:56:14 -07:00
unix
af_unix: handle idmapped mounts
2021-01-24 14:27:18 +01:00
vmw_vsock
net: vsock: Fix a typo
2021-03-28 17:52:51 -07:00
wireless
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
x25
af_x25.c: Fix a spello
2021-03-28 17:31:13 -07:00
xdp
bpf, xdp: Restructure redirect actions
2021-03-10 01:06:34 +01:00
xfrm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
compat.c
…
devres.c
…
Kconfig
net: add CONFIG_PCPU_DEV_REFCNT
2021-03-19 13:38:46 -07:00
Makefile
net: l3mdev: use obj-$(CONFIG_NET_L3_MASTER_DEV) form in net/Makefile
2021-01-27 17:03:52 -08:00
socket.c
net: Fix a misspell in socket.c
2021-03-25 16:56:27 -07:00
sysctl_net.c
net: Ensure net namespace isolation of sysctls
2021-04-12 13:27:11 -07:00