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8eb77cc739
linux/net
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Pavel Begunkov 8eb77cc739 ipv4: avoid partial copy for zc 
Even when zerocopy transmission is requested and possible,
__ip_append_data() will still copy a small chunk of data just because it
allocated some extra linear space (e.g. 148 bytes). It wastes CPU cycles
on copy and iter manipulations and also misalignes potentially aligned
data. Avoid such copies. And as a bonus we can allocate smaller skb.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-18 19:58:03 -07:00
..
6lowpan
9p xen: switch gnttab_end_foreign_access() to take a struct page pointer 2022-05-27 11:05:29 +02:00
802
8021q net: add netif_inherit_tso_max() 2022-05-06 12:07:56 +01:00
appletalk
atm net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ax25 net: ax25: Fix deadlock caused by skb_recv_datagram in ax25_recvmsg 2022-06-15 13:00:22 +01:00
batman-adv net: wrap the wireless pointers in struct net_device in an ifdef 2022-05-22 21:51:54 +01:00
bluetooth Bluetooth: core: Fix deadlock on hci_power_on_sync. 2022-07-05 13:20:03 -07:00
bpf Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-05-23 16:07:14 -07:00
bpfilter
bridge netfilter: br_netfilter: do not skip all hooks with 0 priority 2022-06-27 19:23:27 +02:00
caif
can can: bcm: use call_rcu() instead of costly synchronize_rcu() 2022-07-04 10:33:39 +02:00
ceph libceph: use swap() macro instead of taking tmp variable 2022-05-25 20:45:13 +02:00
core sock: redo the psock vs ULP protection check 2022-06-23 10:08:30 +02:00
dcb
dccp Revert "net: Add a second bind table hashed by port and address" 2022-06-16 11:07:59 -07:00
decnet dn_route: set rt neigh to blackhole_netdev instead of loopback_dev in ifdown 2022-05-17 18:03:23 -07:00
dns_resolver
dsa net: dsa: OF-ware slave_mii_bus 2022-05-23 12:27:53 +01:00
ethernet
ethtool ethtool: Fix get module eeprom fallback 2022-06-17 20:22:16 -07:00
hsr
ieee802154 net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ife
ipv4 ipv4: avoid partial copy for zc 2022-07-18 19:58:03 -07:00
ipv6 ipv6: fix lockdep splat in in6_dump_addrs() 2022-06-29 20:41:09 -07:00
iucv
kcm
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-06-01 17:44:04 -07:00
l2tp ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg 2022-06-08 10:56:43 -07:00
l3mdev
lapb
llc
mac80211 wifi: mac80211: fix use-after-free in chanctx code 2022-06-01 12:41:41 +03:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
mpls
mptcp mptcp: update MIB_RMSUBFLOW in cmd_sf_destroy 2022-07-06 12:50:26 +01:00
ncsi net/ncsi: use proper "mellanox" DT vendor prefix 2022-06-23 20:51:06 -07:00
netfilter netfilter: nft_set_pipapo: release elements in clone from abort path 2022-07-02 21:04:19 +02:00
netlabel
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-12 16:15:30 -07:00
netrom
nfc net: nfc: Directly use ida_alloc()/free() 2022-05-28 15:28:47 +01:00
nsh
openvswitch net: openvswitch: fix parsing of nw_proto for IPv6 fragments 2022-06-23 11:44:01 +02:00
packet net/af_packet: make sure to pull mac header 2022-06-02 10:15:05 -07:00
phonet
psample
qrtr
rds Linux 5.18 2022-05-24 12:40:28 -03:00
rfkill
rose net: rose: fix UAF bug caused by rose_t0timer_expiry 2022-07-06 19:49:11 -07:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-23 21:19:17 -07:00
sched net/sched: act_police: allow 'continue' action offload 2022-07-06 12:44:39 +01:00
sctp stcp: Use memset_after() to zero sctp_stream_out_ext 2022-05-20 17:42:53 -07:00
smc net/smc: fixes for converting from "struct smc_cdc_tx_pend **" to "struct smc_wr_tx_pend_priv *" 2022-05-28 12:36:26 +01:00
strparser
sunrpc Notable regression fixes: 2022-07-02 11:20:56 -07:00
switchdev
tipc net: tipc: fix possible refcount leak in tipc_sk_create() 2022-06-29 13:49:06 +01:00
tls Revert "tls: rx: move counting TlsDecryptErrors for sync" 2022-07-06 13:10:59 +01:00
unix af_unix: Fix a data-race in unix_dgram_peer_wake_me(). 2022-06-07 12:07:46 +02:00
vmw_vsock hyperv-next for 5.19 2022-05-28 11:39:01 -07:00
wireless wireless-next patches for v5.19 2022-05-19 13:01:08 -07:00
x25 x25: remove redundant pointer dev 2022-05-10 11:59:22 +02:00
xdp xsk: Clear page contiguity bit when unmapping pool 2022-06-28 22:49:04 +02:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-06-01 17:44:04 -07:00
compat.c
devres.c
Kconfig
Kconfig.debug net: CONFIG_DEBUG_NET depends on CONFIG_NET 2022-06-02 10:15:05 -07:00
Makefile
socket.c net: clear msg_get_inq in __sys_recvfrom() and __copy_msghdr_from_user() 2022-06-23 20:56:23 -07:00
sysctl_net.c