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4f8116c850
linux/net
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Vlad Buslov 4f8116c850 net: sched: protect block offload-related fields with rw_semaphore 
In order to remove dependency on rtnl lock, extend tcf_block with 'cb_lock'
rwsem and use it to protect flow_block->cb_list and related counters from
concurrent modification. The lock is taken in read mode for read-only
traversal of cb_list in tc_setup_cb_call() and write mode in all other
cases. This approach ensures that:

- cb_list is not changed concurrently while filters is being offloaded on
  block.

- block->nooffloaddevcnt is checked while holding the lock in read mode,
  but is only changed by bind/unbind code when holding the cb_lock in write
  mode to prevent concurrent modification.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-26 14:17:43 -07:00
..
6lowpan 6lowpan: no need to check return value of debugfs_create functions 2019-07-06 12:50:01 +02:00
9p 9p pull request for inclusion in 5.13 2019-07-12 17:31:19 -07:00
802 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
appletalk net: Use skb_frag_off accessors 2019-07-30 14:21:32 -07:00
atm
ax25 ax25: fix inconsistent lock state in ax25_destroy_timer 2019-06-16 14:22:37 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-19 11:54:03 -07:00
bluetooth Bluetooth: Add debug setting for changing minimum encryption key size 2019-08-17 13:54:40 +03:00
bpf bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN 2019-07-25 18:00:41 -07:00
bpfilter Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
bridge net: bridge: mdb: allow add/delete for host-joined groups 2019-08-17 12:36:57 -07:00
caif
can can: gw: add support for CAN FD frames 2019-08-13 17:32:21 +02:00
ceph Lots of exciting things this time! 2019-07-18 11:05:25 -07:00
core net/core/skmsg: Delete an unnecessary check before the function call “consume_skb” 2019-08-24 16:24:53 -07:00
dcb
dccp proc/sysctl: add shared variables for range check 2019-07-18 17:08:07 -07:00
decnet
dns_resolver Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
dsa net: dsa: enable and disable all ports 2019-08-20 12:33:49 -07:00
ethernet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 11:00:14 -07:00
hsr hsr: switch ->dellink() to ->ndo_uninit() 2019-07-11 14:37:45 -07:00
ieee802154 inet: frags: re-introduce skb coalescing for local delivery 2019-08-08 15:55:10 -07:00
ife
ipv4 nexthops: remove redundant assignment to variable err 2019-08-22 12:14:05 -07:00
ipv6 net: ipv6: fix listify ip6_rcv_finish in case of forwarding 2019-08-23 14:42:14 -07:00
iucv net/af_iucv: mark expected switch fall-throughs 2019-07-29 10:26:14 -07:00
kcm net: Use skb_frag_off accessors 2019-07-30 14:21:32 -07:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-07-08 19:48:57 -07:00
l2tp compat_ioctl: pppoe: fix PPPOEIOCSFWD handling 2019-07-30 14:42:13 -07:00
l3mdev ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF 2019-06-23 13:24:17 -07:00
lapb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 20:20:36 -07:00
llc
mac80211 mac80211: minstrel_ht: improve rate probing for devices with static fallback 2019-08-21 11:10:13 +02:00
mac802154
mpls proc/sysctl: add shared variables for range check 2019-07-18 17:08:07 -07:00
ncsi net/ncsi: update response packet length for GCPS/GNS/GNPTS commands 2019-08-22 19:28:04 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-19 11:54:03 -07:00
netlabel
netlink net: remove empty netlink_tap_exit_net 2019-06-14 19:50:33 -07:00
netrom netrom: hold sock when setting skb->destructor 2019-07-24 15:49:05 -07:00
nfc NFC: fix attrs checks in netlink interface 2019-07-29 08:56:26 -07:00
nsh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-06 18:44:57 -07:00
packet net/packet: fix race in tpacket_snd() 2019-08-15 13:59:48 -07:00
phonet
psample treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
qrtr
rds net/rds: Whitelist rdma_cookie and rx_tstamp for usercopy 2019-08-23 14:55:52 -07:00
rfkill treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rose
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-19 11:54:03 -07:00
sched net: sched: protect block offload-related fields with rw_semaphore 2019-08-26 14:17:43 -07:00
sctp sctp: remove net sctp.x_enable working as a global switch 2019-08-19 18:27:29 -07:00
smc net/smc: avoid fallback in case of non-blocking connect 2019-08-05 13:24:37 -07:00
strparser Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
sunrpc Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
switchdev
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-19 11:54:03 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-19 11:54:03 -07:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 11:00:14 -07:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-06 18:44:57 -07:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless nl80211: Add support for EDMG channels 2019-08-21 11:07:35 +02:00
x25
xdp xdp: xdp_umem: fix umem pages mapping for 32bits systems 2019-08-09 18:02:19 +02:00
xfrm net: Use skb_frag_off accessors 2019-07-30 14:21:32 -07:00
compat.c
Kconfig devlink: Add packet trap infrastructure 2019-08-17 12:40:08 -07:00
Makefile
socket.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
sysctl_net.c