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ff7883ea60
linux/net
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David Ahern ff7883ea60 net: ipv6: Make inet6addr_validator a blocking notifier 
inet6addr_validator chain was added by commit 3ad7d2468f ("Ipvlan
should return an error when an address is already in use") to allow
address validation before changes are committed and to be able to
fail the address change with an error back to the user. The address
validation is not done for addresses received from router
advertisements.

Handling RAs in softirq context is the only reason for the notifier
chain to be atomic versus blocking. Since the only current user, ipvlan,
of the validator chain ignores softirq context, the notifier can be made
blocking and simply not invoked for softirq path.

The blocking option is needed by spectrum for example to validate
resources for an adding an address to an interface.

Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-20 13:15:07 +01:00
..
6lowpan
9p net/9p: switch p9_fd_read to kernel_write 2017-09-04 19:05:16 -04:00
802 net: introduce __skb_put_[zero, data, u8] 2017-06-20 13:30:14 -04:00
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-10-05 18:19:22 -07:00
appletalk networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
atm net: atm: Convert timers to use timer_setup() 2017-10-18 12:40:27 +01:00
ax25 net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t 2017-07-04 22:35:19 +01:00
batman-adv This cleanup patchset includes the following patches: 2017-10-06 10:12:52 -07:00
bluetooth Revert "Bluetooth: Add option for disabling legacy ioctl interfaces" 2017-09-28 13:20:32 -07:00
bpf bpf: add meta pointer for direct access 2017-09-26 13:36:44 -07:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-10-09 20:11:09 -07:00
caif net: convert sock.sk_wmem_alloc from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
can net: can: Convert timers to use timer_setup() 2017-10-18 12:39:38 +01:00
ceph libceph: don't allow bidirectional swap of pg-upmap-items 2017-09-19 20:34:29 +02:00
core Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue 2017-10-19 11:44:36 +01:00
dcb rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
dccp inet/connection_sock: Convert timers to use timer_setup() 2017-10-18 12:39:55 +01:00
decnet decnet: af_decnet: mark expected switch fall-throughs 2017-10-18 14:10:29 +01:00
dns_resolver
dsa net: dsa: split dsa_port's netdev member 2017-10-18 12:24:33 +01:00
ethernet networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
hsr net/hsr: Check skb_put_padto() return value 2017-08-22 13:40:23 -07:00
ieee802154 inet: frags: Convert timers to use timer_setup() 2017-10-18 12:39:55 +01:00
ife
ipv4 tcp: fix tcp_xmit_retransmit_queue() after rbtree introduction 2017-10-18 14:19:26 +01:00
ipv6 net: ipv6: Make inet6addr_validator a blocking notifier 2017-10-20 13:15:07 +01:00
ipx net: ipx: mark expected switch fall-through 2017-10-18 14:13:08 +01:00
iucv iucv: Convert sk_wmem_alloc accesses to refcount_t. 2017-07-03 02:31:22 -07:00
kcm kcm: Remove redundant unlikely() 2017-09-26 09:54:06 -07:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-08-15 20:23:23 -07:00
l2tp net: l2tp: mark expected switch fall-through 2017-10-19 13:33:23 +01:00
l3mdev
lapb net/lapb: Convert timers to use timer_setup() 2017-10-18 12:39:36 +01:00
llc net, llc: convert llc_sap.refcnt from atomic_t to refcount_t 2017-07-04 22:35:15 +01:00
mac80211 mac80211: don't track HT capability changes 2017-10-13 14:29:02 +02:00
mac802154 mac802154: Fix MAC header and payload encrypted 2017-09-20 13:37:16 +02:00
mpls ip_tunnel: fix building with NET_IP_TUNNEL=m 2017-10-12 12:21:11 -07:00
ncsi net/ncsi: fix ncsi_vlan_rx_{add,kill}_vid references 2017-09-05 09:11:45 -07:00
netfilter netfilter: ipset: Convert timers to use timer_setup() 2017-10-18 12:39:54 +01:00
netlabel
netlink netlink: use NETLINK_CB(in_skb).sk instead of looking it up 2017-10-18 12:20:13 +01:00
netrom net/core: Convert sk_timer users to use timer_setup() 2017-10-18 12:40:27 +01:00
nfc net: nfc: llcp_core: use setup_timer() helper. 2017-09-25 13:19:20 -07:00
nsh nsh: add GSO support 2017-08-29 15:16:52 -07:00
openvswitch openvswitch: add ct_clear action 2017-10-10 16:38:34 -07:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-10-05 18:19:22 -07:00
phonet net: phonet: mark phonet_protocol as const 2017-10-07 23:15:08 +01:00
psample networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
qrtr net: qrtr: Support decoding incoming v2 packets 2017-10-11 15:28:39 -07:00
rds RDS: IB: Initialize max_items based on underlying device attributes 2017-10-05 21:16:33 -07:00
rfkill net: rfkill: gpio: Switch to devm_acpi_dev_add_driver_gpios() 2017-06-13 11:07:51 +02:00
rose net/core: Convert sk_timer users to use timer_setup() 2017-10-18 12:40:27 +01:00
rxrpc rxrpc: Use MSG_WAITALL to tell sendmsg() to temporarily ignore signals 2017-10-18 11:43:07 +01:00
sched net/sched: Set the net-device for egress device instance 2017-10-20 13:09:35 +01:00
sctp sctp: make array sctp_sched_ops static 2017-10-11 20:18:25 -07:00
smc net/smc: dev_put for netdev after usage of ib_query_gid() 2017-10-12 12:20:27 -07:00
strparser strparser: initialize all callbacks 2017-08-24 21:57:50 -07:00
sunrpc sunrpc: Convert timers to use timer_setup() 2017-10-18 12:40:27 +01:00
switchdev net: switchdev: Remove bridge bypass support from switchdev 2017-08-07 14:48:48 -07:00
tipc tipc: checking for NULL instead of IS_ERR() 2017-10-20 08:34:00 +01:00
tls tls: make tls_sw_free_resources static 2017-09-14 09:55:21 -07:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-08-21 17:06:42 -07:00
vmw_vsock VSOCK: add sock_diag interface 2017-10-05 18:44:17 -07:00
wimax
wireless Three fixes for the recently added new code: 2017-10-14 18:36:46 -07:00
x25 net/core: Convert sk_timer users to use timer_setup() 2017-10-18 12:40:27 +01:00
xfrm xfrm: Convert timers to use timer_setup() 2017-10-18 12:39:37 +01:00
compat.c net: compat: assert the size of cmsg copied in is as expected 2017-09-20 15:36:18 -07:00
Kconfig net: Remove CONFIG_NETFILTER_DEBUG and _ASSERT() macros. 2017-09-04 13:25:20 +02:00
Makefile nsh: add GSO support 2017-08-29 15:16:52 -07:00
socket.c net: fixes for skb_send_sock 2017-08-16 11:27:52 -07:00
sysctl_net.c