netdev - [PATCH v2 net-next 00/15] ipv6: lockless accesses to devconf

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Date: Tue, 27 Feb 2024 15:01:45 +0000
From: Eric Dumazet <edumazet@...gle.com>
To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>
Cc: David Ahern <dsahern@...nel.org>, Jiri Pirko <jiri@...dia.com>, netdev@...r.kernel.org, 
	eric.dumazet@...il.com, Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH v2 net-next 00/15] ipv6: lockless accesses to devconf

- First patch puts in a cacheline_group the fields used in fast paths.

- Annotate all data races around idev->cnf fields.

- Last patch in this series removes RTNL use for RTM_GETNETCONF dumps.

v2: addressed Jiri Pirko feedback
 - Added "ipv6: addrconf_disable_ipv6() optimizations"
   and "ipv6: addrconf_disable_policy() optimization"

Eric Dumazet (15):
  ipv6: add ipv6_devconf_read_txrx cacheline_group
  ipv6: annotate data-races around cnf.disable_ipv6
  ipv6: addrconf_disable_ipv6() optimizations
  ipv6: annotate data-races around cnf.mtu6
  ipv6: annotate data-races around cnf.hop_limit
  ipv6: annotate data-races around cnf.forwarding
  ipv6: annotate data-races in ndisc_router_discovery()
  ipv6: annotate data-races around idev->cnf.ignore_routes_with_linkdown
  ipv6: annotate data-races in rt6_probe()
  ipv6: annotate data-races around devconf->proxy_ndp
  ipv6: annotate data-races around devconf->disable_policy
  ipv6: addrconf_disable_policy() optimization
  ipv6/addrconf: annotate data-races around devconf fields (I)
  ipv6/addrconf: annotate data-races around devconf fields (II)
  ipv6: use xa_array iterator to implement inet6_netconf_dump_devconf()

 .../ethernet/netronome/nfp/flower/action.c    |   2 +-
 drivers/net/usb/cdc_mbim.c                    |   2 +-
 include/linux/ipv6.h                          |  13 +-
 include/net/addrconf.h                        |   2 +-
 include/net/ip6_route.h                       |   2 +-
 include/net/ipv6.h                            |   8 +-
 net/core/filter.c                             |   2 +-
 net/ipv6/addrconf.c                           | 283 +++++++++---------
 net/ipv6/exthdrs.c                            |  16 +-
 net/ipv6/ioam6.c                              |   8 +-
 net/ipv6/ip6_input.c                          |   6 +-
 net/ipv6/ip6_output.c                         |  10 +-
 net/ipv6/ipv6_sockglue.c                      |   2 +-
 net/ipv6/mcast.c                              |  14 +-
 net/ipv6/ndisc.c                              |  69 +++--
 net/ipv6/netfilter/nf_reject_ipv6.c           |   4 +-
 net/ipv6/output_core.c                        |   4 +-
 net/ipv6/route.c                              |  20 +-
 net/ipv6/seg6_hmac.c                          |   8 +-
 net/netfilter/nf_synproxy_core.c              |   2 +-
 20 files changed, 246 insertions(+), 231 deletions(-)

-- 
2.44.0.rc1.240.g4c46232300-goog