netdev - [PATCH net-next 0/8] net: add rcu safety to dst->dev

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Message-ID: <20250828195823.3958522-1-edumazet@google.com>
Date: Thu, 28 Aug 2025 19:58:15 +0000
From: Eric Dumazet <edumazet@...gle.com>
To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>, Neal Cardwell <ncardwell@...gle.com>
Cc: Simon Horman <horms@...nel.org>, Kuniyuki Iwashima <kuniyu@...gle.com>, 
	David Ahern <dsahern@...nel.org>, netdev@...r.kernel.org, eric.dumazet@...il.com, 
	Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next 0/8] net: add rcu safety to dst->dev

Followup of commit 88fe14253e18 ("net: dst: add four helpers
to annotate data-races around dst->dev").

Use lockdep enabled helpers to convert our unsafe dst->dev
uses one at a time.

More to come...

Eric Dumazet (8):
  net: dst: introduce dst->dev_rcu
  ipv6: start using dst_dev_rcu()
  ipv6: use RCU in ip6_xmit()
  ipv6: use RCU in ip6_output()
  net: use dst_dev_rcu() in sk_setup_caps()
  tcp_metrics: use dst_dev_net_rcu()
  tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()
  ipv4: start using dst_dev_rcu()

 include/net/dst.h       | 16 +++++++----
 include/net/ip.h        |  6 ++--
 include/net/ip6_route.h |  2 +-
 include/net/route.h     |  2 +-
 net/core/dst.c          |  2 +-
 net/core/sock.c         | 16 +++++++----
 net/ipv4/icmp.c         |  6 ++--
 net/ipv4/ip_fragment.c  |  6 ++--
 net/ipv4/ipmr.c         |  6 ++--
 net/ipv4/route.c        |  8 +++---
 net/ipv4/tcp_fastopen.c |  7 +++--
 net/ipv4/tcp_metrics.c  |  6 ++--
 net/ipv6/anycast.c      |  2 +-
 net/ipv6/icmp.c         |  6 ++--
 net/ipv6/ip6_output.c   | 64 +++++++++++++++++++++++------------------
 net/ipv6/mcast.c        |  2 +-
 net/ipv6/ndisc.c        |  2 +-
 net/ipv6/output_core.c  |  8 ++++--
 net/ipv6/route.c        |  7 ++---
 19 files changed, 99 insertions(+), 75 deletions(-)

-- 
2.51.0.318.gd7df087d1a-goog