netdev - [PATCH v4 net-next 00/13] net: complete dev_base

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Date: Tue, 13 Feb 2024 06:29:37 +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: netdev@...r.kernel.org, eric.dumazet@...il.com, 
	Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH v4 net-next 00/13] net: complete dev_base_lock removal

Back in 2009 we started an effort to get rid of dev_base_lock
in favor of RCU.

It is time to finish this work.

Say goodbye to dev_base_lock !

v4: rebase, and move dev_addr_sem to net/core/dev.h in patch 06/13 (Jakub)

v3: I misread kbot reports, the issue was with dev->operstate (patch 10/13)
    So dev->reg_state is back to u8, and dev->operstate becomes an u32.
    Sorry for the noise.

v2: dev->reg_state must be a standard enum, some arches
    do not support cmpxchg() on u8.

Eric Dumazet (13):
  net: annotate data-races around dev->name_assign_type
  ip_tunnel: annotate data-races around t->parms.link
  dev: annotate accesses to dev->link
  net: convert dev->reg_state to u8
  net-sysfs: convert netdev_show() to RCU
  net-sysfs: use dev_addr_sem to remove races in address_show()
  net-sysfs: convert dev->operstate reads to lockless ones
  net-sysfs: convert netstat_show() to RCU
  net: remove stale mentions of dev_base_lock in comments
  net: add netdev_set_operstate() helper
  net: remove dev_base_lock from do_setlink()
  net: remove dev_base_lock from register_netdevice() and friends.
  net: remove dev_base_lock

 Documentation/networking/netdevices.rst     |  4 +-
 drivers/net/ethernet/cisco/enic/enic_main.c |  2 +-
 drivers/net/ethernet/nvidia/forcedeth.c     |  4 +-
 drivers/net/ethernet/sfc/efx_common.c       |  2 +-
 drivers/net/ethernet/sfc/falcon/efx.c       |  2 +-
 drivers/net/ethernet/sfc/siena/efx_common.c |  2 +-
 include/linux/netdevice.h                   | 27 ++++----
 include/linux/rtnetlink.h                   |  2 +
 net/bridge/br_netlink.c                     |  3 +-
 net/core/dev.c                              | 71 +++++----------------
 net/core/dev.h                              |  3 +
 net/core/link_watch.c                       | 13 ++--
 net/core/net-sysfs.c                        | 39 ++++++-----
 net/core/rtnetlink.c                        | 26 +++++---
 net/hsr/hsr_device.c                        | 28 +++-----
 net/ipv4/ip_tunnel.c                        | 27 ++++----
 net/ipv6/addrconf.c                         |  2 +-
 17 files changed, 112 insertions(+), 145 deletions(-)

-- 
2.43.0.687.g38aa6559b0-goog