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authorKuniyuki Iwashima <kuniyu@amazon.com>2025-01-06 16:07:49 +0900
committerJakub Kicinski <kuba@kernel.org>2025-01-07 17:49:19 -0800
commita239e0625097bccdd4065390952fe9e6d0fdf02b (patch)
treec837fe82812876a2931999f753435b20cfe80977 /scripts/lib/kdoc/kdoc_parser.py
parent4ce1aeece911c7fe3ac6afb96dbc2c6ef20da639 (diff)
net: Hold __rtnl_net_lock() in (un)?register_netdevice_notifier().
(un)?register_netdevice_notifier() hold pernet_ops_rwsem and RTNL, iterate all netns, and trigger the notifier for all netdev. Let's hold __rtnl_net_lock() before triggering the notifier. Note that we will need protection for netdev_chain when RTNL is removed. (e.g. blocking_notifier conversion [0] with a lockdep annotation [1]) Link: https://lore.kernel.org/netdev/20250104063735.36945-2-kuniyu@amazon.com/ [0] Link: https://lore.kernel.org/netdev/20250105075957.67334-1-kuniyu@amazon.com/ [1] Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20250106070751.63146-2-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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