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d0008553a7
For per-netns device unregistration, the list passed to unregister_netdevice_many() must contain devices from a single netns only (once all callers are converted). Let's move collected devices in the following functions to net->dev_unreg_head and let __rtnl_net_unlock() pass them to unregister_netdevice_many(). * default_device_exit_batch() * ops_exit_rtnl_list() * __rtnl_kill_links() This allows incremental conversion of each driver to support per-netns device unregistration without affecting the normal kernel where CONFIG_DEBUG_NET_SMALL_RTNL is disabled. Note that this change unbatches synchronize_rcu() etc in unregister_netdevice_many(), but we can later split it into multiple stages to batch them again. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Link: https://patch.msgid.link/20260703001009.1572444-8-kuniyu@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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