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exit_batch_rtnl() is called while RTNL is held, and devices to be unregistered can be queued in the dev_kill_list. This saves one rtnl_lock()/rtnl_unlock() pair per netns and one unregister_netdevice_many() call. v4: (Paolo feedback : https://netdev-3.bots.linux.dev/vmksft-net/results/453141/17-udpgro-fwd-sh/stdout ) - Changed vxlan_destroy_tunnels() to use vxlan_dellink() instead of unregister_netdevice_queue to propely remove devices from vn->vxlan_list. - vxlan_destroy_tunnels() can simply iterate one list (vn->vxlan_list) to find all devices in the most efficient way. - Moved sanity checks in a separate vxlan_exit_net() method. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Antoine Tenart <atenart@kernel.org> Link: https://lore.kernel.org/r/20240206144313.2050392-10-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.