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Eric Dumazet says: ==================== net: reduce RTNL pressure in unregister_netdevice() One major source of RTNL contention resides in unregister_netdevice() Due to RCU protection of various network structures, and unregister_netdevice() being a synchronous function, it is calling potentially slow functions while holding RTNL. I think we can release RTNL in two points, so that three slow functions are called while RTNL can be used by other threads. v1: https://lore.kernel.org/netdev/20250107130906.098fc8d6@kernel.org/T/#m398c95f5778e1ff70938e079d3c4c43c050ad2a6 ==================== Link: https://patch.msgid.link/20250114205531.967841-1-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 reStructuredText 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.