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Eric Dumazet says:
====================
ipv4: preliminary work for per-netns RTNL
Inspired by 9b8ca04854 ("ipv4: avoid quadratic behavior in
FIB insertion of common address") and per-netns RTNL conversion
started by Kuniyuki this week.
ip_fib_check_default() can use RCU instead of a shared spinlock.
fib_info_lock can be removed, RTNL is already used.
fib_info_devhash[] can be removed in favor of a single
pointer in net_device.
====================
Link: https://patch.msgid.link/20241004134720.579244-1-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.