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Kuniyuki Iwashima says: ==================== ipv4: Namespacify IPv4 address hash table. This is a prep of per-net RTNL conversion for RTM_(NEW|DEL|SET)ADDR. Currently, each IPv4 address is linked to the global hash table, and this needs to be protected by another global lock or namespacified to support per-net RTNL. Adding a global lock will cause deadlock in the rtnetlink path and GC, rtnetlink check_lifetime |- rtnl_net_lock(net) |- acquire the global lock |- acquire the global lock |- check ifa's netns `- put ifa into hash table `- rtnl_net_lock(net) so we need to namespacify the hash table. The IPv6 one is already namespacified, let's follow that. v2: https://lore.kernel.org/netdev/20241004195958.64396-1-kuniyu@amazon.com/ v1: https://lore.kernel.org/netdev/20241001024837.96425-1-kuniyu@amazon.com/ ==================== Link: https://patch.msgid.link/20241008172906.1326-1-kuniyu@amazon.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.