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[ Upstream commit 9c4609225ec1cb551006d6a03c7c4ad8cb5584c0 ] Add two functions to atomically replace RCU-protected hlist_nulls entries. Keep using WRITE_ONCE() to assign values to ->next and ->pprev, as mentioned in the patch below: commitefd04f8a8b("rcu: Use WRITE_ONCE() for assignments to ->next for rculist_nulls") commit860c8802ac("rcu: Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls") Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Frederic Weisbecker <frederic@kernel.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Xuanqiang Luo <luoxuanqiang@kylinos.cn> Link: https://patch.msgid.link/20251015020236.431822-2-xuanqiang.luo@linux.dev Signed-off-by: Jakub Kicinski <kuba@kernel.org> Stable-dep-of: 1532ed0d0753 ("inet: Avoid ehash lookup race in inet_ehash_insert()") Signed-off-by: Sasha Levin <sashal@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.