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ip6mr_for_each_table() macro uses list_for_each_entry_rcu() for traversing outside an RCU read side critical section but under the protection of rtnl_mutex. Hence add the corresponding lockdep expression to silence the following false-positive warnings: [ 4.319479] ============================= [ 4.319480] WARNING: suspicious RCU usage [ 4.319482] 5.5.4-stable #17 Tainted: G E [ 4.319483] ----------------------------- [ 4.319485] net/ipv6/ip6mr.c:1243 RCU-list traversed in non-reader section!! [ 4.456831] ============================= [ 4.456832] WARNING: suspicious RCU usage [ 4.456834] 5.5.4-stable #17 Tainted: G E [ 4.456835] ----------------------------- [ 4.456837] net/ipv6/ip6mr.c:1582 RCU-list traversed in non-reader section!! Signed-off-by: Amol Grover <frextrite@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.