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nv_update_stats() triggers a WARN_ON() when invoked from hard interrupt context because the locks in use are not hard interrupt safe. It also has an assert_spin_locked() which was the lock check before the lockdep era. Lockdep has way broader locking correctness checks and covers both issues, so replace the warning and the lock assert with lockdep_assert_held(). Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Rain River <rain.1986.08.12@gmail.com> Cc: Zhu Yanjun <zyjzyj2000@gmail.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 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.