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25d9767831
mlogbuf_rlock has declared and initialized by DEFINE_SPINLOCK, so we don't need to spin_lock_init again, drop it. Link: https://lkml.kernel.org/r/1652176897-4754-1-git-send-email-baihaowen@meizu.com Signed-off-by: Haowen Bai <baihaowen@meizu.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.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.