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Reading statistics could be done intensively and by several processes concurrently. Reader's lock is sufficient in this case. Change reslock from mutex to a rwsem. Suggested-by: Si-Wei Liu <si-wei.liu@oracle.com> Signed-off-by: Eli Cohen <elic@nvidia.com> Message-Id: <20220518133804.1075129-7-elic@nvidia.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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.