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7f7d9e1e02
The 'curr_rate' is protected by local 'dmc->lock' in various places, but not in a function exynos5_dmc_get_status(). The lock protects frequency (and voltage) change process and the corresponding value stored in 'curr_rate'. Add the locking mechanism to protect the 'curr_rate' reading also in the exynos5_dmc_get_status(). Suggested-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lore.kernel.org/r/20200811101727.3976-1-lukasz.luba@arm.com Signed-off-by: Krzysztof Kozlowski <krzk@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.