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ca3fd5ff7b
[ Upstream commit85f0e42bd6] This reverts commitf346e96267. The commit tried to fix a possible real bug but it made it even worse. The fix was simply buggy as now an error out to out_offline_policy or out_exit_policy will try to release a semaphore which was never taken in the first place. This works fine only if we failed late, i.e. via out_destroy_policy. Fixes:f346e96267("cpufreq: Fix possible race in cpufreq online error path") Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@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.