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[ Upstream commit3b7180573c] In the CPU removal path the ->offline() callback provided by the driver is always invoked before ->exit(), but in the cpufreq_online() error path it is not, so ->exit() is expected to somehow know the context in which it has been called and act accordingly. That is less than straightforward, so make cpufreq_online() invoke the driver's ->offline() callback, if present, on errors before ->exit() too. This only potentially affects intel_pstate. Fixes:91a12e91dc("cpufreq: Allow light-weight tear down and bring up of CPUs") Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> 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.