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70a59fde6e
On some occasions cpufreq_verify_current_freq() schedules a work whose callback is handle_update(), which further calls cpufreq_update_policy() which may end up calling cpufreq_verify_current_freq() again. On the other hand, when cpufreq_update_policy() is called from handle_update(), the pointer to the cpufreq policy is already available, but cpufreq_cpu_acquire() is still called to get it in cpufreq_update_policy(), which should be avoided as well. To fix these issues, create a new helper, refresh_frequency_limits(), and make both handle_update() call it cpufreq_update_policy(). Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> [ rjw: Rename reeval_frequency_limits() as refresh_frequency_limits() ] [ rjw: Changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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| drivers | ||
| fs | ||
| include | ||
| init | ||
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| kernel | ||
| lib | ||
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| README | ||
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.