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Utilization update callbacks are now processed remotely, even on the CPUs that don't share cpufreq policy with the target CPU (if dvfs_possible_from_any_cpu flag is set). But in non-fast switch paths, the frequency is changed only from one of policy->related_cpus. This happens because the kthread which does the actual update is bound to a subset of CPUs (i.e. related_cpus). Allow frequency to be remotely updated as well (i.e. call __cpufreq_driver_target()) if dvfs_possible_from_any_cpu flag is set. Reported-by: Pavan Kondeti <pkondeti@codeaurora.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.