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b3781f30bf
Cache the value in cpudata->epp_cached, and use that for all callers. As all callers use cached value merge amd_pstate_get_energy_pref_index() into show_energy_performance_preference(). Check if the EPP value is changed before writing it to MSR or shared memory region. Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Link: https://lore.kernel.org/r/20241209185248.16301-12-mario.limonciello@amd.com Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
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 reStructuredText 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.