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2e00f7a4bb
Some firmware implementations use the "Ones" ASL opcode to produce an integer with all bits set in order to indicate missing speed or power readings. This however only works when using 32-bit integers, as the ACPI spec requires a 32-bit integer (0xFFFFFFFF) to be returned for missing speed/power readings. With 64-bit integers the "Ones" opcode produces a 64-bit integer with all bits set, violating the ACPI spec regarding the placeholder value for missing readings. Work around such buggy firmware implementation by also checking for 64-bit integers with all bits set when reading _FST. Signed-off-by: Armin Wolf <W_Armin@gmx.de> [ rjw: Typo fix in the changelog ] Link: https://patch.msgid.link/20251007234149.2769-3-W_Armin@gmx.de Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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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.