Starting with MTL, the number of entries in the PAT table increased to 16. The register offset jumped between index 7 and index 8, so a slight adjustment is needed to ensure the PAT_INDEX macros select the proper offset for the upper half of the table. Note that although there are 16 registers in the hardware, the driver is currently only asked to program the first 5, and we leave the rest at their hardware default values. That means we don't actually touch the upper half of the PAT table in the driver today and this patch won't have any functional effect [yet]. Bspec: 44235 Reviewed-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://lore.kernel.org/r/20230324210415.2434992-7-matthew.d.roper@intel.com Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@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 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.
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