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xe_mmio currently has a size parameter that is assigned but never used anywhere. The current values assigned appear to be the size of the BAR region assigned for the tile (both for registers and other purposes such as the GGTT). Since the current field isn't being used for anything, change the assignments to 4MB (the size of the register region on all current platform) and rename the field to 'regs_size' to more clearly describe what it represents. We can use this value in later patches to help ensure no register accesses accidentally go past the end of the desired register space (which might not be caught easily if they still fall within the iomap). v2: - s/regs_length/regs_size/ (Lucas) - Clarify kerneldoc description (Lucas) Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240910234719.3335472-48-matthew.d.roper@intel.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.