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In MTRR code use_intel() is only used in one source file, and the relevant use_intel_if member of struct mtrr_ops is set only in generic_mtrr_ops. Replace use_intel() with a single flag in cacheinfo.c which can be set when assigning generic_mtrr_ops to mtrr_if. This allows to drop use_intel_if from mtrr_ops, while preparing to decouple PAT from MTRR. As another preparation for the PAT/MTRR decoupling use a bit for MTRR control and one for PAT control. For now set both bits together, this can be changed later. As the new flag will be set only if mtrr_enabled is set, the test for mtrr_enabled can be dropped at some places. [ bp: Massage commit message. ] Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/20221102074713.21493-4-jgross@suse.com Signed-off-by: Borislav Petkov <bp@suse.de>
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.