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bc6397cf0b
Add defines for the 0xc001_1005 MSR (Core::X86::Msr::CPUID_ExtFeatures) used to toggle the extended CPUID features, instead of using literal numbers. Also define and use the bits necessary for an old TOPOEXT fixup on AMD Family 0x15 processors. No functional changes intended. [ bp: Massage, rename MSR to adhere to the documentation name. ] Signed-off-by: K Prateek Nayak <kprateek.nayak@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/20250901170418.4314-1-kprateek.nayak@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.