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056b9919a1
Replace an #ifdef on CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS with a cpu_feature_enabled() check on X86_FEATURE_PKU. The macro magic of DISABLED_MASK_BIT_SET() means that cpu_feature_enabled() provides the same end result (no code generated) when PKU is disabled by Kconfig. No functional change intended. Cc: Jon Kohler <jon@nutanix.com> Reviewed-by: Jon Kohler <jon@nutanix.com> Link: https://lore.kernel.org/r/20230602010550.785722-1-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.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 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.