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5228c02a4c
Add an X86_PMU_FEATURE_* framework to simplify probing architectural events on Intel PMUs, which require checking the length of a bit vector and the _absence_ of a "feature" bit. Add helpers for both KVM and "this CPU", and use the newfangled magic (along with X86_PROPERTY_*) to clean up pmu_event_filter_test. No functional change intended. Signed-off-by: Sean Christopherson <seanjc@google.com> Link: https://lore.kernel.org/r/20221006005125.680782-10-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.