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898ec52d2b
If the TSC frequency is known from the pvclock page, the TSC frequency does not need to be recalibrated. We can avoid recalibration by setting X86_FEATURE_TSC_KNOWN_FREQ. Signed-off-by: Hayato Ohhashi <o8@vmm.dev> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lore.kernel.org/r/20200721161231.6019-1-o8@vmm.dev
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.