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Newer ISA versions are enabled by clearing all bits in the PCR associated with previous versions of the ISA. Enable ISA v3.1 support by updating the PCR mask to include ISA v3.0. This ensures all PCR bits corresponding to earlier architecture versions get cleared thereby enabling ISA v3.1 if supported by the hardware. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200521014341.29095-3-alistair@popple.id.au
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.