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The LPA2 feature introduces new FSC values to report abort exceptions related to translation level -1. Define these and wire them up. Reuse the new ESR FSC classification helpers that arrived via the KVM arm64 tree, and update the one for translation faults to check specifically for a translation fault at level -1. (Access flag or permission faults cannot occur at level -1 because they alway involve a descriptor at the superior level so changing those helpers is not needed). Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20240214122845.2033971-73-ardb+git@google.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.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.