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fb8a3eba9c
KVM's logic for deciding when HPFAR_EL2 is UNKNOWN doesn't align with the architecture. Most notably, KVM assumes HPFAR_EL2 contains the faulting IPA even in the case of an SEA. Align the logic with the architecture rather than attempting to paraphrase it. Additionally, take the opportunity to improve the language around ARM erratum #834220 such that it actually describes the bug. Reviewed-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20250402201725.2963645-2-oliver.upton@linux.dev Signed-off-by: Oliver Upton <oliver.upton@linux.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 reStructuredText 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.