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80d8b55a57
The ESR_ELx_ERET_ISS_ERET* macros are a bit confusing: - ESR_ELx_ERET_ISS_ERET really indicates that we have trapped an ERETA* instruction, as opposed to an ERET - ESR_ELx_ERET_ISS_ERETA really indicates that we have trapped an ERETAB instruction, as opposed to an ERETAA. We could repaint those to make more sense, but these are the names that are present in the ARM ARM, and we are sentimentally attached to those. Instead, add two new helpers: - esr_iss_is_eretax() being true tells you that you need to authenticate the ERET - esr_iss_is_eretab() tells you that you need to use the B key instead of the A key Following patches will make use of these primitives. Suggested-by: Joey Gouly <joey.gouly@arm.com> Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20240419102935.1935571-3-maz@kernel.org Signed-off-by: Marc Zyngier <maz@kernel.org> |
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| README | ||
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.