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9958d58779
Negative trap bits are a massive pain. They are, on the surface, indistinguishable from RES0 bits. Do you trap? or do you ignore? Thankfully, we now have the right infrastructure to check for RES0 bits as long as the register is backed by VNCR, which is the case for the FGT registers. Use that information as a discriminant when handling a trap that is potentially caused by a FGT. Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20240214131827.2856277-10-maz@kernel.org 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 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.