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04af8a3968
triage_sysreg_trap() assumes that it knows all the possible values for FGT groups, which won't be the case as we start adding more FGT registers (unless we add everything in one go, which is obviously undesirable). At the same time, it doesn't offer much in terms of debugging info when things go wrong. Turn the "__NR_FGT_GROUP_IDS__" case into a default, covering any unhandled value, and give the kernel hacker a bit of a clue about what's wrong (system register and full trap descriptor). Signed-off-by: Marc Zyngier <maz@kernel.org>
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.