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The host is treated differently from the guests when an exception is taken so introduce a separate vector that is specialized for the host. This also allows the nVHE specific code to move out of hyp-entry.S and into nvhe/host.S. The host is only expected to make HVC calls and anything else is considered invalid and results in a panic. Hyp initialization is now passed the vector that is used for the host and it is swapped for the guest vector during the context switch. Signed-off-by: Andrew Scull <ascull@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200915104643.2543892-7-ascull@google.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.