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b0c756fe99
Detect if the system has the new HCRX_EL2 register added in ARMv8.7/9.2, so that subsequent patches can check for its presence. KVM currently relies on the register being present on all CPUs (or none), so the kernel will panic if that is not the case. Fortunately no such systems currently exist, but this can be revisited if they appear. Note that the kernel will not panic if CONFIG_KVM is disabled. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com> Link: https://lore.kernel.org/r/20230509142235.3284028-3-kristina.martsenko@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.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.