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Initialize the default ID register values upon the first call to KVM_ARM_VCPU_INIT. The vCPU feature flags are finalized at that point, so it is possible to determine the maximum feature set supported by a particular VM configuration. Do nothing with these values for now, as we need to rework the plumbing of what's already writable to be compatible with the generic infrastructure. Co-developed-by: Reiji Watanabe <reijiw@google.com> Signed-off-by: Reiji Watanabe <reijiw@google.com> Signed-off-by: Jing Zhang <jingzhangos@google.com> Link: https://lore.kernel.org/r/20230609190054.1542113-7-oliver.upton@linux.dev [Oliver: Hoist everything into KVM_ARM_VCPU_INIT time, so the features are final] 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.