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One of the not-so-obvious requirements for restoring a VM is ensuring that the vITS has been restored _before_ creating any irqbypass mappings. This is because KVM needs to get the guest translation for MSIs to correctly assemble the vLPI mapping getting installed in the physical ITS. Document the restore ordering requirements necessary for GICv4 vLPI injection to work. Acked-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20250226183124.82094-5-oliver.upton@linux.dev Signed-off-by: Oliver Upton <oliver.upton@linux.dev> |
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| README | ||
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.