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b6d5fc3a52
Enable MSI parent domain support in the x86 vector domain and fixup the checks in the iommu implementations to check whether device::msi::domain is the default MSI parent domain. That keeps the existing logic to protect e.g. devices behind VMD working. The interrupt remap PCI/MSI code still works because the underlying vector domain still provides the same functionality. None of the other x86 PCI/MSI, e.g. XEN and HyperV, implementations are affected either. They still work the same way both at the low level and the PCI/MSI implementations they provide. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Acked-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20221124232326.034672592@linutronix.de
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.