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6b15ffa07d
No point in initializing the default PCI/MSI interrupt domain early and no point to create it when XEN PV/HVM/DOM0 are active. Move the initialization to pci_arch_init() and convert it to init ops so that XEN can override it as XEN has it's own PCI/MSI management. The XEN override comes in a later step. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20200826112332.859209894@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.