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Jacob Pan 43650dcf6d x86/irq: Set up per host CPU posted interrupt descriptors
To support posted MSIs, create a posted interrupt descriptor (PID) for each
host CPU. Later on, when setting up interrupt affinity, the IOMMU's
interrupt remapping table entry (IRTE) will point to the physical address
of the matching CPU's PID.

Each PID is initialized with the owner CPU's physical APICID as the
destination.

Originally-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240423174114.526704-7-jacob.jun.pan@linux.intel.com
History 2024-04-30 00:54:42 +02:00
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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.