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2d958b02b0
These flags got added as necessary and have no obvious structure. For
feature support checks and masking it's convenient to have two blocks of
flags:
1) Flags to control the internal behaviour like allocating/freeing
MSI descriptors. Those flags do not need any support from the
underlying MSI parent domain. They are mostly under the control
of the outermost domain which implements the actual MSI support.
2) Flags to expose features, e.g. PCI multi-MSI or requirements
which can depend on a underlying domain.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221124232325.322714918@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.