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313b64c3ae
In anticipation of the removal of the msi_controller structure, convert the ancient xilinx host controller driver to MSI domains. We end-up with the usual two domain structure, the top one being a generic PCI/MSI domain, the bottom one being xilinx-specific and handling the actual HW interrupt allocation. This allows us to fix some of the most appaling MSI programming, where the message programmed in the device is the virtual IRQ number instead of the allocated vector number. The allocator is also made safe with a mutex. This should allow support for MultiMSI, but I decided not to even try, since I cannot test it. Link: https://lore.kernel.org/r/20210330151145.997953-6-maz@kernel.org Tested-by: Bharat Kumar Gogada <bharatku@xilinx.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> |
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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 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.