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54bb4a91b2
Xen on Arm has gained new support recently to calculate and report extended regions (unused address space) safe to use for external mappings. These regions are reported via "reg" property under "hypervisor" node in the guest device-tree. As region 0 is reserved for grant table space (always present), the indexes for extended regions are 1...N. No device-tree bindings update is needed (except clarifying the text) as guest infers the presence of extended regions from the number of regions in "reg" property. While at it, remove the following sentence: "This property is unnecessary when booting Dom0 using ACPI." for "reg" and "interrupts" properties as the initialization is not done via device-tree "hypervisor" node in that case anyway. Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1639080336-26573-7-git-send-email-olekstysh@gmail.com Signed-off-by: Juergen Gross <jgross@suse.com> |
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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.