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Vasant Hegde f594496403 iommu/amd: Add 5 level guest page table support
Newer AMD IOMMU supports 5 level guest page table (v2 page table). If both
processor and IOMMU supports 5 level page table then enable it. Otherwise
fall back to 4 level page table.

Co-developed-by: Wei Huang <wei.huang2@amd.com>
Signed-off-by: Wei Huang <wei.huang2@amd.com>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20230310090000.1117786-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
History 2023-03-28 15:31:31 +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 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.