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a6dd6f3900
The TDG.VP.INFO TDCALL provides the guest with various details about the TDX system that the guest needs to run. Only one field is currently used: 'gpa_width' which tells the guest which PTE bits mark pages shared or private. A second field is now needed: the guest "TD attributes" to tell if virtualization exceptions are configured in a way that can harm the guest. Make the naming and calling convention more generic and discrete from the mask-centric one. Thanks to Sathya for the inspiration here, but there's no code, comments or changelogs left from where he started. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: stable@vger.kernel.org
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.