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Userspace can call the Add Secret Ultravisor Call using IOCTLs on the uvdevice. The Add Secret UV call sends an encrypted and cryptographically verified request to the Ultravisor. The request inserts a protected guest's secret into the Ultravisor for later use. The uvdevice is merely transporting the request from userspace to the Ultravisor. It's neither checking nor manipulating the request data. Signed-off-by: Steffen Eiden <seiden@linux.ibm.com> Reviewed-by: Janosch Frank <frankja@linux.ibm.com> Link: https://lore.kernel.org/r/20230615100533.3996107-4-seiden@linux.ibm.com Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Message-Id: <20230615100533.3996107-4-seiden@linux.ibm.com>
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.