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7b502832ee
Add error codes for ENCLS[EUPDATESVN], then SGX CPUSVN update process can know the execution state of EUPDATESVN and notify userspace. EUPDATESVN will be called when no active SGX users is guaranteed. Only add the error codes that can legally happen. E.g., it could also fail due to "SGX not ready" when there's SGX users but it wouldn't happen in this implementation. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Kai Huang <kai.huang@intel.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Tested-by: Nataliia Bondarevska <bondarn@google.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 reStructuredText 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.