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Intel(R) SGX is a new hardware functionality that can be used by applications to set aside private regions of code and data called enclaves. New hardware protects enclave code and data from outside access and modification. Add a driver that presents a device file and ioctl API to build and manage enclaves. [ bp: Small touchups, remove unused encl variable in sgx_encl_find() as Reported-by: kernel test robot <lkp@intel.com> ] Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> Co-developed-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Tested-by: Jethro Beekman <jethro@fortanix.com> Link: https://lkml.kernel.org/r/20201112220135.165028-12-jarkko@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.