On Sat, Dec 16, 2017 at 5:19 PM, Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote: > Intel SGX is a set of CPU instructions that can be used by applications > to set aside private regions of code and data. The code outside the > enclave is disallowed to access the memory inside the enclave by the CPU > access control. <snip> > --- /dev/null > +++ b/arch/x86/include/asm/sgx.h > @@ -0,0 +1,233 @@ > +/* > + * This file is provided under a dual BSD/GPLv2 license. When using or > + * redistributing this file, you may do so under either license. > + * > + * GPL LICENSE SUMMARY > + * > + * Copyright(c) 2016-2017 Intel Corporation. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of version 2 of the GNU General Public License as > + * published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, but > + * WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + * General Public License for more details. > + * > + * Contact Information: > + * Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> > + * Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo > + * > + * BSD LICENSE > + * > + * Copyright(c) 2016-2017 Intel Corporation. > + * > + * Redistribution and use in source and binary forms, with or without > + * modification, are permitted provided that the following conditions > + * are met: > + * > + * * Redistributions of source code must retain the above copyright > + * notice, this list of conditions and the following disclaimer. > + * * Redistributions in binary form must reproduce the above copyright > + * notice, this list of conditions and the following disclaimer in > + * the documentation and/or other materials provided with the > + * distribution. > + * * Neither the name of Intel Corporation nor the names of its > + * contributors may be used to endorse or promote products derived > + * from this software without specific prior written permission. > + * > + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS > + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT > + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR > + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT > + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, > + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT > + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, > + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY > + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT > + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE > + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. > + * > + * Authors: > + * > + * Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> > + * Suresh Siddha <suresh.b.siddha@xxxxxxxxx> > + */ Please consider using the new SPDX tags per Thomas doc patches [1], and already adopted by other Intel contributors Thanks! [1] https://lkml.org/lkml/2017/12/4/934 -- Cordially Philippe Ombredanne, your friendly kernel licensing scruffy