Re: [PATCH v8 4/8] intel_sgx: driver for Intel Software Guard Extensions

From: Philippe Ombredanne
Date: Fri Dec 15 2017 - 20:54:21 EST


Jarkko, Suresh,

On Fri, Dec 15, 2017 at 9:27 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.
[...]

> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
> Tested-by: Serge Ayoun <serge.ayoun@xxxxxxxxx>

[...]

> --- /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>
> + */


Would you be kind enough to use the SPDX tags instead of this fine but
super long (40+ lines) legalese? This is the new way as documented in
Thomas [1] patches and already adopted by other Intel contributors.

Thank you for your kind consideration!

[1] https://lkml.org/lkml/2017/12/4/934

CC: Vinod Koul <vinod.koul@xxxxxxxxx>
CC: Jessica Marz <jessica.marz@xxxxxxxxx>
--
Cordially
Philippe Ombredanne