linux-kernel - Re: [PATCH v2] s390/virtio: mark headers as BSD licensed

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Message-Id: <20171108181031.GA2978@osiris>
Date:   Wed, 8 Nov 2017 19:10:31 +0100
From:   Heiko Carstens <heiko.carstens@...ibm.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH v2] s390/virtio: mark headers as BSD licensed

On Wed, Nov 08, 2017 at 06:59:21PM +0200, Michael S. Tsirkin wrote:
> Virtio UAPI headers aren't just for UAPI, it's for guests/hypervisors as
> well.  The s390 ones need to be BSD as well.
> 
> Fixes: e2be04c7f995 ("License cleanup: add SPDX license identifier to uapi header files with a license")
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

I'm not sure why you say your patch fixes the above commit. It just added a
tag that described reality, while you are _proposing_ to relicense the
header file.
That's a completely different story.

> ---
> 
> since v1:
> 	drop an extra comment chunk, reported by Cornelia
> 
>  arch/s390/include/uapi/asm/kvm_virtio.h | 26 +++++++++++++++++++++++++-
>  arch/s390/include/uapi/asm/virtio-ccw.h | 26 +++++++++++++++++++++++++-
>  2 files changed, 50 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/s390/include/uapi/asm/kvm_virtio.h b/arch/s390/include/uapi/asm/kvm_virtio.h
> index 7328367..1773693 100644
> --- a/arch/s390/include/uapi/asm/kvm_virtio.h
> +++ b/arch/s390/include/uapi/asm/kvm_virtio.h
> @@ -1,4 +1,28 @@
> -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> +/* This header is BSD licensed so anyone can use the definitions to implement
> + * compatible drivers/servers.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + *    notice, this list of conditions and the following disclaimer.
> + * 2. 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.
> + * 3. Neither the name of IBM 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 IBM 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. */