From: Wei Liu <wei.liu2@citrix.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: wei.liu2@citrix.com, andrew.cooper3@citrix.com,
ian.jackson@eu.citrix.com, xen-devel@lists.xen.org,
julien.grall@arm.com, jbeulich@suse.com,
zhaoshenglong@huawei.com, roger.pau@citrix.com
Subject: Re: [PATCH v7] acpi: Prevent GPL-only code from seeping into non-GPL binaries
Date: Tue, 27 Sep 2016 16:39:10 +0100 [thread overview]
Message-ID: <20160927153910.GK16004@citrix.com> (raw)
In-Reply-To: <1474987578-6044-1-git-send-email-boris.ostrovsky@oracle.com>
On Tue, Sep 27, 2016 at 10:46:18AM -0400, Boris Ostrovsky wrote:
> Some code (specifically, introduced by commit 801d469ad ("[HVM] ACPI
> support patch 3 of 4: ACPI _PRT table.")) has only been licensed under
> GPLv2. We want to prevent this code from showing up in non-GPL
> binaries which might become possible after we make ACPI builder code
> available to users other than hvmloader.
>
> There are two pieces that we need to be careful about:
> (1) A small chunk of code in dsdt.asl that implements _PIC method
> (2) A chunk of ASL generator in mk_dsdt.c that describes with PCI
> interrupt routing.
>
> This code will now be generated by a GPL-only script which will be
> invoked only when ACPI builder's Makefile is called with GPL variable
> set.
>
> We also strip license header from generated ASL files to prevent
> inadverent use of those files with incorrect license.
>
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
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next prev parent reply other threads:[~2016-09-27 15:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 14:46 [PATCH v7] acpi: Prevent GPL-only code from seeping into non-GPL binaries Boris Ostrovsky
2016-09-27 15:39 ` Wei Liu [this message]
2016-09-28 10:38 ` Jan Beulich
2016-09-28 12:53 ` Boris Ostrovsky
2016-09-28 12:53 ` Wei Liu
2016-09-28 13:07 ` Boris Ostrovsky
2016-09-28 13:50 ` Wei Liu
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