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From: Lars Kurth <lars.kurth@citrix.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Ian Jackson <Ian.Jackson@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>,
	Andrew Cooper <Andrew.Cooper3@citrix.com>,
	"julien.grall@arm.com" <julien.grall@arm.com>,
	"jbeulich@suse.com" <jbeulich@suse.com>,
	"zhaoshenglong@huawei.com" <zhaoshenglong@huawei.com>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [PATCH v4 02/21] acpi: Prevent GPL-only code from seeping into non-GPL binaries
Date: Tue, 20 Sep 2016 10:32:59 +0000	[thread overview]
Message-ID: <D406C476.2E0A3%lars.kurth@citrix.com> (raw)
In-Reply-To: <1474330779-10645-3-git-send-email-boris.ostrovsky@oracle.com>



On 20/09/2016 01:19, "Boris Ostrovsky" <boris.ostrovsky@oracle.com> 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 piece of code in dsdt.asl that implements _PIC method
>(2) A fragment of ASL generator in mk_dsdt.c that describes PCI
>    interrupt routing.
>
>The cleanest way to deal with this seems to be taking generatedi ASL
>chunk from (2), adding it to dsdt.asl and keeping dsdt.asl GPL-only.

...

>diff --git a/tools/firmware/hvmloader/acpi/gpl/COPYING
>b/tools/firmware/hvmloader/acpi/gpl/COPYING
>new file mode 100644
>index 0000000..8dfdf61
>--- /dev/null
>+++ b/tools/firmware/hvmloader/acpi/gpl/COPYING
>@@ -0,0 +1,5 @@
>+Unlike files in the directory above that are licensed under GNU Lesser
>+General Public License version 2.1, files here are licensed under GNU
>+General Public License version 2.
>+
>+A copy of this license can be obtained at <http://www.gnu.org/licenses/>

Add the following:

INBOUND LICENSE

Contributions to this directory are made under the LGPLv2.1 *only* as
described
in the COPYING file of the parent directory. As LGPLv2.1 is compatible
with the
GPLv2, the resulting file is GPLv2 when seen as a whole.

The intention of this inbound license, is to avoid having to ask
subsequent 
contributors to this directory for permission to change the license from
GPLv2
to LGPLv2.1, once we get permission from the remaining copyright holders
of 
this directory to change the license to LGPLv2.1.

Note: The only outstanding permission required to re-license this
directory to
LGPLv2.1 is from Lenovo.


Regards
Lars


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  parent reply	other threads:[~2016-09-20 10:32 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-20  0:19 [PATCH v4 00/21] Make ACPI builder available to components other than hvmloader Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 01/21] acpi: Extract acpi info description into a separate ASL file Boris Ostrovsky
2016-09-21 10:29   ` Jan Beulich
2016-09-21 13:21     ` Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 02/21] acpi: Prevent GPL-only code from seeping into non-GPL binaries Boris Ostrovsky
2016-09-20 10:14   ` Ian Jackson
2016-09-20 10:41     ` Lars Kurth
2016-09-20 14:07     ` Boris Ostrovsky
2016-09-20 14:19       ` Ian Jackson
2016-09-20 14:58         ` Boris Ostrovsky
2016-09-20 10:32   ` Lars Kurth [this message]
2016-09-21 10:39   ` Jan Beulich
2016-09-21 13:34     ` Boris Ostrovsky
2016-09-21 13:47       ` Jan Beulich
2016-09-20  0:19 ` [PATCH v4 03/21] acpi: Re-license ACPI builder files from GPLv2 to LGPLv2.1 Boris Ostrovsky
2016-09-20 10:17   ` Lars Kurth
2016-09-20  0:19 ` [PATCH v4 04/21] acpi/hvmloader: Collect processor and NUMA info in hvmloader Boris Ostrovsky
2016-09-21 10:42   ` Jan Beulich
2016-09-20  0:19 ` [PATCH v4 05/21] acpi/hvmloader: Set TIS header address " Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 06/21] acpi/hvmloader: Make providing IOAPIC in MADT optional Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 07/21] acpi/hvmloader: Build WAET optionally Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 08/21] acpi/hvmloader: Replace mem_alloc() and virt_to_phys() with memory ops Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 09/21] acpi/hvmloader: Translate all addresses when assigning addresses in ACPI tables Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 10/21] acpi/hvmloader: Link ACPI object files directly Boris Ostrovsky
2016-09-21 10:52   ` Jan Beulich
2016-09-21 11:29     ` Ian Jackson
2016-09-21 11:36       ` Jan Beulich
2016-09-21 11:38         ` Ian Jackson
2016-09-21 11:40           ` Jan Beulich
2016-09-21 13:45             ` Boris Ostrovsky
2016-09-21 15:05               ` Ian Jackson
2016-09-21 15:21                 ` Boris Ostrovsky
2016-09-21 15:25                   ` Ian Jackson
2016-09-21 21:03     ` Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 11/21] acpi/hvmloader: Include file/paths adjustments Boris Ostrovsky
2016-09-21 11:27   ` Jan Beulich
2016-09-20  0:19 ` [PATCH v4 12/21] acpi: Move ACPI code to tools/libacpi Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 13/21] x86: Allow LAPIC-only emulation_flags for HVM guests Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 14/21] libacpi: Build DSDT for PVH guests Boris Ostrovsky
2016-09-21 11:27   ` Jan Beulich
2016-09-20  0:19 ` [PATCH v4 15/21] acpi: Makefile should better tolerate interrupts Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 16/21] libxc/libxl: Allow multiple ACPI modules Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 17/21] libxl/acpi: Add ACPI e820 entry Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 18/21] libxl/pvhv2: Include APIC page in MMIO hole for PVHv2 guests Boris Ostrovsky
2016-09-20  0:19 ` [PATCH v4 19/21] ilibxl: Initialize domain build info before calling libxl__domain_make Boris Ostrovsky
2016-09-21 11:29   ` Jan Beulich
2016-09-20  0:19 ` [PATCH v4 20/21] libxl/acpi: Build ACPI tables for HVMlite guests Boris Ostrovsky
2016-09-21 11:33   ` Jan Beulich
2016-09-21 15:09     ` Boris Ostrovsky
2016-09-21 15:16       ` Jan Beulich
2016-09-21 15:34         ` Boris Ostrovsky
2016-09-21 16:02           ` Jan Beulich
2016-09-21 16:38             ` Boris Ostrovsky
2016-09-22  8:39               ` Jan Beulich
2016-09-22 10:53   ` Wei Liu
2016-09-22 15:57     ` Boris Ostrovsky
2016-09-22 15:57       ` Wei Liu
2016-09-20  0:19 ` [PATCH v4 21/21] libxc/xc_dom_core: Copy ACPI tables to guest space Boris Ostrovsky
2016-09-22 10:53   ` Wei Liu

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