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([2001:b07:6468:f312:68f6:70ea:5bb4:f73]) by smtp.gmail.com with ESMTPSA id x8sm2484773wmc.5.2019.07.02.03.32.27 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Tue, 02 Jul 2019 03:32:28 -0700 (PDT) To: Markus Armbruster , Peter Maydell References: <20190627152011.18686-1-palmer@sifive.com> <20190627152011.18686-34-palmer@sifive.com> <5896113812cd914308e5b617377f8e8205224cfe.camel@wdc.com> <87a7dxqdl5.fsf@dusky.pond.sub.org> From: Paolo Bonzini Message-ID: Date: Tue, 2 Jul 2019 12:32:28 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <87a7dxqdl5.fsf@dusky.pond.sub.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.128.52 Subject: Re: [Qemu-devel] [PULL 33/34] roms: Add OpenSBI version 0.3 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "qemu-riscv@nongnu.org" , Jeff Cody , "palmer@sifive.com" , "qemu-devel@nongnu.org" , Alistair Francis , Stefan Hajnoczi , "bmeng.cn@gmail.com" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 02/07/19 06:12, Markus Armbruster wrote: >> Yeah, if we're not building the apache-2.0 parts then I think >> we're OK, and as you say there's the question of whether QEMU's >> GPL affects what we ship as mere bios blobs to run as guest >> code anyway. But it's sufficiently not a "really obviously ok" >> that I'd like a second opinion; cc'd some people who might have >> second opinions. > > You need an expert opinion. > > My non-expert opinion: we can't distribute anything that's not > compatible with GPLv2 Guest code is not part of QEMU. We don't say that SeaBIOS, SLOF, etc. are part of QEMU; it constitutes mere aggregation with the GPLv2 QEMU sources, so it _is_ possible to distribute APSL2 guest code with QEMU. IANAL, but I'm fairly sure about this. However I agree that LICENSE needs to be updated, something like this: diff --git a/LICENSE b/LICENSE index 0e0b4b9553..81b9b3572d 100644 --- a/LICENSE +++ b/LICENSE @@ -1,13 +1,18 @@ -The following points clarify the QEMU license: +The QEMU distribution includes both the QEMU emulator and +various firmware files. These are separate programs that are +distributed together for our users' convenience, and they have +separate license. -1) QEMU as a whole is released under the GNU General Public License, -version 2. +The following points clarify the license of the QEMU emulator: -2) Parts of QEMU have specific licenses which are compatible with the -GNU General Public License, version 2. Hence each source file contains -its own licensing information. Source files with no licensing information -are released under the GNU General Public License, version 2 or (at your -option) any later version. +1) The QEMU emulator as a whole is released under the GNU General +Public License, version 2. + +2) Parts of the QEMU emulator have specific licenses which are compatible +with the GNU General Public License, version 2. Hence each source file +contains its own licensing information. Source files with no licensing +information are released under the GNU General Public License, version +2 or (at your option) any later version. As of July 2013, contributions under version 2 of the GNU General Public License (and no later version) are only accepted for the following files Paolo