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Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: dropping 32-bit host support Content-Language: en-US To: Andrew Randrianasulu , Thomas Huth Cc: qemu-discuss@nongnu.org, QEMU Developers References: <632e7256-34f5-ca87-ff60-a5c11aa1dd7f@redhat.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=philmd@linaro.org; helo=mail-wr1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 16/3/23 11:22, Andrew Randrianasulu wrote: > чт, 16 мар. 2023 г., 12:17 Andrew Randrianasulu >: > чт, 16 мар. 2023 г., 11:31 Thomas Huth >: > On 16/03/2023 08.36, Philippe Mathieu-Daudé wrote: > > On 16/3/23 08:17, Andrew Randrianasulu wrote: > >> чт, 16 мар. 2023 г., 10:05 Philippe Mathieu-Daudé > > >> >>: > >>     On 16/3/23 01:57, Andrew Randrianasulu wrote: > >>      > Looking at https://wiki.qemu.org/ChangeLog/8.0 > > >>     > > >>      > > >>     >> > >>      > > >>      > === > >>      > System emulation on 32-bit x86 and ARM hosts has been > deprecated. > >>     The > >>      > QEMU project no longer considers 32-bit x86 and ARM > support for > >>     system > >>      > emulation to be an effective use of its limited > resources, and thus > >>      > intends to discontinue. > Still, pushing users into endless hw upgrade is no fun: > > https://hackaday.com/2023/02/28/repurposing-old-smartphones-when-reusing-makes-more-sense-than-recycling/ > > note e-waste and energy consumption > > This graph does not make me happy: > > https://ourworldindata.org/grapher/global-energy-substitution?time=earliest..2021 > > Note this paradox too > > https://en.m.wikipedia.org/wiki/Jevons_paradox > > >> [...] I also ran qemu-system-ppc on Huawei Matepad T8 (32 > bit Android, > >> too) for emulating old mac os 9. Yes, I can wait 10 min per > guest boot. > >> Fedora 36 armhf boots even slower on emulation! > > Yes, but for such scenarios, you can also use older versions of > QEMU, you > don't need the latest and greatest shiny QEMU version. Thomas answer still applies: if you can use QEMU v8.0.0 to emulate macOS 9 on your Huawei Matepad T8 with 32-bit Android, why worry about trying to use future QEMU versions?