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([2a01:e0a:466:71c0:8098:c6b2:68a9:51e5]) by smtp.gmail.com with ESMTPSA id h17sm16080838wrs.18.2020.01.13.08.14.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 Jan 2020 08:14:50 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.40.2.2.4\)) Subject: Re: Priority of -accel From: Christophe de Dinechin In-Reply-To: <871rs3zaih.fsf@dusky.pond.sub.org> Date: Mon, 13 Jan 2020 17:14:49 +0100 Message-Id: <752BE521-649F-418F-BD09-DDC7708F4FF2@redhat.com> References: <20200106130951.29873-1-philmd@redhat.com> <12334054-4ae7-e580-9727-2d322bfa2bda@redhat.com> <58eb34db-7d32-8b0e-d9ef-98648209486b@redhat.com> <656169fc-1abe-b521-20a3-e7041739b914@redhat.com> <20200107125451.GL3368802@redhat.com> <3241dff4-6223-404f-55d4-846991763046@redhat.com> <2ae2dee3-cd16-a247-971b-4b3482e596a5@redhat.com> <20200107142735.GC3368802@redhat.com> <871rs3zaih.fsf@dusky.pond.sub.org> To: Markus Armbruster X-Mailer: Apple Mail (2.3608.40.2.2.4) X-MC-Unique: 6COnVfXbP8CcESpH7J0pIw-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: Kevin Wolf , Thomas Huth , =?utf-8?B?IkRhbmllbCBQLiBCZXJyYW5nw6ki?= , qemu-block@nongnu.org, qemu-devel@nongnu.org, Wainer dos Santos Moschetta , Max Reitz , Paolo Bonzini , =?utf-8?Q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" > On 13 Jan 2020, at 15:39, Markus Armbruster wrote: >=20 > Thomas Huth writes: >>>>=20 >>>> 'any' is a russian roulette, you don't want it to return 'qtest' ;) >>>=20 >>> We could make it return "qtest" only on April 1st ;-P >>=20 >> ... or we finally dare to let QEMU chose the "best" accelerator by >> default if no "-accel" option has been specified... >=20 > Changing a default that has ceased to make sense a decade ago? Are you > out of your mind? >=20 > ;-P Well, it makes perfect sense, since we select kvm first on macOS and, I gue= ss, all non-Linux platforms ;-) % ./x86_64-softmmu/qemu-system-x86_64 =20 qemu-system-x86_64: invalid accelerator kvm qemu-system-x86_64: falling back to tcg (Fixing that knowing that CONFIG_KVM is poisoned in vl.c is left as an exercise for the reader) Christophe