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([2001:b07:6468:f312:c6d:4079:b74c:e329]) by smtp.gmail.com with ESMTPSA id z4sm26649098wma.2.2020.01.07.04.23.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Jan 2020 04:23:19 -0800 (PST) Subject: Re: Priority of -accel (was: [PATCH] tests/qemu-iotests: Update tests to recent desugarized -accel option) To: Thomas Huth , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= References: <20200106130951.29873-1-philmd@redhat.com> <12334054-4ae7-e580-9727-2d322bfa2bda@redhat.com> <58eb34db-7d32-8b0e-d9ef-98648209486b@redhat.com> From: Paolo Bonzini Message-ID: <656169fc-1abe-b521-20a3-e7041739b914@redhat.com> Date: Tue, 7 Jan 2020 13:23:18 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <58eb34db-7d32-8b0e-d9ef-98648209486b@redhat.com> Content-Language: en-US X-MC-Unique: oBnXVCRRNzWwU69HLpNjAA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 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 , "Daniel P. Berrange" , qemu-block@nongnu.org, Markus Armbruster , qemu-devel@nongnu.org, Wainer dos Santos Moschetta , Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 07/01/20 13:18, Thomas Huth wrote: > I don't think we need a separate priority parameter here. But IMHO it's > really rather common practice to prioritize the last option. So while > it might be more "self-explanatory" to a CLI newbie if the first > occurrence got the highest priority, it might be rather confusing > instead for a CLI veteran...? Prioritising the last certainly makes sense for a choose-one-only option, but I'm not sure it's the same for a choose-best option. After all it was -machine accel=kvm:tcg, not -machine accel=tcg:kvm... Paolo > What do others on the list here think about this?