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Mon, 01 Dec 2025 23:47:40 -0800 (PST) X-Google-Smtp-Source: AGHT+IHEjue/uKltBmasT3UsCNePSvEOjTgh74Wqwen5w2FIDL2ghjp/F6RLeoy8BWszospbj8gKMw== X-Received: by 2002:a17:906:fd83:b0:b73:8e7d:4f87 with SMTP id a640c23a62f3a-b767184be2bmr4453486266b.45.1764661660255; Mon, 01 Dec 2025 23:47:40 -0800 (PST) Received: from [192.168.10.48] ([176.206.119.13]) by smtp.googlemail.com with ESMTPSA id a640c23a62f3a-b76f51c8393sm1448431466b.31.2025.12.01.23.47.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 01 Dec 2025 23:47:39 -0800 (PST) Message-ID: Date: Tue, 2 Dec 2025 08:47:37 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] qemu-options.hx: Replace deprecated -M example To: Thomas Huth , dave@treblig.org, qemu-trivial@nongnu.org, mjt@tls.msk.ru, laurent@vivier.eu Cc: jak@jak-linux.org, qemu-devel@nongnu.org References: <20251202005740.299524-1-dave@treblig.org> <95dd7914-8e58-42e7-9988-cd7822f17bca@redhat.com> Content-Language: en-US From: Paolo Bonzini Autocrypt: addr=pbonzini@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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 12/2/25 08:14, Thomas Huth wrote: > On 02/12/2025 01.57, dave@treblig.org wrote: >> From: "Dr. David Alan Gilbert" >> >> The -M option was deprecated by -machine in 2011 by 80f52a669 >> and isn't actually documented in the manpage, but is still used in >> one of the examples.  Replace it by -machine. >> -M still gets used all over the place in other docs, and I'm >> not sure I realised it was deprecated until Julian pointed out it >> wasn't actually documented. > > -M is not mentioned in docs/about/deprecated.rst, so no, it's not > officially deprecated. And I think it's a nice short hand feature for an > option that is used very often, so I also don't think that we should > ever remove it. Thus I think it would be better to simply add it back to > qemu-options.hx instead. Yes, its status as a synonym of -machine started only in 2015, in a commit that didn't even mention that effect: commit 364c3e6b8dd7912e01d19122d791b8c8f6df4f6c Author: Marcel Apfelbaum Date: Wed Jan 7 14:11:38 2015 +0200 vl.c: fix regression when reading machine type from config file After 'Machine as QOM' series the machine type input triggers the creation of the machine class. If the machine type is set in the configuration file, the machine class is not updated accordingly and remains the default. Fixed that by querying the machine options after the configuration file is loaded. Cc: qemu-stable@nongnu.org Reported-by: William Dauchy Signed-off-by: Marcel Apfelbaum Signed-off-by: Paolo Bonzini (I wonder who's the guy that committed it). But it was a good idea, and there's no need to change this. Paolo