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[201.27.97.88]) by smtp.gmail.com with ESMTPSA id g17-20020ab060d1000000b003690c3ce68asm9278475uam.10.2022.07.06.06.40.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Jul 2022 06:40:37 -0700 (PDT) Message-ID: <4d1a6e4a-bf90-74aa-6591-e53d59de0a43@gmail.com> Date: Wed, 6 Jul 2022 10:40:34 -0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH] target/ppc/cpu-models: Remove the "default" CPU alias Content-Language: en-US To: Thomas Huth , Peter Maydell Cc: =?UTF-8?Q?C=c3=a9dric_Le_Goater?= , qemu-devel@nongnu.org, David Gibson , Greg Kurz , qemu-ppc@nongnu.org References: <20220705151030.662140-1-thuth@redhat.com> <8c343308-2cfe-6e45-2843-f832d607c773@redhat.com> From: Daniel Henrique Barboza In-Reply-To: <8c343308-2cfe-6e45-2843-f832d607c773@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::e29; envelope-from=danielhb413@gmail.com; helo=mail-vs1-xe29.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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" On 7/6/22 03:31, Thomas Huth wrote: > On 05/07/2022 17.53, Peter Maydell wrote: >> On Tue, 5 Jul 2022 at 16:13, Thomas Huth wrote: >>> >>> QEMU emulates a *lot* of PowerPC-based machines - having a CPU >>> that is named "default" and cannot be used with most of those >>> machines sounds just wrong. Thus let's remove this old and confusing >>> alias now. >>> >>> Signed-off-by: Thomas Huth >>> --- >>>   target/ppc/cpu-models.c | 2 +- >>>   1 file changed, 1 insertion(+), 1 deletion(-) >> >> Do we need to document this in removed-features.rst ? > > Honestly, I don't think that anybody ever really used this in the past 15 years. It was likely used with the "prep" machine, but we removed that one a couple of years already. The only machine that is still using this class of PowerPC CPUs is its successor, the 40p machine, but it has a 604 by default anyway, and I've never seen anybody using "-cpu default" with that machine. So IMHO it's not necessary to document this - but if people here have a different feeling, then I can also respin the patch, just let me know. I'll queue this up as is, don't worry about it. You can send an extra patch for removed-features.rst if we really think it's needed. I don't mind the extra documentation, but NGL this is the first time I've ever heard of '-cpu default'. Thanks, Daniel > >  Thomas >