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Sat, 18 Sep 2021 13:01:37 -0700 (PDT) Received: from [192.168.1.11] ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id 26sm12126826pgx.72.2021.09.18.13.01.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 18 Sep 2021 13:01:36 -0700 (PDT) Subject: Re: Rust in Qemu BoF followup: Rust vs. qemu platform support To: David Gibson , =?UTF-8?Q?Marc-Andr=c3=a9_Lureau?= References: <87k0jfh88i.fsf@redhat.com> From: Richard Henderson Message-ID: Date: Sat, 18 Sep 2021 13:01:35 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x529.google.com X-Spam_score_int: -45 X-Spam_score: -4.6 X-Spam_bar: ---- X-Spam_report: (-4.6 / 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=-2.538, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Peter Maydell , Sergio Lopez , Cornelia Huck , QEMU , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , hreitz@redhat.com, Stefan Hajnoczi , Paolo Bonzini , =?UTF-8?Q?Alex_Benn=c3=a9e?= , Stefano Garzarella Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 9/17/21 4:03 AM, David Gibson wrote: >> For sparc 32, it was added to support Gentoo at that time which didn't >> switch to 64-bit yet (https://github.com/rust-lang/rust/pull/48297) >> >> For the past 2-3y, Gentoo sparc is now 64 bit. (like Debian apparently for >> a while) >> >> But apparently, by lack of CI it was downgraded to Tier-3. >> >> Is it reasonable to officially drop support for sparc 32 in QEMU >> too? > > As a qemu build arch I would say probably yes. We dropped host support for sparcv8 (true 32-bit) a long time ago. We only support sparcv9 in ilp32 (sparcv8plus) and lp64 (sparc64). I'd be happy top drop sparcv8plus as well, because I haven't been able to test it for something like 2-3 years. r~