From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D18B31D541; Sat, 14 Oct 2023 20:25:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FoZNg/9m" Received: from mail-io1-xd2f.google.com (mail-io1-xd2f.google.com [IPv6:2607:f8b0:4864:20::d2f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18680B7; Sat, 14 Oct 2023 13:25:27 -0700 (PDT) Received: by mail-io1-xd2f.google.com with SMTP id ca18e2360f4ac-79fe612beabso134480239f.3; Sat, 14 Oct 2023 13:25:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1697315126; x=1697919926; darn=vger.kernel.org; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=E5emPS0MjB2QN+kJ9u45m+WJbhux12t/sQVDicjCU/8=; b=FoZNg/9m2jGGR7OXBZEqZS1ob68oXOgCSQtor36JxX9h/EneI1/IbWE4TijMQHg6Te 2Jud98WUAs9qLmtXthB/MHwHVJoucMd2pK25NN2Cy0es07grH92gO5zE6V2qHn2IwrkW cz8myndtn4WBQ8XLNCM8cq8Sm1y2hPsnVyCKcjWVFRe5gsdyZU1Xdrn7UI9JzmovWd4D 3Hk0Y/cIZsyxd9GTrSTTH5H38/hjuxIVnrqI5o/MQ5wXqNqP3/b/I+Cid4jdLYZPmq6u 9xbShp9RSv/WivYv3Y7mfudDE+Y24IAycY/GfEaRcbBKf10zeIDi2bavi+w0FTIA3pEQ OUUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697315126; x=1697919926; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=E5emPS0MjB2QN+kJ9u45m+WJbhux12t/sQVDicjCU/8=; b=n0scYJyKs/VkRdzrlS5xlICJVxPM3jMzeS8CMkGUcWvWPV83//y7Uk7fDW4EdZd0tk dL9lIgQ+T+Ddda928raB4jPR3brPPULHUtR/+XXZy0do0lxk4El5xuHAzSU78BZ3i2nD DeBmQmN/mRpU6wGWjhvHS/XnXojafruPki7kvUNrJc1EIykdQ65IzNdRHZVPji8TYV8x nzQtCLp5U5RwS9PxhHvbSe51/wBJZmzEkWA3t3PMt5uF0/tdHAOgAmqbkwnPxPOgXabk yTJne+xk72g/DxYORgzX6WrS3QaR/w51r7QI7OIXnTY79n4gS27WYOFLOJX2UT9vBDed x0dQ== X-Gm-Message-State: AOJu0YyCusGpJf70DpLpNWTyd9KaNRZNlPJ4TCXyBlmdiTpUxSUeDFQY oIe8/3t1pTQ4FF20wiK8g8k= X-Google-Smtp-Source: AGHT+IHQ0wSofw+mCUxwMOTU704LFNtov6E/5kWHV55+P8O46TcQpo0iXIpmVZ9xJ+NCX1B/ckWz1g== X-Received: by 2002:a5d:9d10:0:b0:79f:c9ad:19ce with SMTP id j16-20020a5d9d10000000b0079fc9ad19cemr30998453ioj.15.1697315126209; Sat, 14 Oct 2023 13:25:26 -0700 (PDT) Received: from smtpclient.apple ([2601:647:4b00:6db0:ed49:22d9:e5d5:b7e4]) by smtp.gmail.com with ESMTPSA id x4-20020a170902ea8400b001c5076ae6absm5861510plb.126.2023.10.14.13.25.23 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 14 Oct 2023 13:25:25 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.200.91.1.1\)) Subject: Re: [PATCH v10 25/27] x86: enable initial Rust support From: comex In-Reply-To: <5D8CA5EF-F5B0-4911-85B8-A363D9344FA7@zytor.com> Date: Sat, 14 Oct 2023 13:25:12 -0700 Cc: Linus Torvalds , Ramon de C Valle , Peter Zijlstra , Kees Cook , Sami Tolvanen , Miguel Ojeda , Miguel Ojeda , Greg Kroah-Hartman , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, patches@lists.linux.dev, Jarkko Sakkinen , Alex Gaynor , Wedson Almeida Filho , David Gow , Boqun Feng , Gary Guo , =?utf-8?Q?Bj=C3=B6rn_Roy_Baron?= , Jonathan Corbet , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, linux-doc@vger.kernel.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <20220927131518.30000-1-ojeda@kernel.org> <20220927131518.30000-26-ojeda@kernel.org> <20231012104741.GN6307@noisy.programming.kicks-ass.net> <202310121130.256F581823@keescook> <20231013075005.GB12118@noisy.programming.kicks-ass.net> <5D8CA5EF-F5B0-4911-85B8-A363D9344FA7@zytor.com> To: "H. Peter Anvin" X-Mailer: Apple Mail (2.3774.200.91.1.1) X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net > On Oct 13, 2023, at 12:00=E2=80=AFPM, H. Peter Anvin = wrote: >=20 > Transparent unions have been standard C since C99. I don=E2=80=99t think that=E2=80=99s right. Certainly = __attribute__((transparent_union)) is not standard C; are you referring = to a different feature?