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[2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id fs1-20020a170907600100b00a2895257222si1257612ejc.194.2024.01.04.01.39.15 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jan 2024 01:39:15 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-16453-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20230601 header.b=wp+avoIG; spf=pass (google.com: domain of linux-kernel+bounces-16453-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-16453-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id CFD2D1F249D9 for ; Thu, 4 Jan 2024 09:39:14 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E62CE208CE; Thu, 4 Jan 2024 09:39:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="wp+avoIG" X-Original-To: linux-kernel@vger.kernel.org Received: from mail-vk1-f178.google.com (mail-vk1-f178.google.com [209.85.221.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D4889208B4 for ; Thu, 4 Jan 2024 09:39:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Received: by mail-vk1-f178.google.com with SMTP id 71dfb90a1353d-4b72c944019so101777e0c.3 for ; Thu, 04 Jan 2024 01:39:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1704361142; x=1704965942; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=DZeiLk6oF+6RO9eHA9R6LEyIeFZ5frTJ0yAyDVtKePE=; b=wp+avoIGIIsl6Hu+T9hUxKfrlFGt30bQ72x2L2b9mSc0r34oWBIYr7XGChgEGbTokn 2qwnge9dHx+YnF5CIFvL5Sz1b2mGv69h7vjdiAviVaexkvCoN43CPytO0qOaxLApApp8 qGVZOMZQsQ1yuE3FKJlch4IFQ5r1UHjKYXoYjbEm+wvXhjOpriKUxIAcbVSeHEKALhNC USLlu20dpCLvpV6256zYc1XFN8qvQ9IjV91kWMj5BbOVWa89EotTOBpmg4p56i5oBWdh tOXQa9hgDZlRtzCfMpjjn4LOA4jk/avPqZw93auzbuHtHf/bn6PoR6UaKFwbT65J9loG okSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704361142; x=1704965942; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DZeiLk6oF+6RO9eHA9R6LEyIeFZ5frTJ0yAyDVtKePE=; b=sqe3g+uGDqBgfzmsQ8leLtCzq4FN6LS/3oPzJrtLtF8p8xHLWXKiJ3AY0x+uR5H+Nl 3kl3y/k5vctOD22Yot1CHqSiXS+cA1W/q/u0tVRjPAPflTmU9rw5pKRuQKv+A17M/hV4 o9AVXhS2Kw6yRe7H8Q9+NzffA2W6/G3WLHBnqbQrPa9Fy0oYpC4bLJUvvVLKtKZUl0Ww 0rEB99O8RO3x6V7foCOP1t1UdDzwBdiAVJzXN56VYJ9cJiuBILE8pGMTFkg8kLG74b2C L26YyYNBdYGebmGCkWuKEkCmmixWeTkM2VFYoe20RVNxpxSI/bCX/pMcwFr/ZPeeSFfF Td2w== X-Gm-Message-State: AOJu0YyihztBiyG+JpiYhKjD+KzHrYYl1kDiLLha3kXcraifemtoF1Ys GXlDsMmdxN2+UL1hYRACKittioHo8HeaoE+VLDOf7pvbyc6Y X-Received: by 2002:a1f:7381:0:b0:4b6:c815:bedd with SMTP id o123-20020a1f7381000000b004b6c815beddmr244104vkc.18.1704361142581; Thu, 04 Jan 2024 01:39:02 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20231215194828.2611213-1-mmaurer@google.com> In-Reply-To: <20231215194828.2611213-1-mmaurer@google.com> From: Alice Ryhl Date: Thu, 4 Jan 2024 10:38:51 +0100 Message-ID: Subject: Re: [PATCH] x86: rust: Disable entry padding with Rust To: Matthew Maurer Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Miguel Ojeda , Alex Gaynor , Wedson Almeida Filho , "H. Peter Anvin" , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Dec 15, 2023 at 8:48=E2=80=AFPM Matthew Maurer = wrote: > > rustc-1.73.0 used by Linux does not support entry padding. Mark entry > padding support as explicitly incompatible with Rust. > > Signed-off-by: Matthew Maurer Reviewed-by: Alice Ryhl