From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) (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 563342F4A05 for ; Fri, 9 Oct 2026 01:22:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791508925; cv=none; b=uHz05IAgnwct7nmSS+xCDb5o8cbGVQjYU4dKwfXecnNCvUWzWEyi2+NgWAlOyXZPzy1PH32K+vbyeaoO1fSnOtChAxJmSyitYGkF2DG97X6Idkr1g9nPpMBsU1HgxrkTn7AXav2cxxCF+DljQMmKxby+26krGUkSRiwhNZxYtHg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791508925; c=relaxed/simple; bh=/giPkOM8S749gAdpJ+SHhYNMnuvXU63VwSMR0eGe8mY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ndp5yeqb7Yht/H7eS0uYgqt1EDapE417qhbpw67qcgtKNkRalaM+cg88IlvPnTxowyoEeBDFrqHMylwBQxuPQgy/TBMdCfgJUQyND0b0+rjIhLtE9Mqi8H5xWNRciNQLMQCtZEZY7lhH9iZLHDq+pTs38s/RtP0HggvMHXU0rns= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=neyRZ/K8; arc=none smtp.client-ip=209.85.128.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="neyRZ/K8" Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-4a01933b584so32757025e9.0 for ; Thu, 08 Oct 2026 18:22:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1791508922; x=1792113722; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=K9buXjJGBYbtpNLdIoiv5CbTd8inVOpHvCQM0Gnu+os=; b=neyRZ/K8F/csSLhtW6yuUUN1gWUdJjjW67ve13ma/j7gsK16yYdjZjM9xlroasCGU7 7OzAD4TQ9mauM28tTxHor2CNpbDaRR1eN2jSDP+cVueboMKlrR0vBjR/PkWo1NCMvugR sYAbomRpGTBmNDVOx1hzcZbjHHe6J7DySlzvU6Pyl7yd63IihXNKmz4Hq48HKs4y5AaO w9VqOfSIBLIZLfFFdiN4/g4/POnxfAGQ/JnzyShixVprclONKPPcAYjkMnem6DfWC5No sq+a105hGng8+2C9c9BaPe4/Z6bDYSYsYJ6QbHJFTJ9M2CmW8if15DKamZcffJAApn8j c+Hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791508922; x=1792113722; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=K9buXjJGBYbtpNLdIoiv5CbTd8inVOpHvCQM0Gnu+os=; b=NLAPMo/ENRv7EyiZ7mcA606Wn/BPpIehjjSPKsK+bRKBBQBGXTCjXfuOv+vjqRtj3J xRkusTUD0sTGTzeFYdeO/7DxLM78xczpLT+mI8q3BJBRX3KUBOMTI0g+rU8P9BxfPoBI mxUKVthW6mNDamlNUe32v8kfTtzaX/yehzeQmhI7iV7YPhj2sEvjiZRc3484LPy6e4ei XxLF8yKqydeXlV9/taTGqzp4lfng6L0U434UPKVoXV+VLtf8EhM6xwZf/71HjDwkPsGi E9VOLt5l3fEViOadf69qOT5vWJ4Eot+2lz3DegrdXWpsXdvL5JyQ0JeH5g6/U9FuelM9 F/MA== X-Forwarded-Encrypted: i=1; AKwUvBzzN0mJvL0TbPVBx94sQ34bKQ413MQJNLogTDybqpRFDq1l1iCVPIVKz/20RQgE8T79ykJNc7WsVLE=@vger.kernel.org X-Gm-Message-State: AFuF++mvOUSn7J8l4zZNAQkmGGWnwrkBF9mOpkr9dCf1xVR8IhN43eDf PnL6iNJqU05tUfnmJHMY7VfSTzz3V5ONd6+b/a0IJ6vdFyqvuY8tEqXY X-Gm-Gg: AYBFou0Gipt+Pk3kfw0JI8k2k9ruR7jMCe9L9dSzrQMODCLt/G66CNJnMnjcafrxHbG GCXITIA40XQ+Kf3BVVeapE5VUW8kh8eD8fmOiqBdgEGoaoc0Ww/AA+bVAmIoHl8/fzqvfeZNHxT t8w3aSE5+cLTLf2bDvDbvd3a4nTX+PPU19WLe5sh3Anhaj6VjJQZse4tTFTOzKhTX6oJ7L/2juH rTjXNrxyCf3yzZZ9LxyWrEtZdW0aCslbxuItEHPS94srzslXlfFjdDiQf7DWpklwnyCBP/2obVt r3b6O+5InBv6xdyIZvQWoIfIBJjFSXkDNqQOsAiPn/uUKW1xyWfLkVsM8K6iDqBwziCLT3ATaNV FnqMSZxQVIpa4pl5vdlGYMSi3cLa4V9UJXSJGb3kc5GH1SdomvI4EGiuZ1VjH4Fw1dJfpC2Rwpg VpXg+ph/JA6aTL/FamuTSG+QT35qbh4sVrUKN57VjDeOPNuYriy5+/m3oCshPDtdZwXhYZ9Jns0 AFKwHix5Fk0x0/ua6MabpNBrr8sSQbnUtUYkHtWIjZ3y4jzxIpBgg6WwBjCSxwayKSAWLBRnf7h DRLB8za6pByv8xf7MPfFvQgLFgbp4U7lmBhPbb1DpdS3cxKIYrXRazgPGoRUV0jDOPKMrH60Hjr dt6DrLDz2y0vhqpMJkG1zz5CoUM0ozKW/ X-Received: by 2002:a05:600c:3e14:b0:49e:6c11:c4fc with SMTP id 5b1f17b1804b1-4a18e49316dmr3757845e9.7.1791508922467; Thu, 08 Oct 2026 18:22:02 -0700 (PDT) Received: from MacBook-Pro-von-Karl.localdomain (dynamic-2a02-3100-a128-aa01-297a-7094-853e-a20c.310.pool.telefonica.de. [2a02:3100:a128:aa01:297a:7094:853e:a20c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a18eb4485dsm1207925e9.2.2026.10.08.18.22.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2026 18:22:01 -0700 (PDT) Date: Fri, 9 Oct 2026 03:21:59 +0200 From: Karl Mehltretter To: Gary Guo Cc: Russell King , Miguel Ojeda , Boqun Feng , =?utf-8?B?QmrDtnJu?= Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , Onur =?utf-8?B?w5Z6a2Fu?= , Arnd Bergmann , Linus Walleij , Christian Schrefl , Bradley Morgan , "Paul E . McKenney" , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , linux-arm-kernel@lists.infradead.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 5/6] ARM: rust: Enable Rust support for ARMv4T Message-ID: References: <20261008053746.49631-1-kmehltretter@gmail.com> <20261008053746.49631-6-kmehltretter@gmail.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Oct 08, 2026 at 11:08:52AM +0100, Gary Guo wrote: > > +============= ================ ====================================================== > > Architecture Level of support Constraints > > -============= ================ ============================================== > > -``arm`` Maintained ARMv5TE, ARMv6K and ARMv7, Little Endian only. > > +============= ================ ====================================================== > > +``arm`` Maintained ARMv4T, ARMv5TE, ARMv6K and ARMv7, Little Endian only. > > Can we say "ARMv4T or above" or something similar? > Plain ARMv6 (CPU_V6, ARM1136r0) and ARMv7-M stay excluded, so "or above" alone would cover too much. It could be ARMv4T and above except plain ARMv6 and ARMv7-M, Little Endian only. That is longer than the list. I can change it if there is a preference for this form. Thanks, Karl