From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0E2378BE0; Thu, 1 Aug 2024 08:04:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722499459; cv=none; b=Uh5+whMlHkIMQWvkZ5+NK2JagZ5mJAomXYNModeFDFVE/yd+xDu2UHvqKCC3gbsXBG3CcWqcloxsumX0qgpAweUZOuNG6tzRjCT6SrGz0NL4M3WytgQU81plPK/2/79DCLESPrFUnqhKWkIh99KWfgF+aiUaldpV74T1cpuQdPs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722499459; c=relaxed/simple; bh=mmv79naFxibF9Te2hX+j/d0ubjLkPOmqzoUx5PXhplo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=KuaGphV6exiLI89Y+jci3RPMsV1qmlfBwObclHclKk7iApJFc7jYKMbNN+4pRVqCG/8YiziTX+DGzjsF5AMxjOxHM/VY8C3sp6gsfheYgy7j+ruhdLHO4ML6pWBpHhGj7R0QBmTYBEpMKGdqWlhWr6sr7eeZ8zEzgH7vcjzHnHI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hCE0LAKE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hCE0LAKE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57F8BC4AF0A; Thu, 1 Aug 2024 08:04:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722499458; bh=mmv79naFxibF9Te2hX+j/d0ubjLkPOmqzoUx5PXhplo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=hCE0LAKEvabPVigEDzCpRsKMPYLSoWaYYT95fjHjDDmOYjowQvYg4X3bPQC7qZL50 Y8fEor74Y66ueoYppcKP71Ov17yVOow3um1RKRWx7ql7LRkfC8keAT8zpos541qg99 MWl5wrFH51ZIBkTbI0lhKqwgbbdCnaeNbu0Atq9zCxY+8RtD9umHnWQrEQHOaASV2D byzTDjosHvbNtfnOblZXg0+EaBoZmIHFtHaQiWbEGxTq0tMu4GIKcICHNQbXtlP32Z ClrFK1eCOYtqqUmHVS9F9OX1T2zMqS8ZXCet5NrMOMHnAOukgsxChkF2MueigyZSH5 Zt3R4VJMH9iOg== Message-ID: Date: Thu, 1 Aug 2024 10:04:06 +0200 Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC} arm architecture board/feature deprecation timeline To: Arnd Bergmann , linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Russell King , Linus Walleij , Richard Earnshaw , Richard Sandiford , Ramana Radhakrishnan , Nicolas Pitre , Mark Brown , Kristoffer Ericson , Robert Jarzmik , Aaro Koskinen , Janusz Krzysztofik , Tony Lindgren , linux-omap@vger.kernel.org, Nikita Shubin , linux-samsung-soc@vger.kernel.org, Andrew Lunn , Sebastian Hesselbarth , Gregory Clement , "Jeremy J. Peper" , debian-arm@lists.debian.org, Dmitry Torokhov , Alexandre Torgue References: <2831c5a6-cfbf-4fe0-b51c-0396e5b0aeb7@app.fastmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJgPO8PBQkUX63hAAoJEBuTQ307 QWKbBn8P+QFxwl7pDsAKR1InemMAmuykCHl+XgC0LDqrsWhAH5TYeTVXGSyDsuZjHvj+FRP+ gZaEIYSw2Yf0e91U9HXo3RYhEwSmxUQ4Fjhc9qAwGKVPQf6YuQ5yy6pzI8brcKmHHOGrB3tP /MODPt81M1zpograAC2WTDzkICfHKj8LpXp45PylD99J9q0Y+gb04CG5/wXs+1hJy/dz0tYy iua4nCuSRbxnSHKBS5vvjosWWjWQXsRKd+zzXp6kfRHHpzJkhRwF6ArXi4XnQ+REnoTfM5Fk VmVmSQ3yFKKePEzoIriT1b2sXO0g5QXOAvFqB65LZjXG9jGJoVG6ZJrUV1MVK8vamKoVbUEe 0NlLl/tX96HLowHHoKhxEsbFzGzKiFLh7hyboTpy2whdonkDxpnv/H8wE9M3VW/fPgnL2nPe xaBLqyHxy9hA9JrZvxg3IQ61x7rtBWBUQPmEaK0azW+l3ysiNpBhISkZrsW3ZUdknWu87nh6 eTB7mR7xBcVxnomxWwJI4B0wuMwCPdgbV6YDUKCuSgRMUEiVry10xd9KLypR9Vfyn1AhROrq AubRPVeJBf9zR5UW1trJNfwVt3XmbHX50HCcHdEdCKiT9O+FiEcahIaWh9lihvO0ci0TtVGZ MCEtaCE80Q3Ma9RdHYB3uVF930jwquplFLNF+IBCn5JRzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmA872oFCRRflLYACgkQG5NDfTtBYpvScw/9GrqBrVLuJoJ52qBBKUBDo4E+5fU1bjt0 Gv0nh/hNJuecuRY6aemU6HOPNc2t8QHMSvwbSF+Vp9ZkOvrM36yUOufctoqON+wXrliEY0J4 ksR89ZILRRAold9Mh0YDqEJc1HmuxYLJ7lnbLYH1oui8bLbMBM8S2Uo9RKqV2GROLi44enVt vdrDvo+CxKj2K+d4cleCNiz5qbTxPUW/cgkwG0lJc4I4sso7l4XMDKn95c7JtNsuzqKvhEVS oic5by3fbUnuI0cemeizF4QdtX2uQxrP7RwHFBd+YUia7zCcz0//rv6FZmAxWZGy5arNl6Vm lQqNo7/Poh8WWfRS+xegBxc6hBXahpyUKphAKYkah+m+I0QToCfnGKnPqyYIMDEHCS/RfqA5 t8F+O56+oyLBAeWX7XcmyM6TGeVfb+OZVMJnZzK0s2VYAuI0Rl87FBFYgULdgqKV7R7WHzwD uZwJCLykjad45hsWcOGk3OcaAGQS6NDlfhM6O9aYNwGL6tGt/6BkRikNOs7VDEa4/HlbaSJo 7FgndGw1kWmkeL6oQh7wBvYll2buKod4qYntmNKEicoHGU+x91Gcan8mCoqhJkbqrL7+nXG2 5Q/GS5M9RFWS+nYyJh+c3OcfKqVcZQNANItt7+ULzdNJuhvTRRdC3g9hmCEuNSr+CLMdnRBY fv0= In-Reply-To: <2831c5a6-cfbf-4fe0-b51c-0396e5b0aeb7@app.fastmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 31/07/2024 19:29, Arnd Bergmann wrote: > We removed a lot of the unused board files at the beginning of > 2023, and I'd like to plan ahead for other hardware and feature > support that can be removed after the next stable kernel > (linux-6.12). > > TL;DR: I think we can deprecate toolchain support for ARMv4 > (pre-thumb), iWMMXt, BE32 and OABI (-mabi=apcs-gnu) *if* that > helps gcc-15, as we'll likely not need those any more after > gcc-14 will be too old to build new kernels (ca. 2030). > > I hope we can keep reducing the number of non-DT board files a > lot further, but I still expect this to take several more years > before it is DT-only. Please reply here if you are using any > of them so we can spare them once more. All this (and what was below the quote) looks reasonable to me, including Samsung S3C64xx and keeping support for RPi 1 (I was using it till ~3 years ago). Best regards, Krzysztof