From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by sourceware.org (Postfix) with ESMTPS id 3D9193864830; Fri, 19 Apr 2024 05:31:48 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 3D9193864830 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=denx.de ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 3D9193864830 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1713504709; cv=none; b=diY0bEYav3H8OpcmBzOwkkl03L+ysFh/pwwkyBMgWFa2E9bjIHcV72dVtQw7DEXmznCb3H1VmgpJF6ezQWZUPHTAZdeVmfQ383p5LHOhFln8gL5JUe/wbEizv3udRj1ZtWzOGRW97T5mYlaPF32ygOYhCjQI2znQObEgewzTc+o= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1713504709; c=relaxed/simple; bh=+OGSwMqRvQX/eK1u/8sZsha2pATBcUeoT1vjCJJTR7Y=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=L/iuxTY1yiEowtGZOQDAJkIvxTQTSjk6BD+mpztprfLDtoNFtP3XdfedMKFzePsi3sIzYEg5NFrzHYQ7RngJkTfL7i4o76E7gCSXx/LIl/O0vYy94oVn5+pJc1fzbJgNY5Z3y+iCPjWOBMMRzgjrsVSS81tJZrt+zY0JbWLFsWQ= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from [127.0.0.1] (p578adb1c.dip0.t-ipconnect.de [87.138.219.28]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 83AC7885D7; Fri, 19 Apr 2024 07:31:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1713504706; bh=wV96HqWBdqwDbyueyRTSZ+AZX2Ljv6f2TS0EOlD8u7c=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=x9gYRolBVaLXV1oOR/cSD3fTeNE1KW4c+Ma/xYyunWngODJ6/qrc4iYhld0UEZMwR +pXHSSc17CoCLVgdgwqLXBV0kL9zo/f3ftTLnFRwLkkfDORYxa/xafHd5bRmuJQVSk R1JpW3FayI7yX6x3HCIM0JIMqlz3U5rwqFctocCcPhft3o9NwSnL43RdaIIUbxTPG9 ATld3D8vmC7LBCzG9ybVxSKVggVZ7v0J4JxPGDtHxduf7yq64AtKoUQUCxk92Za71Y c0BUbhGLpgPvUuSknVa9CAafuhh3zdCRwFMVIXZY2i/05twH33nCnJ5943olOfx0bo qETWf3B863SEg== Message-ID: Date: Fri, 19 Apr 2024 05:50:42 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Deprecation/removal of nios2 target support To: Arnd Bergmann , Joseph Myers , Sandra Loosemore Cc: gcc@gcc.gnu.org, binutils@sourceware.org, gdb-patches@sourceware.org, Xi Ruoyao , Chung-Lin Tang , andrew@reenigne.org, Yao Qi , Dinh Nguyen , qemu-devel@nongnu.org, newlib@sourceware.org, Andreas Oetken , Bernd Weiberg References: <55a1bc52-b435-463e-8be1-4b23e44393a0@baylibre.com> <320677a6-1c3a-477c-95fc-b74cb5a4c5c6@app.fastmail.com> Content-Language: en-US From: Marek Vasut In-Reply-To: <320677a6-1c3a-477c-95fc-b74cb5a4c5c6@app.fastmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 4/18/24 8:41 PM, Arnd Bergmann wrote: > On Thu, Apr 18, 2024, at 17:44, Joseph Myers wrote: >> On Wed, 17 Apr 2024, Sandra Loosemore wrote: >> >>> Therefore I'd like to mark Nios II as obsolete in GCC 14 now, and remove >>> support from all toolchain components after the release is made. I'm not sure >>> there is an established process for obsoleting/removing support in other >>> components; besides binutils, GDB, and GLIBC, there's QEMU, newlib/libgloss, >>> and the Linux kernel. But, we need to get the ball rolling somewhere. >> >> CC:ing Arnd Bergmann regarding the obsolescence in the Linux kernel. > > We have not yet marked nios2 as deprecated in the kernel, but that > is mostly because the implementation does not get in the way too > much and Dinh Nguyen is still around as a maintainer and merging > bugfixes. > > Almost all nios2 kernel changes I see in the past decade have been > done blindly without testing on hardware, either for treewide > changes, or by code inspection. The only notable exceptions I could > find are from Andreas Oetken and Bernd Weiberg at Siemens and > from Marek Vasut (all added to Cc in case they have something to add). I might still have the 10M50 board, but it wasn't powered for a very long time.