From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailrelay3-1.pub.mailoutpod3-cph3.one.com (mailrelay3-1.pub.mailoutpod3-cph3.one.com [46.30.211.242]) (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 6973D13E404 for ; Tue, 23 Apr 2024 18:02:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.30.211.242 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713895356; cv=none; b=AoxBh/BOmXYLemu1y2rAhq4UVCGxu5D3ei2xvLXSDhJoyv17YHmJsNaLxpu4n8hpmpXlrPe8uo4PlkKsQin7uWGA2utsynkxUplwSK0qtBnxTFDAWzuD6++fybMHYINEnPr18WsldzfzvnGIL9n+X2IrnuYnw4cT2mzXkMkoL6I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713895356; c=relaxed/simple; bh=mmtsBmibN1yGrAOOBOq7tt4DhIUx2MTlpkSj1eOKU5s=; h=Date:From:To:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oMypfB5gLAq/QHJYiy2r9qAqxY8JZqr6BzCFP0t/x/Fz1SyVJVnvq1/q1wtAbIcckrQYxCw8bSIIWKcZcF5M7lqpnKNJG/kQTb7ZXvDe3p48pl6e+0pv3svZzV2RV6W5+74hP4GEs2U66dUgNQ82hoOSiR5x77+E6QLPpwwtjh8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org; spf=none smtp.mailfrom=ravnborg.org; dkim=pass (2048-bit key) header.d=ravnborg.org header.i=@ravnborg.org header.b=tiXjiwul; dkim=permerror (0-bit key) header.d=ravnborg.org header.i=@ravnborg.org header.b=HfWeE/u/; arc=none smtp.client-ip=46.30.211.242 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ravnborg.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ravnborg.org header.i=@ravnborg.org header.b="tiXjiwul"; dkim=permerror (0-bit key) header.d=ravnborg.org header.i=@ravnborg.org header.b="HfWeE/u/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ravnborg.org; s=rsa1; h=in-reply-to:content-type:mime-version:references:message-id:subject:to:from: date:from; bh=QCtZv2hKR4TC2H8Xchi6BYje0EdwUJ959Ulh1BBi7BU=; b=tiXjiwulObS5EhcPzBhcVI2b7lyYjbhyrN+eScXsvRPf4CNWM0mzep8evt/KlX081DuECo1DQzvk1 wh1MmubDWKPpi1oCcXnnTeTwWGiaHZvyWX54QHWQETldd7n02Dy7XeAZxJXbF62UeR4Y8ovwmTG2h/ zR7q3kIBfD44p/kz90excP2SMKqNX3fsDfoQhA9jSaZsFcdlhVIn9hXhLQ0zTkmC0yJhb1xUrfO8nr 97Y/6MTQX2EPS+R3oWPQM8B+4lRwr4FvsPIelDz4z87plAov9qBeXcBLWVtOs9U2guU+NGPpN8TE/F JPgrGgj1BwmyI3XjPqR/8abBf7BSYHg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=ravnborg.org; s=ed1; h=in-reply-to:content-type:mime-version:references:message-id:subject:to:from: date:from; bh=QCtZv2hKR4TC2H8Xchi6BYje0EdwUJ959Ulh1BBi7BU=; b=HfWeE/u/gBKw47N8oqIKQ7L5OJBjREBgJDf8mNUmiG3dJJPOazjw4Bgsd5yuaEF2d3z7H8kD48Zbl QMi8vYgAQ== X-HalOne-ID: 9dd17742-019b-11ef-8cb9-5166eb5bc2d3 Received: from ravnborg.org (2-105-2-98-cable.dk.customer.tdc.net [2.105.2.98]) by mailrelay3.pub.mailoutpod3-cph3.one.com (Halon) with ESMTPSA id 9dd17742-019b-11ef-8cb9-5166eb5bc2d3; Tue, 23 Apr 2024 18:02:26 +0000 (UTC) Date: Tue, 23 Apr 2024 20:02:16 +0200 From: Sam Ravnborg To: "David S. Miller" , Arnd Bergmann , Andreas Larsson , Helge Deller , Randy Dunlap , John Paul Adrian Glaubitz , Mark Cave-Ayland , Kjetil Oftedal , Thomas Zimmermann , Alexander Viro , Greg Kroah-Hartman , Alan Stern , Jaroslav Kysela , Takashi Iwai , sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sound@vger.kernel.org Subject: Re: [PATCH v2 00/28] sparc32: sunset sun4m and sun4d Message-ID: <20240423180216.GA906720@ravnborg.org> References: <20240309-sunset-v2-0-f09912574d2c@ravnborg.org> Precedence: bulk X-Mailing-List: linux-kernel@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: <20240309-sunset-v2-0-f09912574d2c@ravnborg.org> Hi Andreas, On Sat, Mar 09, 2024 at 07:15:21PM +0100, Sam Ravnborg via B4 Relay wrote: > This is the second attempt to sunset sun4m and sun4d. > See [1] for the inital attempt. > > The sun4m and sun4d parts of the kernel have seen no real interest > for several years now. Last time a few people surfaced, but it was > either due to a personal project or for nostalgic reasons. > It is time to let go and drop the parts of sparc32 that in reality > are not in use. > > LEON from Frontgrade Gaisler is the only real user of sparc32, > and this patchset reduces sparc32 to what is required by LEON. > > The defconfig is first adapted to the one used by Gaisler. > Then the patches removes sun4m and sun4d specific > implementations such as small drivers, SMP support, IRQ suppor etc. > > Removing sun4m and sun4d support allowed removal of the run time > patching of the code as well as a lot of assembler code. > The result is a much cleaner assembler code that is easier to > understand and thus maintain and extend. > > Changes in v2: > - Rebased on top of Andreas' for-next branch > - Collected ack's > - Added patch to remove cpuid patching (Andreas) > - Run-time testing using qemu (Andreas, Mark Cave-Ayland) Please let me know if you expect me to rebase this on for-next. I have not yet tried if there are merge conflicts but can take a look in a some days if required. That is assuming you agree with the sunset of the sun platforms... Sam