From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-4.4 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,T_DKIM_INVALID, T_RP_MATCHES_RCVD autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 8771A7E66E for ; Fri, 16 Mar 2018 04:50:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750847AbeCPEub (ORCPT ); Fri, 16 Mar 2018 00:50:31 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:37477 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750748AbeCPEu3 (ORCPT ); Fri, 16 Mar 2018 00:50:29 -0400 Received: by mail-pf0-f193.google.com with SMTP id h11so3744758pfn.4; Thu, 15 Mar 2018 21:50:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=ZXG8LVzkueKq1SonOB8yr+3uUuDvpTn4DAMWyUhXHBU=; b=iuaRYmtA+z61K1rC32NNSz5v5YxY76I/jCU0cY/c2pp0+qurA0L3ZkKskFIrPaZuFI FAoQJdfB2sQKkC/RRUpjSDb4SxAYx+ciAdllsargWNZE2XsRDWO+BLorugEz7o6oxhMZ 7jM7ILb74Poa9uP88CovtvRN2VedKL7XJydvhSAl754JZ9iTXnKZGTUBUvRkwOngXRwO jVLj1BTYUK8HXK40Ycymu1DQ+92uYpcG8ajFeBODzgU2Zfs/9MOZCiKSS84Z6e3YEejJ epkUryDu1r9jiUvIgCI0hvZJ2i3JVy9TuMJorfeit4CEUQD+Og2HAkXjhySkW2zhPmF2 FHqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=ZXG8LVzkueKq1SonOB8yr+3uUuDvpTn4DAMWyUhXHBU=; b=WgYnPh/THZ+6dz2VGrHMGuzDgJ2RRTYcIEFlfwC7pcNQel8Mq4BdicCOUabWkHrDCB 4HfcRfx0NkRgqJmpx+x/dcLrKJcn4+vNZNv3LQ9DmQnBH9gOO3AA4IT4LXQ6jEa7A8kX 9ZNigmE0gis9w6yjrPQc8nOIHVphzYDvf3puAVCAP+CJ6Q4jwVC0JzlHKiZ6Sn0fjpy6 2u70UH4HYDguq0o3HYxEHlpqJ/V2bMGDHsFyTSOY0mhUfTruaD8/fWmiUX+uGfAxuD/l FzR4WHYdXw/Tj07f0HZg3nprMfgDBqx7fwfuGdKSQ3wKjsxSfx8OUfbkxIBJYdo2KpnR iQIw== X-Gm-Message-State: AElRT7G5uxZIATUOxNbZDJixubmDmvLCssxOX/MM16hQ0+gIAdROxmGl sOvFFvdXOUgT4BPG1EI9bmI= X-Google-Smtp-Source: AG47ELszBUow7lgV6sAHIE9oAlYxOIDc0e6j/J7/lnECCjCcTf7gn494naIk/nRl9KUDIO06gq2Y3Q== X-Received: by 10.101.97.139 with SMTP id c11mr365964pgv.447.1521175828444; Thu, 15 Mar 2018 21:50:28 -0700 (PDT) Received: from localhost ([223.186.166.178]) by smtp.gmail.com with ESMTPSA id f23sm12238195pfn.132.2018.03.15.21.50.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Mar 2018 21:50:27 -0700 (PDT) Date: Fri, 16 Mar 2018 10:20:16 +0530 From: afzal mohammed To: Arnd Bergmann Cc: David Howells , linux-arch , Linux Kernel Mailing List , "open list:DOCUMENTATION" , linux-block , IDE-ML , "open list:HID CORE LAYER" , Networking , linux-wireless , linux-pwm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-spi , linux-usb@vger.kernel.org, dri-devel , linux-fbdev@vger.kernel.org, linux-watchdog@vger.kernel.org, Linux FS-devel Mailing List , Linux-MM Subject: Re: [PATCH 00/16] remove eight obsolete architectures Message-ID: <20180316045016.GA7697@afzalpc> References: <20180314143529.1456168-1-arnd@arndb.de> <2929.1521106970@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Hi, On Thu, Mar 15, 2018 at 10:56:48AM +0100, Arnd Bergmann wrote: > On Thu, Mar 15, 2018 at 10:42 AM, David Howells wrote: > > Do we have anything left that still implements NOMMU? Please don't kill !MMU. > Yes, plenty. > I've made an overview of the remaining architectures for my own reference[1]. > The remaining NOMMU architectures are: > > - arch/arm has ARMv7-M (Cortex-M microcontroller), which is actually > gaining traction ARMv7-R as well, also seems ARM is coming up with more !MMU's - v8-M, v8-R. In addition, though only of academic interest, ARM MMU capable platform's can run !MMU Linux. afzal > - arch/sh has an open-source J2 core that was added not that long ago, > it seems to > be the only SH compatible core that anyone is working on. > - arch/microblaze supports both MMU/NOMMU modes (most use an MMU) > - arch/m68k supports several NOMMU targets, both the coldfire SoCs and the > classic processors > - c6x has no MMU -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html