From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f69.google.com (mail-it0-f69.google.com [209.85.214.69]) by kanga.kvack.org (Postfix) with ESMTP id D16A86B0005 for ; Thu, 15 Mar 2018 06:42:27 -0400 (EDT) Received: by mail-it0-f69.google.com with SMTP id o22-v6so5459595itc.9 for ; Thu, 15 Mar 2018 03:42:27 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id r66sor2197355ioe.43.2018.03.15.03.42.26 for (Google Transport Security); Thu, 15 Mar 2018 03:42:26 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <6c9d075c-d7a8-72a5-9b2d-af1feaa06c6c@suse.de> References: <20180314143529.1456168-1-arnd@arndb.de> <2929.1521106970@warthog.procyon.org.uk> <6c9d075c-d7a8-72a5-9b2d-af1feaa06c6c@suse.de> From: Arnd Bergmann Date: Thu, 15 Mar 2018 11:42:25 +0100 Message-ID: Subject: Re: [PATCH 00/16] remove eight obsolete architectures Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: Hannes Reinecke 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 On Thu, Mar 15, 2018 at 10:59 AM, Hannes Reinecke wrote: > On 03/15/2018 10:42 AM, David Howells wrote: >> Do we have anything left that still implements NOMMU? >> > RISC-V ? > (evil grin :-) Is anyone producing a chip that includes enough of the Privileged ISA spec to have things like system calls, but not the MMU parts? I thought at least initially the kernel only supports hardware that has a rather complete feature set. Arnd