From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FA55C4CEC7 for ; Sat, 14 Sep 2019 17:01:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4173D2067B for ; Sat, 14 Sep 2019 17:01:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725985AbfINRBE (ORCPT ); Sat, 14 Sep 2019 13:01:04 -0400 Received: from eddie.linux-mips.org ([148.251.95.138]:48214 "EHLO cvs.linux-mips.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725795AbfINRBE (ORCPT ); Sat, 14 Sep 2019 13:01:04 -0400 Received: (from localhost user: 'macro', uid#1010) by eddie.linux-mips.org with ESMTP id S23994604AbfINRBCPP927 (ORCPT ); Sat, 14 Sep 2019 19:01:02 +0200 Date: Sat, 14 Sep 2019 18:01:02 +0100 (BST) From: "Maciej W. Rozycki" To: Joshua Kinard cc: Paul Burton , "linux-mips@vger.kernel.org" , Paul Burton Subject: Re: [PATCH 4/4] MIPS: Remove unused R8000 CPU support In-Reply-To: <56180022-f5dc-d35d-8411-87f96412883d@gentoo.org> Message-ID: References: <20190722215705.20109-1-paul.burton@mips.com> <20190722215705.20109-4-paul.burton@mips.com> <56180022-f5dc-d35d-8411-87f96412883d@gentoo.org> User-Agent: Alpine 2.21 (LFD 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Sat, 27 Jul 2019, Joshua Kinard wrote: > > Our R8000 CPU support can only be included if a system selects > > CONFIG_SYS_HAS_CPU_R8000. No system does, making all R8000-related CPU > > support dead code. Remove it. > > > > Signed-off-by: Paul Burton > > [snip] > > I actually have one of these CPUs, and the SGI IP26 system to go with it. > Fascinating CPU design. More like a multi-chip set rather than just a > single CPU die. That said, no tears are shed over this code getting > excised, as it's half-complete, because only the R8K TLB code was written. > The cache code (c-r8k.c?) was never completed. I don't even know if the R8K > TLB code was ever tested on real hardware. A scanned copy of the CPU manual > is on the linux-mips FTP server somewhere, and I think I have a copy > somewhere as well, if anyone ever gets interested again. With all the old-timers I believe gone from the MIPS world I doubt this is ever going to happen. Maciej