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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 0819AC3A59B for ; Fri, 30 Aug 2019 16:07:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DADC023427 for ; Fri, 30 Aug 2019 16:07:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728202AbfH3QHJ (ORCPT ); Fri, 30 Aug 2019 12:07:09 -0400 Received: from verein.lst.de ([213.95.11.211]:56912 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727884AbfH3QHJ (ORCPT ); Fri, 30 Aug 2019 12:07:09 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 5D5BB227A8A; Fri, 30 Aug 2019 18:07:05 +0200 (CEST) Date: Fri, 30 Aug 2019 18:07:05 +0200 From: Christoph Hellwig To: Stafford Horne Cc: Christoph Hellwig , Arnd Bergmann , Guo Ren , Michal Simek , Greentime Hu , Vincent Chen , Guan Xuetao , x86@kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-mtd@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 05/26] openrisc: map as uncached in ioremap Message-ID: <20190830160705.GF26887@lst.de> References: <20190817073253.27819-1-hch@lst.de> <20190817073253.27819-6-hch@lst.de> <20190823135539.GC24874@lianli.shorne-pla.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190823135539.GC24874@lianli.shorne-pla.net> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On Fri, Aug 23, 2019 at 10:55:39PM +0900, Stafford Horne wrote: > On Sat, Aug 17, 2019 at 09:32:32AM +0200, Christoph Hellwig wrote: > > Openrisc is the only architecture not mapping ioremap as uncached, > > which has been the default since the Linux 2.6.x days. Switch it > > over to implement uncached semantics by default. > > > > Signed-off-by: Christoph Hellwig > > --- > > arch/openrisc/include/asm/io.h | 20 +++----------------- > > arch/openrisc/include/asm/pgtable.h | 2 +- > > arch/openrisc/mm/ioremap.c | 8 ++++---- > > 3 files changed, 8 insertions(+), 22 deletions(-) > > Acked-by: Stafford Horne Can you send this one to Linus for 5.4? That would help with the possibility to remove ioremap_nocache after that.