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[222.224.160.75]) by smtp.gmail.com with ESMTPSA id q69sm5777108pjb.0.2019.08.30.14.45.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Aug 2019 14:45:14 -0700 (PDT) Date: Sat, 31 Aug 2019 06:45:12 +0900 From: Stafford Horne To: Christoph Hellwig Cc: 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: <20190830214512.GX24874@lianli.shorne-pla.net> References: <20190817073253.27819-1-hch@lst.de> <20190817073253.27819-6-hch@lst.de> <20190823135539.GC24874@lianli.shorne-pla.net> <20190830160705.GF26887@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190830160705.GF26887@lst.de> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On Fri, Aug 30, 2019 at 06:07:05PM +0200, Christoph Hellwig wrote: > 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. Sure, I will pick this up. -Stafford