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([2a00:1fa0:4817:8b14:6cce:9848:7977:d7d5]) by smtp.gmail.com with ESMTPSA id b10sm1517289ljk.79.2019.08.17.09.01.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 17 Aug 2019 09:01:05 -0700 (PDT) Subject: Re: [PATCH 06/26] ia64: rename ioremap_nocache to ioremap_uc To: Christoph Hellwig , Arnd Bergmann , Guo Ren , Michal Simek , Greentime Hu , Vincent Chen , Guan Xuetao , x86@kernel.org Cc: 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 References: <20190817073253.27819-1-hch@lst.de> <20190817073253.27819-7-hch@lst.de> From: Sergei Shtylyov Message-ID: Date: Sat, 17 Aug 2019 19:00:48 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190817073253.27819-7-hch@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Hello! On 17.08.2019 10:32, Christoph Hellwig wrote: > On ia64 ioremap_nocache fails if attributs don't match. Not other Attributes. :-) > architectures does this, and we plan to get rid of ioremap_nocache. > So get rid of the special semantics and define ioremap_nocache in > terms of ioremap as no portable driver could rely on the behavior > anyway. > > However x86 implements ioremap_uc with a in a similar way as the ia64 "With a" not really needed? > version of ioremap_nocache, so implement that instead. > > Signed-off-by: Christoph Hellwig [...] MBR, Sergei