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[209.132.180.67]) by mx.google.com with ESMTP id fx21si8567148ejb.254.2019.11.11.02.39.18; Mon, 11 Nov 2019 02:39:42 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726970AbfKKKgo (ORCPT + 99 others); Mon, 11 Nov 2019 05:36:44 -0500 Received: from mout.kundenserver.de ([212.227.126.133]:38207 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726887AbfKKKgn (ORCPT ); Mon, 11 Nov 2019 05:36:43 -0500 Received: from mail-qv1-f46.google.com ([209.85.219.46]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.129]) with ESMTPSA (Nemesis) id 1MqbI0-1i8CQi2iKu-00mc2H; Mon, 11 Nov 2019 11:36:40 +0100 Received: by mail-qv1-f46.google.com with SMTP id f12so4660079qvu.3; Mon, 11 Nov 2019 02:36:39 -0800 (PST) X-Gm-Message-State: APjAAAUT3Qdeiri2nf/a9hZxYA+s9YglrpYjjU1hn5ZWkyA7i5p8Vrcc QA30I7QFw7jV+rFcmPGwSBM33hztJ/+dGvx7o1E= X-Received: by 2002:a0c:a9cc:: with SMTP id c12mr4580319qvb.222.1573468598676; Mon, 11 Nov 2019 02:36:38 -0800 (PST) MIME-Version: 1.0 References: <20191029064834.23438-1-hch@lst.de> <20191029064834.23438-4-hch@lst.de> In-Reply-To: <20191029064834.23438-4-hch@lst.de> From: Arnd Bergmann Date: Mon, 11 Nov 2019 11:36:22 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 03/21] ia64: rename ioremap_nocache to ioremap_uc To: Christoph Hellwig Cc: Guo Ren , Michal Simek , Greentime Hu , Vincent Chen , Guan Xuetao , "the arch/x86 maintainers" , alpha , "open list:SYNOPSYS ARC ARCHITECTURE" , Linux ARM , "open list:QUALCOMM HEXAGON..." , linux-ia64@vger.kernel.org, linux-m68k , linux-mips@vger.kernel.org, "moderated list:NIOS2 ARCHITECTURE" , openrisc@lists.librecores.org, Parisc List , linux-riscv@lists.infradead.org, linux-s390 , Linux-sh list , sparclinux , linux-xtensa@linux-xtensa.org, linux-mtd , linux-arch , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:1JhgznTD+nxQakSYexEK5Pk7b21gJFc2WwU/VhlwbME8N3jGV/+ TpZ37rg3qW3B4NpO67un+1fSQwj7nJ9WZxTx4tTw9EKEbeJLwQT1TG9P/3xrMgCSPaMoGDW 4OmMhZWar6tNBwoASHsSKmwJI7CPx497+h8ii4N2nIjzGmy0KJ0TV9vHBlIGb31rRCksOx9 aTZ8Ir7FbCAiPNKD11llg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:Ine2h7iyM1A=:qlrnOzki59DM0rGyHbF8c+ 4c41xr+Pjp3dv6qx5neQvKwVeJxerBsQ4cZwqUg3qKbbDEFa2ZPC0yEa1cbl7oJWJAwRcsdz6 3MUPWCBNg96i3H6LWIf2LY64tTEzAwU6ta+wRDArNRsNPjb+cOcAHdO9J5cipKKooXSwfqh8z hdrlf+Webj14QrpswR0AwC+8hKtzWd3i0xF+aE+nK/v+b1TtFw3PWqR0yiKat86EI4zUEaq5S blnI1BhSm9FhHUQnRQYPCyh9wiNRLDsep8swNKAMT9kFtEYbcXHeA956UAKOL55rHOLQlxqd3 lAXOyepCNVYPFNUyMmMo6uXZePmp/F+60qeAs/Tm928lA24mSrrR1jN4Nq8m3JqUpjKhlZFaU fvOcUxdsAUUjwEiE4xSEhPoEtQb+DOGjhCuWsoZrvcZ1CjJd2pnmp6FLV3FPDrayCN2FUB0+D dmLJySIAVE94FRl52KFtqFt9/TBA0a2L4yS7XNw+74hbWZJzUFOsB1zH2ZnS90kPa5a1S22XM mkuCB+Ze2kLOtqiQGKJqc0RlyWnS+sMOkWAdvTX+Rk1hGH5fKf0QbR6Le5fYNxtQWuM0JMh+f By832HCI9AAhEwsUgCfxQCimkThZsEgsisrp/yb11zuIdHEeLX16avpzV0hyWrAt6yeKP7XrG yjSzxrZhvOP87R/igp1n2UpO7GVNOVggicvQugamDUOVh3NDT+rQXzKcV4LH3yIkPIKuSINHm GaoL/XXgPWkF56Qx6lsBsgXfh3dciBTkAIu4nPZV5+fqR9kZ2QN3jAM4eo2Ub3HntQ9Kbyv/a ZDdBgC236xAnxPORQfWGJIrWohqntO0L5vDv2H4PTweI1FuenAFOsrx0PeMpr05WJvpzkeNBM RntzRq/h+i22XaPj8kSJZuypgHi3M6gwdd2H+7uFpgi5116lXuTPt2gZhmC4RNHOAUMyt7F6w EKVOtQp2bdxVDZZvAy6BtKT5EprzcuH1RFRAxRb4YPU7spR+xJPQCgbGgWu5JDdYB+aa/+plM NJyOttaoY33T+C7Iqkgauu6DDMOdPDodJFayhYpF7V4oCFsaUB1Qh4zXbOtQenYMLA== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 29, 2019 at 7:48 AM Christoph Hellwig wrote: > > On ia64 ioremap_nocache fails if attributes don't match. Not other > 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 in a similar way as the ia64 > version of ioremap_nocache, in that it ignores the firmware tables. > Switch ia64 to override ioremap_uc instead. > > Signed-off-by: Christoph Hellwig Good idea, Reviewed-by: Arnd Bergmann