From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Date: Mon, 11 Nov 2019 10:36:22 +0000 Subject: Re: [PATCH 03/21] ia64: rename ioremap_nocache to ioremap_uc Message-Id: List-Id: References: <20191029064834.23438-1-hch@lst.de> <20191029064834.23438-4-hch@lst.de> In-Reply-To: <20191029064834.23438-4-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 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 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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no 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 8288CC43331 for ; Mon, 11 Nov 2019 10:36:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 61B1220856 for ; Mon, 11 Nov 2019 10:36:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726927AbfKKKgn (ORCPT ); Mon, 11 Nov 2019 05:36:43 -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-Google-Smtp-Source: APXvYqwG9UjDI7BT4/zArLXJROi41Jfl0ozvIqGD8Z6sQp9Psd5jWuuWMeGtnWBnULPRq767xF7AmE4x/PyrFGraS9U= 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-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-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 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 Message-ID: Subject: Re: [PATCH 03/21] ia64: rename ioremap_nocache to ioremap_uc Content-Type: text/plain; charset="UTF-8" Sender: linux-s390-owner@vger.kernel.org List-ID: 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" 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH 03/21] ia64: rename ioremap_nocache to ioremap_uc Date: Mon, 11 Nov 2019 11:36:22 +0100 Message-ID: References: <20191029064834.23438-1-hch@lst.de> <20191029064834.23438-4-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20191029064834.23438-4-hch@lst.de> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-arch.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 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 7F7E5C43331 for ; Mon, 11 Nov 2019 10:36:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 50BFD214E0 for ; Mon, 11 Nov 2019 10:36:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="r2UKjRtd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 50BFD214E0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hhvRdd1xLjf3zGAOqI0YY3YIYbEImd9E6reYWjm5J0k=; b=r2UKjRtdgWpOYF VknZK9dtuXFVjntsm72VYAZACNItMU4ndjOzYxYS8lJ9DdHBX0LIovp1dE7gsVdlhCy0xEHxlxoyc 8V8jb+I7/DhrM7E7GHBTYrgBBX5EsiVnghj7FKw+BPNu1Fq1dcKbUMczjdN8GVwyFRE2aKPDRYIGD n8GdbzqnmFqQMtuEcn2LtlbH4l0YVFaqIJ6VbK4uorgEbR56goGSopE57yNYUxq26eQHQ95DtC2yl Ph5K7289TaY5jAEIZSi47d0CT/roU2Jn9BKP61/dUuU4SeHtbSlDB8ctTbyBuIKGHuPiLGKLhTvOG Is23P3NfdjXg3JPSiGVA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iU746-0007FP-2z; Mon, 11 Nov 2019 10:36:58 +0000 Received: from mout.kundenserver.de ([212.227.126.187]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iU73r-0007Da-8g; Mon, 11 Nov 2019 10:36:45 +0000 Received: from mail-qv1-f49.google.com ([209.85.219.49]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.129]) with ESMTPSA (Nemesis) id 1MWRmF-1iNnXP0AYN-00XpAX; Mon, 11 Nov 2019 11:36:40 +0100 Received: by mail-qv1-f49.google.com with SMTP id cg2so4641828qvb.10; Mon, 11 Nov 2019 02:36:39 -0800 (PST) X-Gm-Message-State: APjAAAXu36BrpYql+w3vgiGP2nWyAxigBq+F9ZkFKXIoFn/ocoMEM6v4 7h5y26h57G81/0b894i6MnxyhCQhRU61ZM7MAxA= X-Google-Smtp-Source: APXvYqwG9UjDI7BT4/zArLXJROi41Jfl0ozvIqGD8Z6sQp9Psd5jWuuWMeGtnWBnULPRq767xF7AmE4x/PyrFGraS9U= 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 X-Provags-ID: V03:K1:Kw/w2SXZ9llr0PYVM5zwgWdveEKzv7xOcQoWhgQgBv6k1bp+rKH TkE+THeCYTVFmtTVIuKsogXQX8g6RB420RrRruUGz/yqPYGPgmEId71qaLX2+AYJZPVAHpE TwfbkiT2mNSU7m5Vi2nOaH022qnJJhLvFZi0/kK03opZvkYo5KKtnj8AX+K+XfrAhdE5NzU 7ezF5iP+SiinKpwoUJTgg== X-UI-Out-Filterresults: notjunk:1;V03:K0:nEUIB33ED7M=:IL7V/vQ9Udnq1tGSwHcFnr nsWsOUlfOS/W92OmQbeSQJqPxo/I2WZ5QtKN+lsxCyAxFW/nQ7FeGA1lPftBM/hg15rM5YmBG HIQfOXWVuRxH31FSpWDD1Ke9N/2ZfQozMCWVEPvM+GIUaWs2+Cd+8JY30vXtgKNQ1FtCGTrm+ bXYMQ+2qsK2b1G28NtbObeh6Wv99/sVZNLdcJKHLb34d2NFiPw8LHZUf5jPDlQw5mi6lLNhyo WWo+g7sp1VdO9QD0+cSR/gePMBmbBzLbOJYMv+LEq8X2QJTzpvVYOoX+y6T8cGL/NdIVCpNLw bUxBV5HRyudfrZpLBUDqzOzNj4pW4PoYzFGIdQXx4NuPUuF7HRoix3i/KsCBMLZqgC2NaVNIu dGyE15zj+QllF4l2CHWa5nr73W3ylHjHUOgCWVqk4gebYIC13cxkqAKctAYrYZ7kk3mk54VZg CLA91KZNOJvICCx9Cx9VrvgUVogXrXbkTWV3HRKkh4mLP+gNSVAl2hv8WJ/trrKpH1h3eD54R FtkiCEpgU8JjdIoW3jUSFgo0fmwjlqBIXYrLQQNXOr45ncPjnc+LZxHSn88R38lHYAP3vk7nu 8AKZPG3ClnPiiYZBHliCvYFHWHAzZ+vvFHAL/g54oLfY/Ayh3YLVXX3bIKWOrhSGYWJF1KBJt 0kk0tEyx2J5LmtEi/qRouU2OINgxfFRrvsS9m+RT1TrqroQItNI+qjsly4/VTTauV2WHzvr96 +5KKf558NWEuy62P7VUQ9T3HGudpaMYh7KbSeQSvIPBblGPQGGD9AntWXEt5ALOcLU4myCFrr KODzJBJV6cOZQwz4g1QHhAQFkOQFNSBTQp9/ykCGbDe0g1szPOJD/UARqwKKpqq3827exEInm xcLbeHXirdaLR7ClqWM1A+xQEH71uf1RWcr1V+uPZO3ZH+D3Iv3gX+mPT89vO2pLvhPucf8j+ YSgERX5x+KdRe+xn+pPNMdLD8mpF0scSVRsIbw4iaoQCKpAVgUC0W+OAUKtA6lbO1bJR4Q88v RaG60yX/f+SWEhugv65LHjC9MADrff8/ukUNlR3VhTgUVmDvo30reffwMCgKgijeAQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191111_023643_599916_A92917C0 X-CRM114-Status: UNSURE ( 9.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, Linux-sh list , "linux-kernel@vger.kernel.org" , Guo Ren , sparclinux , linux-riscv@lists.infradead.org, Vincent Chen , linux-arch , linux-s390 , "open list:QUALCOMM HEXAGON..." , the arch/x86 maintainers , "open list:SYNOPSYS ARC ARCHITECTURE" , linux-xtensa@linux-xtensa.org, linux-m68k , openrisc@lists.librecores.org, Greentime Hu , "moderated list:NIOS2 ARCHITECTURE" , Guan Xuetao , Linux ARM , Michal Simek , Parisc List , linux-mips@vger.kernel.org, alpha , linux-mtd Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 7DFC5C43331 for ; Mon, 11 Nov 2019 10:37:12 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4F08F20856 for ; Mon, 11 Nov 2019 10:37:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="h7Ncph6W" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F08F20856 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=om7uAXtHHFpZDE27p26tjue0Mf+8aTiR2uEKGcEl6JM=; b=h7Ncph6WHwEokr Zms+9cLo13oJKYB4e7EPEnWvZJudTHiynqcBI+Yi/uJ6Nk2+lXHUBLJaMYwWb6IY7dOHgOi7eG4Ir RssJyolyUT+nIczfgVeHCImaoKDlncyrggOsWoaS7oZjTI/VLpR9JVVMhzKO2x+/MoXxHjHyHyyu6 tQ7/suVoKJQcgsRowTDcphiZkbiE5nJTTJf927yPmIIQ/TiMbgc3sac++yuJ23m9/2FWC1kOr+0b3 Y3fKRtGK3v9luVE2ap5CuNwxJ9r5cJb0XDoj38Um5GBzb2EaU7jO0A+BsiUdwjRuBlF8mAD7GmzPg LRkCVLxIcyZ/t/TJoLxQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iU747-0007Gn-1m; Mon, 11 Nov 2019 10:36:59 +0000 Received: from mout.kundenserver.de ([212.227.126.187]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iU73r-0007Da-8g; Mon, 11 Nov 2019 10:36:45 +0000 Received: from mail-qv1-f49.google.com ([209.85.219.49]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.129]) with ESMTPSA (Nemesis) id 1MWRmF-1iNnXP0AYN-00XpAX; Mon, 11 Nov 2019 11:36:40 +0100 Received: by mail-qv1-f49.google.com with SMTP id cg2so4641828qvb.10; Mon, 11 Nov 2019 02:36:39 -0800 (PST) X-Gm-Message-State: APjAAAXu36BrpYql+w3vgiGP2nWyAxigBq+F9ZkFKXIoFn/ocoMEM6v4 7h5y26h57G81/0b894i6MnxyhCQhRU61ZM7MAxA= X-Google-Smtp-Source: APXvYqwG9UjDI7BT4/zArLXJROi41Jfl0ozvIqGD8Z6sQp9Psd5jWuuWMeGtnWBnULPRq767xF7AmE4x/PyrFGraS9U= 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 X-Provags-ID: V03:K1:Kw/w2SXZ9llr0PYVM5zwgWdveEKzv7xOcQoWhgQgBv6k1bp+rKH TkE+THeCYTVFmtTVIuKsogXQX8g6RB420RrRruUGz/yqPYGPgmEId71qaLX2+AYJZPVAHpE TwfbkiT2mNSU7m5Vi2nOaH022qnJJhLvFZi0/kK03opZvkYo5KKtnj8AX+K+XfrAhdE5NzU 7ezF5iP+SiinKpwoUJTgg== X-UI-Out-Filterresults: notjunk:1;V03:K0:nEUIB33ED7M=:IL7V/vQ9Udnq1tGSwHcFnr nsWsOUlfOS/W92OmQbeSQJqPxo/I2WZ5QtKN+lsxCyAxFW/nQ7FeGA1lPftBM/hg15rM5YmBG HIQfOXWVuRxH31FSpWDD1Ke9N/2ZfQozMCWVEPvM+GIUaWs2+Cd+8JY30vXtgKNQ1FtCGTrm+ bXYMQ+2qsK2b1G28NtbObeh6Wv99/sVZNLdcJKHLb34d2NFiPw8LHZUf5jPDlQw5mi6lLNhyo WWo+g7sp1VdO9QD0+cSR/gePMBmbBzLbOJYMv+LEq8X2QJTzpvVYOoX+y6T8cGL/NdIVCpNLw bUxBV5HRyudfrZpLBUDqzOzNj4pW4PoYzFGIdQXx4NuPUuF7HRoix3i/KsCBMLZqgC2NaVNIu dGyE15zj+QllF4l2CHWa5nr73W3ylHjHUOgCWVqk4gebYIC13cxkqAKctAYrYZ7kk3mk54VZg CLA91KZNOJvICCx9Cx9VrvgUVogXrXbkTWV3HRKkh4mLP+gNSVAl2hv8WJ/trrKpH1h3eD54R FtkiCEpgU8JjdIoW3jUSFgo0fmwjlqBIXYrLQQNXOr45ncPjnc+LZxHSn88R38lHYAP3vk7nu 8AKZPG3ClnPiiYZBHliCvYFHWHAzZ+vvFHAL/g54oLfY/Ayh3YLVXX3bIKWOrhSGYWJF1KBJt 0kk0tEyx2J5LmtEi/qRouU2OINgxfFRrvsS9m+RT1TrqroQItNI+qjsly4/VTTauV2WHzvr96 +5KKf558NWEuy62P7VUQ9T3HGudpaMYh7KbSeQSvIPBblGPQGGD9AntWXEt5ALOcLU4myCFrr KODzJBJV6cOZQwz4g1QHhAQFkOQFNSBTQp9/ykCGbDe0g1szPOJD/UARqwKKpqq3827exEInm xcLbeHXirdaLR7ClqWM1A+xQEH71uf1RWcr1V+uPZO3ZH+D3Iv3gX+mPT89vO2pLvhPucf8j+ YSgERX5x+KdRe+xn+pPNMdLD8mpF0scSVRsIbw4iaoQCKpAVgUC0W+OAUKtA6lbO1bJR4Q88v RaG60yX/f+SWEhugv65LHjC9MADrff8/ukUNlR3VhTgUVmDvo30reffwMCgKgijeAQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191111_023643_599916_A92917C0 X-CRM114-Status: UNSURE ( 9.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, Linux-sh list , "linux-kernel@vger.kernel.org" , Guo Ren , sparclinux , linux-riscv@lists.infradead.org, Vincent Chen , linux-arch , linux-s390 , "open list:QUALCOMM HEXAGON..." , the arch/x86 maintainers , "open list:SYNOPSYS ARC ARCHITECTURE" , linux-xtensa@linux-xtensa.org, linux-m68k , openrisc@lists.librecores.org, Greentime Hu , "moderated list:NIOS2 ARCHITECTURE" , Guan Xuetao , Linux ARM , Michal Simek , Parisc List , linux-mips@vger.kernel.org, alpha , linux-mtd Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.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 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 9DC01C43331 for ; Mon, 11 Nov 2019 10:36:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6C45420856 for ; Mon, 11 Nov 2019 10:36:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="mBGkMoTU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6C45420856 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=B9MxJSa9LswWACr1EbUJGRynRN94tbIPuRVSH//p07Y=; b=mBGkMoTUgbR06t sESm7R0GVdaiWFLLMdnkzoBzKWRF18hsurNrslG/Yrcpvz+c3lut8kIlQeEEyUyQfnEHW8wAk5aQk wsy02FoY5m0Mk/wdEUxRJfz15HXcYw0OF83dC+VoltPxynwnH5k6FY0MvKQcZooEiCTVMZDj/IQrc vCQG34Dqil1a+M8daqB4D/iBgRCD6y2twIju76KBHH14UMbtxv2DoJjW/6lHng3u4dIfzyqSs67AV U8Soa3j+3/hLt/qFf1jeSa/BVKBLOR90OFczik5jNXjLhCuNk0Z8PXbwKMnxGnmKmge1ERbcjelXb iO2RuJvDITY9vUteAL3g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iU73u-0007EF-Fj; Mon, 11 Nov 2019 10:36:46 +0000 Received: from mout.kundenserver.de ([212.227.126.187]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iU73r-0007Da-8g; Mon, 11 Nov 2019 10:36:45 +0000 Received: from mail-qv1-f49.google.com ([209.85.219.49]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.129]) with ESMTPSA (Nemesis) id 1MWRmF-1iNnXP0AYN-00XpAX; Mon, 11 Nov 2019 11:36:40 +0100 Received: by mail-qv1-f49.google.com with SMTP id cg2so4641828qvb.10; Mon, 11 Nov 2019 02:36:39 -0800 (PST) X-Gm-Message-State: APjAAAXu36BrpYql+w3vgiGP2nWyAxigBq+F9ZkFKXIoFn/ocoMEM6v4 7h5y26h57G81/0b894i6MnxyhCQhRU61ZM7MAxA= X-Google-Smtp-Source: APXvYqwG9UjDI7BT4/zArLXJROi41Jfl0ozvIqGD8Z6sQp9Psd5jWuuWMeGtnWBnULPRq767xF7AmE4x/PyrFGraS9U= 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 X-Provags-ID: V03:K1:Kw/w2SXZ9llr0PYVM5zwgWdveEKzv7xOcQoWhgQgBv6k1bp+rKH TkE+THeCYTVFmtTVIuKsogXQX8g6RB420RrRruUGz/yqPYGPgmEId71qaLX2+AYJZPVAHpE TwfbkiT2mNSU7m5Vi2nOaH022qnJJhLvFZi0/kK03opZvkYo5KKtnj8AX+K+XfrAhdE5NzU 7ezF5iP+SiinKpwoUJTgg== X-UI-Out-Filterresults: notjunk:1;V03:K0:nEUIB33ED7M=:IL7V/vQ9Udnq1tGSwHcFnr nsWsOUlfOS/W92OmQbeSQJqPxo/I2WZ5QtKN+lsxCyAxFW/nQ7FeGA1lPftBM/hg15rM5YmBG HIQfOXWVuRxH31FSpWDD1Ke9N/2ZfQozMCWVEPvM+GIUaWs2+Cd+8JY30vXtgKNQ1FtCGTrm+ bXYMQ+2qsK2b1G28NtbObeh6Wv99/sVZNLdcJKHLb34d2NFiPw8LHZUf5jPDlQw5mi6lLNhyo WWo+g7sp1VdO9QD0+cSR/gePMBmbBzLbOJYMv+LEq8X2QJTzpvVYOoX+y6T8cGL/NdIVCpNLw bUxBV5HRyudfrZpLBUDqzOzNj4pW4PoYzFGIdQXx4NuPUuF7HRoix3i/KsCBMLZqgC2NaVNIu dGyE15zj+QllF4l2CHWa5nr73W3ylHjHUOgCWVqk4gebYIC13cxkqAKctAYrYZ7kk3mk54VZg CLA91KZNOJvICCx9Cx9VrvgUVogXrXbkTWV3HRKkh4mLP+gNSVAl2hv8WJ/trrKpH1h3eD54R FtkiCEpgU8JjdIoW3jUSFgo0fmwjlqBIXYrLQQNXOr45ncPjnc+LZxHSn88R38lHYAP3vk7nu 8AKZPG3ClnPiiYZBHliCvYFHWHAzZ+vvFHAL/g54oLfY/Ayh3YLVXX3bIKWOrhSGYWJF1KBJt 0kk0tEyx2J5LmtEi/qRouU2OINgxfFRrvsS9m+RT1TrqroQItNI+qjsly4/VTTauV2WHzvr96 +5KKf558NWEuy62P7VUQ9T3HGudpaMYh7KbSeQSvIPBblGPQGGD9AntWXEt5ALOcLU4myCFrr KODzJBJV6cOZQwz4g1QHhAQFkOQFNSBTQp9/ykCGbDe0g1szPOJD/UARqwKKpqq3827exEInm xcLbeHXirdaLR7ClqWM1A+xQEH71uf1RWcr1V+uPZO3ZH+D3Iv3gX+mPT89vO2pLvhPucf8j+ YSgERX5x+KdRe+xn+pPNMdLD8mpF0scSVRsIbw4iaoQCKpAVgUC0W+OAUKtA6lbO1bJR4Q88v RaG60yX/f+SWEhugv65LHjC9MADrff8/ukUNlR3VhTgUVmDvo30reffwMCgKgijeAQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191111_023643_599916_A92917C0 X-CRM114-Status: UNSURE ( 9.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, Linux-sh list , "linux-kernel@vger.kernel.org" , Guo Ren , sparclinux , linux-riscv@lists.infradead.org, Vincent Chen , linux-arch , linux-s390 , "open list:QUALCOMM HEXAGON..." , the arch/x86 maintainers , "open list:SYNOPSYS ARC ARCHITECTURE" , linux-xtensa@linux-xtensa.org, linux-m68k , openrisc@lists.librecores.org, Greentime Hu , "moderated list:NIOS2 ARCHITECTURE" , Guan Xuetao , Linux ARM , Michal Simek , Parisc List , linux-mips@vger.kernel.org, alpha , linux-mtd Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 43F05C43331 for ; Mon, 11 Nov 2019 10:40:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1343320856 for ; Mon, 11 Nov 2019 10:40:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Ki3FHh92" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1343320856 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=N175SaLL8D84njnR4z8GYgkoTBvOlhPnlhCrcrGIP70=; b=Ki3FHh92Z36yFT S9KeE5g1SIHI3pSSrhYa7l1D52VaalqfA5FSP2yG6ckByp2YU8q5Po3/w9384GEIn170u+x4qySgl RikH3lUzzgNcHskYEKDJtCwEa2csHtBFDMD9SuNoCDO581VOT9nJ4k/GRuKMS8qMVwSP3YIK7FlEp 4vMGKPtBHJY9ryX1hDGjG4FaKfjcLMiExyyhUFHHgMub7OMY0kHSg6XZB/QTnox+2a3luSLO4Y1YW E477Gz6HjBisWtZg4BJ/aOUjCBFAkXn0xPvnHwRjKBSWyVqJ77V8a6mqzEgcnqY8p5YjUAwsMCbkM n+ZUf0D2uEXYoEItomRA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iU77A-0002nj-86; Mon, 11 Nov 2019 10:40:08 +0000 Received: from mout.kundenserver.de ([212.227.126.187]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iU73r-0007Da-8g; Mon, 11 Nov 2019 10:36:45 +0000 Received: from mail-qv1-f49.google.com ([209.85.219.49]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.129]) with ESMTPSA (Nemesis) id 1MWRmF-1iNnXP0AYN-00XpAX; Mon, 11 Nov 2019 11:36:40 +0100 Received: by mail-qv1-f49.google.com with SMTP id cg2so4641828qvb.10; Mon, 11 Nov 2019 02:36:39 -0800 (PST) X-Gm-Message-State: APjAAAXu36BrpYql+w3vgiGP2nWyAxigBq+F9ZkFKXIoFn/ocoMEM6v4 7h5y26h57G81/0b894i6MnxyhCQhRU61ZM7MAxA= X-Google-Smtp-Source: APXvYqwG9UjDI7BT4/zArLXJROi41Jfl0ozvIqGD8Z6sQp9Psd5jWuuWMeGtnWBnULPRq767xF7AmE4x/PyrFGraS9U= 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 X-Provags-ID: V03:K1:Kw/w2SXZ9llr0PYVM5zwgWdveEKzv7xOcQoWhgQgBv6k1bp+rKH TkE+THeCYTVFmtTVIuKsogXQX8g6RB420RrRruUGz/yqPYGPgmEId71qaLX2+AYJZPVAHpE TwfbkiT2mNSU7m5Vi2nOaH022qnJJhLvFZi0/kK03opZvkYo5KKtnj8AX+K+XfrAhdE5NzU 7ezF5iP+SiinKpwoUJTgg== X-UI-Out-Filterresults: notjunk:1;V03:K0:nEUIB33ED7M=:IL7V/vQ9Udnq1tGSwHcFnr nsWsOUlfOS/W92OmQbeSQJqPxo/I2WZ5QtKN+lsxCyAxFW/nQ7FeGA1lPftBM/hg15rM5YmBG HIQfOXWVuRxH31FSpWDD1Ke9N/2ZfQozMCWVEPvM+GIUaWs2+Cd+8JY30vXtgKNQ1FtCGTrm+ bXYMQ+2qsK2b1G28NtbObeh6Wv99/sVZNLdcJKHLb34d2NFiPw8LHZUf5jPDlQw5mi6lLNhyo WWo+g7sp1VdO9QD0+cSR/gePMBmbBzLbOJYMv+LEq8X2QJTzpvVYOoX+y6T8cGL/NdIVCpNLw bUxBV5HRyudfrZpLBUDqzOzNj4pW4PoYzFGIdQXx4NuPUuF7HRoix3i/KsCBMLZqgC2NaVNIu dGyE15zj+QllF4l2CHWa5nr73W3ylHjHUOgCWVqk4gebYIC13cxkqAKctAYrYZ7kk3mk54VZg CLA91KZNOJvICCx9Cx9VrvgUVogXrXbkTWV3HRKkh4mLP+gNSVAl2hv8WJ/trrKpH1h3eD54R FtkiCEpgU8JjdIoW3jUSFgo0fmwjlqBIXYrLQQNXOr45ncPjnc+LZxHSn88R38lHYAP3vk7nu 8AKZPG3ClnPiiYZBHliCvYFHWHAzZ+vvFHAL/g54oLfY/Ayh3YLVXX3bIKWOrhSGYWJF1KBJt 0kk0tEyx2J5LmtEi/qRouU2OINgxfFRrvsS9m+RT1TrqroQItNI+qjsly4/VTTauV2WHzvr96 +5KKf558NWEuy62P7VUQ9T3HGudpaMYh7KbSeQSvIPBblGPQGGD9AntWXEt5ALOcLU4myCFrr KODzJBJV6cOZQwz4g1QHhAQFkOQFNSBTQp9/ykCGbDe0g1szPOJD/UARqwKKpqq3827exEInm xcLbeHXirdaLR7ClqWM1A+xQEH71uf1RWcr1V+uPZO3ZH+D3Iv3gX+mPT89vO2pLvhPucf8j+ YSgERX5x+KdRe+xn+pPNMdLD8mpF0scSVRsIbw4iaoQCKpAVgUC0W+OAUKtA6lbO1bJR4Q88v RaG60yX/f+SWEhugv65LHjC9MADrff8/ukUNlR3VhTgUVmDvo30reffwMCgKgijeAQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191111_023643_599916_A92917C0 X-CRM114-Status: UNSURE ( 9.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, Linux-sh list , "linux-kernel@vger.kernel.org" , Guo Ren , sparclinux , linux-riscv@lists.infradead.org, Vincent Chen , linux-arch , linux-s390 , "open list:QUALCOMM HEXAGON..." , the arch/x86 maintainers , "open list:SYNOPSYS ARC ARCHITECTURE" , linux-xtensa@linux-xtensa.org, linux-m68k , openrisc@lists.librecores.org, Greentime Hu , "moderated list:NIOS2 ARCHITECTURE" , Guan Xuetao , Linux ARM , Michal Simek , Parisc List , linux-mips@vger.kernel.org, alpha , linux-mtd Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Date: Mon, 11 Nov 2019 11:36:22 +0100 Subject: [OpenRISC] [PATCH 03/21] ia64: rename ioremap_nocache to ioremap_uc In-Reply-To: <20191029064834.23438-4-hch@lst.de> References: <20191029064834.23438-1-hch@lst.de> <20191029064834.23438-4-hch@lst.de> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.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