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 EAC24C43331 for ; Mon, 11 Nov 2019 10:36:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5CA920856 for ; Mon, 11 Nov 2019 10:36:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726889AbfKKKgl (ORCPT ); Mon, 11 Nov 2019 05:36:41 -0500 Received: from mout.kundenserver.de ([212.227.126.134]:52971 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726768AbfKKKgl (ORCPT ); Mon, 11 Nov 2019 05:36:41 -0500 Received: from mail-qv1-f54.google.com ([209.85.219.54]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.129]) with ESMTPSA (Nemesis) id 1N1wdd-1hjnpO3MuP-012JBt for ; Mon, 11 Nov 2019 11:36:40 +0100 Received: by mail-qv1-f54.google.com with SMTP id x14so4663368qvu.0 for ; Mon, 11 Nov 2019 02:36:39 -0800 (PST) X-Gm-Message-State: APjAAAV9EZ536I13EMplKppg44NHBn6LCLyj/aTmjxnQwB8D8U6Y7WqK G5SGwBIWGh7QlrlwsIvO0tMGpYa5Xbz+LeKgkiY= 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:w1jGn7lHZkqiLgxhFnkWq+Jjl7ZmkYaHXTcmg5Rdnib/W0MyHf7 KEwCcsyqqxZMox2GxPeWWcJhvFY9cAOt12VFnRmuQpjjq6bfBme9w87tFHPrSMD+8Tn7yZE AakZtegx8I5kSgUzjiD/ufKNaVIW3mLGtyTi8VtztKLlX+EyaQ5xePBmPXe3NR8y2YJX5L+ /4x2s9TbSziNZFKorZBdA== X-UI-Out-Filterresults: notjunk:1;V03:K0:w5djahVRi2s=:352epw0sn0X7T4lZoZpU83 s4d7FGS7hOpznr+o0erkbQ1M6U+Fh2xziN2boGmurZboOKw2Td4T6Zt7FDKTZBGC6tykpeF8Q n+npsGxTEs+4nWDyvm/C3g2OYU6xh05bIl7WjT4gTob9JZVSATEDAz0XeO1Dyj5r2zqPs3KAh BMSLPP5jkqPd/klsiehmAPXLFFf99aB0iBkUFQw8qeC0qy4E2j4fpTRwOS36pWRnvA6Gl6SZ2 rlMyv/t6rRlf0QfQlhyJOQL9D9zx+rnzqu3OjjANDhEVYf6yDdTJ8A2K95+FAM9R020ir/+// brBMyHsa325J3rZyzhgnNPvUB8Nu9yZ/iDMjAexIqG3l5/dgr9tqL+EEHWW0Fwtr4qBtTchXr 5j79/Lvpg6CuYnm1rQwuyprXW16qK67wtMTpKb4aV9XH+qGx5DLO+2QdrEqIRUTwfOfszF5IL WZbHewRpEASYkSGpa8buIKU4oxSQY7GZLU9XrN3R2b9a4QuzaFxqau+chTNvj2+70ZSYzZFs9 0W+yb997HyB8iDB4LX0znGL0l9nMYz8OYTP9oGGoQ2qp1sLzUAeq+znsAOadlqhKJfNh4dpWe hM58FOQY5nOuznOj8IvyoslliEkBM8ueUbkNuARbJxZURep8P1QmMaebj3IkCqHibELuUN1G4 N57oXmgHCWJyng0QnEmoISK1aGBD7Vfqdi/iyr4ZXrfvUpVHsaThmEZ/4b2gXaIX2ilgoo/GU N3emVHO8J/u5Vo3sXTZpSzeGFAIfL348afJKDF9crP2yOVz6jRamS5Xe+GX81qTos3HpUrB44 XqPhYWoOfybizN67nrt178DALTIS29pe25Ad1LdxiNWC89PTtDklBYz4thxG9FL/CEgG89+uh vTDAUmSkzYnb9Lpk8gpw== Sender: linux-m68k-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-m68k@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