Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E21D7C678D4 for ; Fri, 3 Mar 2023 10:25:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229890AbjCCKZ4 (ORCPT ); Fri, 3 Mar 2023 05:25:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38694 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229864AbjCCKZw (ORCPT ); Fri, 3 Mar 2023 05:25:52 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF1871A973 for ; Fri, 3 Mar 2023 02:25:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677839104; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=u9+wnViAfgRGxceAvmgnjlQOz7O3uUoD7hSzCtJvw3Y=; b=HOWGtRaxmucPwUbKj4BU+Hdg2sJN6a4zjf589DXBa6HVD/epm/QIhjuVpCe604KByL+KOe trTBh67oukbr2jRvap9uR7k8yecUzZ3cpCnBH2K1RiHAH7fqiI6iwifx7avUi/lvhQbf8O ZMSabElTx6iiuX1yss3eebjAq1AVGKs= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-632-jYAjJAqMNjS4Sff43e3n6Q-1; Fri, 03 Mar 2023 05:24:58 -0500 X-MC-Unique: jYAjJAqMNjS4Sff43e3n6Q-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5FEE6800B23; Fri, 3 Mar 2023 10:24:58 +0000 (UTC) Received: from localhost (ovpn-13-150.pek2.redhat.com [10.72.13.150]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 59BE6C16900; Fri, 3 Mar 2023 10:24:56 +0000 (UTC) Date: Fri, 3 Mar 2023 18:24:50 +0800 From: Baoquan He To: Luis Chamberlain Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, arnd@arndb.de, geert@linux-m68k.org, hch@infradead.org Subject: Re: [PATCH v2 0/2] arch/*/io.h: remove ioremap_uc in some architectures Message-ID: References: <20230301102208.148490-1-bhe@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/02/23 at 11:57am, Luis Chamberlain wrote: > On Wed, Mar 01, 2023 at 06:22:06PM +0800, Baoquan He wrote: > > This patchset tries to remove ioremap_uc() in the current architectures > > except of x86 and ia64. They will use the default ioremap_uc definition > > in which returns NULL. > > > > If any arch sees a breakage caused by the default ioremap_uc(), it can > > provide a sepcific one for its own usage. > > Feel free to add: > > Reviewed-by: Luis Chamberlain Thanks for check. I made some changes according to comments, will repost. Please help review.