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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 1FF42C47096 for ; Sun, 6 Jun 2021 14:42:11 +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 D44A061429 for ; Sun, 6 Jun 2021 14:42:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D44A061429 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+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.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=XvChLUpAVyF9mJP6O5rFxZdFnj9Yz0S18PfKAf81iDE=; b=J9CCMpxrl+F+T6 LLHxhA085p/5v4Ev9+rX+3MAjhGZ/q0iWswasPgEK3Bt3KqMA8/0QcOW6x2Lxb3scld1+j7QshvQp O7ECStnmDRO57AkIDQ55VUA3T7A9hf2ZOHMClg9e3BH3CjlCrYd+tUCe8c38Vq6XNM1nGc+JjhFhV 9hU+IiM9EEBIg3EiIFDYIBTkvd597j/0XI61e+hj1jmPcAR7+4o01lENEbEFoge0DnXRDMrAv6/ab /ADY2tAgbC0lQVyJ804uyBSdEwmYaH3jlHtUPFEaN7kJrXL5cSPhMAjGhz+fnMv9HXH2tFUngXxmy nJ2Czg/D/F/pZsZ47H6Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lptwI-000R1c-AW; Sun, 06 Jun 2021 14:39:46 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lptwF-000R0G-FA for linux-riscv@lists.infradead.org; Sun, 06 Jun 2021 14:39:44 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 774BC68AFE; Sun, 6 Jun 2021 16:39:41 +0200 (CEST) Date: Sun, 6 Jun 2021 16:39:41 +0200 From: Christoph Hellwig To: guoren@kernel.org Cc: anup.patel@wdc.com, palmerdabbelt@google.com, arnd@arndb.de, wens@csie.org, maxime@cerno.tech, drew@beagleboard.org, liush@allwinnertech.com, lazyparser@gmail.com, wefu@redhat.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-sunxi@lists.linux.dev, Guo Ren , Christoph Hellwig Subject: Re: [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes Message-ID: <20210606143941.GA6032@lst.de> References: <1622970249-50770-1-git-send-email-guoren@kernel.org> <1622970249-50770-10-git-send-email-guoren@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1622970249-50770-10-git-send-email-guoren@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210606_073943_675426_21A5E451 X-CRM114-Status: UNSURE ( 6.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org NAK, no SOC must ever mess with pagetable attributes. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv