Received: by 2002:a05:6358:11c7:b0:104:8066:f915 with SMTP id i7csp2849587rwl; Mon, 27 Mar 2023 06:13:15 -0700 (PDT) X-Google-Smtp-Source: AKy350abbs28Ca8MqeBwqEO66HuUQjT0MuurlpUaoYE87WGUx6epXoTkVssGd8AiBZVmBIsqcY65 X-Received: by 2002:a17:90b:1b46:b0:237:5834:294b with SMTP id nv6-20020a17090b1b4600b002375834294bmr12283573pjb.41.1679922795126; Mon, 27 Mar 2023 06:13:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1679922795; cv=none; d=google.com; s=arc-20160816; b=RbGpYzuiPL14d7Ye6VAOYLfCvemCvtnMfsmSgX9XiIMjzY3gUvj5NS8RFNZRf2quQe aeCvxLjN6J0C8/F5MKUQUdq5xYfXd4rs6CZxbKys6Kb9pBKTZcPK7QlltVb6oxpFBSqi Tx4ZT0ZNLuAi9MEv0odbWan1HJmzH1f2EGq8Q5yXfpLqWO26kG9I2OPRBhAQjWgIEI+B D61fmspxG8yUZkazn/2P0ezD8EvBNtvtexSpjjxHlQ3WS/ToO+xZQ3CDGvia1ZoTWmb0 P1Oo813G+7Tc6UxYBSc8TQ/OROgh4PMN0zcSuf4gR2OcgGUVlQWmlstoH+kEw2bRDeeC uamA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=FP/g5MMoh+bWH6/vaV4x7gdcx8r1AfO8OwzqUj0gats=; b=PmKFJObWcwFL95vGewZvVY1yuPfiEI8bhBcwdd3jVhr1xhcJFjNud+Tt6TpJq8iAT8 B4sxnO6CNj48t/fmxhMt7mdx9/7SizBP8Mqa7e4QjlWtEds6xPAKzIiqwdTI1Ws/W6wT g5DwNgojU+KmNMVRPofdVQadb6/qsVu0+jTgDxPXSoEQvYGhYMa4mzHHLCcMZd9DPcFq NkZt7+042Ghp2NrZiEnndq2+x/1n6xGvaVznOM/+O9M0UGyZF69hPtT+7xA5epsUiVzJ CgfQSSHws+XId8b8hp6Gn++BTv1lbxUC2z8mESkesAhZHfLiyUkrRndyVIPopMAHRWqy bvyA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail (test mode) header.i=@armlinux.org.uk header.s=pandora-2019 header.b=BYOMa7b7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=armlinux.org.uk Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id ck7-20020a17090afe0700b00233e8913e6bsi5957119pjb.173.2023.03.27.06.13.03; Mon, 27 Mar 2023 06:13:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=fail (test mode) header.i=@armlinux.org.uk header.s=pandora-2019 header.b=BYOMa7b7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=armlinux.org.uk Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232220AbjC0NLF (ORCPT + 99 others); Mon, 27 Mar 2023 09:11:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229610AbjC0NLD (ORCPT ); Mon, 27 Mar 2023 09:11:03 -0400 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D34BA270D; Mon, 27 Mar 2023 06:10:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=FP/g5MMoh+bWH6/vaV4x7gdcx8r1AfO8OwzqUj0gats=; b=BYOMa7b7myCi6QMrt+S21c5RGt YZDhEXdlYS9/d40xW81RY3VSFHod0WMESd9MiyZKORnxnEZFeVJJs7K9EQpCCJNgACyCDiWwXsPpF 2ncxKuwaEj+3S6ea0k5rIgw856TBVM7SFtMKupTw4OZBsMh//aO6uH7zbUx8Sbaq5V1oENeXmR4Vh loGRRUxL9sZTfR/yJHmBKGHA4OwzrrWY32nZcUlyLJv+oeCwO/EaBTazPTgD3adb6YTVyS8/5GbNt xTGhL00gRXzdrhq16LpLYea53LMoH2KCDQ7kcOIb5YUjAGGqvLHrMH1gd6RuV30JD6ZwdzzKEiLDp jETc+EDQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:50576) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pgmcV-0003kT-41; Mon, 27 Mar 2023 14:10:43 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1pgmcK-0005Rv-Ob; Mon, 27 Mar 2023 14:10:32 +0100 Date: Mon, 27 Mar 2023 14:10:32 +0100 From: "Russell King (Oracle)" To: Arnd Bergmann Cc: linux-kernel@vger.kernel.org, Arnd Bergmann , Vineet Gupta , Neil Armstrong , Linus Walleij , Catalin Marinas , Will Deacon , Guo Ren , Brian Cain , Geert Uytterhoeven , Michal Simek , Thomas Bogendoerfer , Dinh Nguyen , Stafford Horne , Helge Deller , Michael Ellerman , Christophe Leroy , Paul Walmsley , Palmer Dabbelt , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Max Filippov , Christoph Hellwig , Robin Murphy , Lad Prabhakar , Conor Dooley , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org Subject: Re: [PATCH 16/21] ARM: dma-mapping: bring back dmac_{clean,inv}_range Message-ID: References: <20230327121317.4081816-1-arnd@kernel.org> <20230327121317.4081816-17-arnd@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230327121317.4081816-17-arnd@kernel.org> Sender: Russell King (Oracle) X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 27, 2023 at 02:13:12PM +0200, Arnd Bergmann wrote: > From: Arnd Bergmann > > These were remove ages ago in commit 702b94bff3c5 ("ARM: dma-mapping: > remove dmac_clean_range and dmac_inv_range") in an effort to sanitize > the dma-mapping API. Really no, please no. Let's not go back to this, let's keep the buffer ownership model that came at around that time. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!