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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 76742C11D05 for ; Thu, 20 Feb 2020 16:11:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5390D20659 for ; Thu, 20 Feb 2020 16:11:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728664AbgBTQLw (ORCPT ); Thu, 20 Feb 2020 11:11:52 -0500 Received: from verein.lst.de ([213.95.11.211]:50174 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728493AbgBTQLv (ORCPT ); Thu, 20 Feb 2020 11:11:51 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id F1DC068C4E; Thu, 20 Feb 2020 17:11:46 +0100 (CET) Date: Thu, 20 Feb 2020 17:11:46 +0100 From: Christoph Hellwig To: Halil Pasic Cc: "Michael S. Tsirkin" , Jason Wang , Marek Szyprowski , Robin Murphy , Christoph Hellwig , linux-s390@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Christian Borntraeger , Janosch Frank , Viktor Mihajlovski , Cornelia Huck , Ram Pai , Thiago Jung Bauermann , David Gibson , "Lendacky, Thomas" , Michael Mueller Subject: Re: [PATCH 1/2] mm: move force_dma_unencrypted() to mem_encrypt.h Message-ID: <20200220161146.GA12709@lst.de> References: <20200220160606.53156-1-pasic@linux.ibm.com> <20200220160606.53156-2-pasic@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200220160606.53156-2-pasic@linux.ibm.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 20, 2020 at 05:06:05PM +0100, Halil Pasic wrote: > Currently force_dma_unencrypted() is only used by the direct > implementation of the DMA API, and thus resides in dma-direct.h. But > there is nothing dma-direct specific about it: if one was -- for > whatever reason -- to implement custom DMA ops that have to in the > encrypted/protected scenarios dma-direct currently deals with, one would > need exactly this kind of information. I really don't think it has business being anywhre else, and your completely bogus second patch just proves the point.