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=-2.2 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 D6D42CA9EB9 for ; Sat, 26 Oct 2019 05:30:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B21CF21655 for ; Sat, 26 Oct 2019 05:30:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726283AbfJZFa3 (ORCPT ); Sat, 26 Oct 2019 01:30:29 -0400 Received: from verein.lst.de ([213.95.11.211]:54239 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725987AbfJZFa3 (ORCPT ); Sat, 26 Oct 2019 01:30:29 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 6CC4B68B05; Sat, 26 Oct 2019 07:30:26 +0200 (CEST) Date: Sat, 26 Oct 2019 07:30:26 +0200 From: Christoph Hellwig To: "Isaac J. Manjarres" Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, joro@8bytes.org, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, will@kernel.org, pratikp@codeaurora.org, lmark@codeaurora.org Subject: Re: [PATCH] iommu/dma: Add support for DMA_ATTR_SYS_CACHE Message-ID: <20191026053026.GA14545@lst.de> References: <1572050616-6143-1-git-send-email-isaacm@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1572050616-6143-1-git-send-email-isaacm@codeaurora.org> 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 The definition makes very little sense. Any without a user in the same series it is a complete no-go anyway.