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,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 53DD3C33C8C for ; Wed, 13 Nov 2019 16:21:47 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 CB6E323787 for ; Wed, 13 Nov 2019 16:03:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB6E323787 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 81982E25; Wed, 13 Nov 2019 16:03:49 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 86773D99 for ; Wed, 13 Nov 2019 16:03:47 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 02935102 for ; Wed, 13 Nov 2019 16:03:46 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 830D068AFE; Wed, 13 Nov 2019 17:03:44 +0100 (CET) Date: Wed, 13 Nov 2019 17:03:44 +0100 From: Christoph Hellwig To: Jason Gunthorpe Subject: Re: remove DMA_ATTR_WRITE_BARRIER Message-ID: <20191113160344.GA12853@lst.de> References: <20191113073214.9514-1-hch@lst.de> <20191113154712.GF21728@mellanox.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191113154712.GF21728@mellanox.com> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: "linux-rdma@vger.kernel.org" , Doug Ledford , Christoph Hellwig , "iommu@lists.linux-foundation.org" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org On Wed, Nov 13, 2019 at 03:47:18PM +0000, Jason Gunthorpe wrote: > On Wed, Nov 13, 2019 at 08:32:12AM +0100, Christoph Hellwig wrote: > > There is no implementation of the DMA_ATTR_WRITE_BARRIER flag left > > now that the ia64 sn2 code has been removed. Drop the flag and > > the calling convention to set it in the RDMA code. > > This looks OK, do you want it to go through the RDMA tree? Either the dma-mapping or rdma tree is fine with me. I guess there are more potential conflicts with rdma changes, so tht might be the better choice. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu