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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 96C88C43603 for ; Thu, 19 Dec 2019 19:07:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66F3C222C2 for ; Thu, 19 Dec 2019 19:07:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="O7ALl0+h" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728005AbfLSTHa (ORCPT ); Thu, 19 Dec 2019 14:07:30 -0500 Received: from mail-qk1-f195.google.com ([209.85.222.195]:40880 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728492AbfLSTH1 (ORCPT ); Thu, 19 Dec 2019 14:07:27 -0500 Received: by mail-qk1-f195.google.com with SMTP id c17so5535479qkg.7 for ; Thu, 19 Dec 2019 11:07:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=3ynYYrABn/DKREDZtjdsPcjfmCyA8J/9/tPFn622uQo=; b=O7ALl0+hRrrF2Q0zXYiNWlS7hL3qlhl4QTULDe2UhU9JLUQ/5BW8Od/DNGCbAzJHPR YNNewkF0qx5fV7IIFjS/ATZHSnTM0jLszMPiTMRYAF7ZR9qAJre8MdudizxxG1l7d/wi nO+FcNbcKmdte/WC3CDuFB0tBP9a5lEbGdffMGba08RqzSpLC1683Bcfe8XTjfM9JmjB VADpkIcFjjQFIvn8EaQg5Q6Z/hV+GZxqCparfWtsfPqtvMp8lyoT+DMLYZhCdqqDMAoJ pBjPEkKAG0I+ePK1yMFaH/l3duN8yCOT9HkD2ervR6F+l0E9qbWCWZMSMsLyYVt06tsz j41A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=3ynYYrABn/DKREDZtjdsPcjfmCyA8J/9/tPFn622uQo=; b=BvkDfl1q8FtfbqdE+8VOVKBJ6U7OABm9ZsbzFwP+H0QPBDvTrUYTzBqLQNhwdzaMaq fTxHc92uY/Gj45ZKvfbu+R9OaIQSAn62tijYwcPJFNnlQ4r6wno2BpJoldT69JxZvMaE NkjpZzr0w+hfjuedfNYttLhvJPHYjqGqEPagFTRARQSIfOIwh8aeQjJhwXGzjbgQ8Gmt eNhUGyRnT7Ddkt7ECnrT18784kHoTgypC3sIdzOYerRgEtCmRfDzRczLc4wI6IuTESF5 5xs4b6HnBLjQyqjgIQJSY8QqvL/gNSuGYIMQK6wAqrRuSDGxhtOFlipx+uLoE9Fw4re9 ScJg== X-Gm-Message-State: APjAAAWeyzDpfrvSmsVz3/7mMVKKz3y9kU0xSerpw9kiFbvBD1PPQCrc 9MvFd2kVBCEu+xYZu8AmnoFpyg== X-Google-Smtp-Source: APXvYqy3oO+DYd+dQXJ2SxLbEhvbs+eqYSKc9jA0tEsRytUVkgFfrwO1b07U8uQ+X4ebuCBzbEjaww== X-Received: by 2002:a37:9f57:: with SMTP id i84mr9735230qke.29.1576782446678; Thu, 19 Dec 2019 11:07:26 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-68-57-212.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.68.57.212]) by smtp.gmail.com with ESMTPSA id h34sm2193693qtc.62.2019.12.19.11.07.26 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 19 Dec 2019 11:07:26 -0800 (PST) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1ii18v-0008Bt-JN; Thu, 19 Dec 2019 15:07:25 -0400 Date: Thu, 19 Dec 2019 15:07:25 -0400 From: Jason Gunthorpe To: Leon Romanovsky Cc: Doug Ledford , Leon Romanovsky , RDMA mailing list , Artemy Kovalyov , Aviad Yehezkel , Yishai Hadas Subject: Re: [PATCH rdma-rc 1/3] IB/mlx5: Unify ODP MR code paths to allow extra flexibility Message-ID: <20191219190725.GL17227@ziepe.ca> References: <20191219134646.413164-1-leon@kernel.org> <20191219134646.413164-2-leon@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191219134646.413164-2-leon@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Thu, Dec 19, 2019 at 03:46:44PM +0200, Leon Romanovsky wrote: > From: Artemy Kovalyov > > Building MR translation table in ODP case requires additional flexibility, > namely random access to DMA addresses. Make both direct and indirect ODP MR > use same code path, separated from non-ODP MR code path. > > Fixes: d2183c6f1958 ("RDMA/umem: Move page_shift from ib_umem to > ib_odp_umem") What does it fix? Jason