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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 71E3FC43381 for ; Sat, 30 Mar 2019 04:53:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 33F162173C for ; Sat, 30 Mar 2019 04:53:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KczmFX9P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726304AbfC3EtR (ORCPT ); Sat, 30 Mar 2019 00:49:17 -0400 Received: from mail-ot1-f43.google.com ([209.85.210.43]:36903 "EHLO mail-ot1-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725872AbfC3EtR (ORCPT ); Sat, 30 Mar 2019 00:49:17 -0400 Received: by mail-ot1-f43.google.com with SMTP id c16so4045083otn.4 for ; Fri, 29 Mar 2019 21:49:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=NDH5M1HR79nQl3W+HKG6wYCnLsxMYX+/zRRqVQVrfXM=; b=KczmFX9PhAWRLEmGUqXrkikbVfe2nz/S/J8NIURlkabHFaCOI0Yjp2BvyKFwtH3Jp/ 84XHzGMfUCvGfWLKflc1Wz0Ua7HVt8tGzYN81KDF2zQQGJroevGl5t4tPRTmQFSb4HKT kJ1UeHopxJ7nwrRt+PvSmvL9e3uJz/9h8DHcYLrMLHJuKzE04IGJwoTy6FYjOHgRUlZh F8t4DQb6/xBbXkF7wnnjDNLQvrPbN8+OLM4G/EJWmIv09mPDr8S8RtFqGs1mU4oIFRhS NrTAdfG1egzkjVhSSNS6lHKfnOLhNYWNptz6Ak5zxfxJ3BBDDak08ui95I2poe1mvtLI fZxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=NDH5M1HR79nQl3W+HKG6wYCnLsxMYX+/zRRqVQVrfXM=; b=LxKXGeFdzDsQRt+FLNXB3tKXFiTBln80wirPAMnFrAfgJO1L/vyu8V0ERQQBY18XX9 hGiPRbF9+EVlJL+AFpsK65SuPA0+vJmhWG6fQvB37qrnYNAAN5Ok2OVAA5QgLZFlcNQk 4wN2ajbA99byn366nk/3dTigo/O0kVbLuAOd7CNHNC/Ta11LilPEqtqiuzDVoIfFDlY9 9+nVSySoQXna0KQN7TRduNlt843XGceUpI76CPl0GmxfYQs2pm/ATd9Zk5n0IAMvOZta pEbFVb18H488QrV+SjIUaPgoABkFDebqWbDLIGt7HIi/eQJC40AI4TG6VM/hkHBUOyFP ClzQ== X-Gm-Message-State: APjAAAWe7z828fyxc3/f2FACKluBgO8B5u6YU2y40nO+mkEjy2WkVyuC G2k810sEBCGZhNDtI2CgzMpfpEve X-Google-Smtp-Source: APXvYqwkXvJm5McRk58CjtzUW8MVT9wofbvVukXZjd8jEM6lliX9onPNs7Slo14sFryN46sYPx60sg== X-Received: by 2002:a9d:7411:: with SMTP id n17mr3045002otk.205.1553921356067; Fri, 29 Mar 2019 21:49:16 -0700 (PDT) Received: from [192.168.0.2] ([98.156.228.54]) by smtp.gmail.com with ESMTPSA id i203sm1631752oih.13.2019.03.29.21.49.14 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 29 Mar 2019 21:49:15 -0700 (PDT) To: "ghook@amd.com?In-Reply-To=" <241612a5-b041-e419-a3bc-e2a2e6ef1687@amd.com>, joro@8bytes.org, jroedel@suse.de, linux-kernel@vger.kernel.org From: Stuart Hayes Subject: Re: [PATCH] iommu/amd: Reserve exclusion range in iova-domain Message-ID: <6311de4d-937c-6737-b97d-9849f767a3f9@gmail.com> Date: Fri, 29 Mar 2019 23:49:11 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Antivirus: Avast (VPS 190329-4, 03/29/2019), Outbound message X-Antivirus-Status: Clean Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tested on a Dell PowerEdge R7425 system on which this problem is easily reproducible. Tested-by: Stuart Hayes