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 91C98C4CECE for ; Sat, 14 Mar 2020 01:13:08 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 68860206FA for ; Sat, 14 Mar 2020 01:13:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 68860206FA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 51EFA87B6C; Sat, 14 Mar 2020 01:13:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tLJ0-g54iCm4; Sat, 14 Mar 2020 01:13:07 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id D2C2F87A2A; Sat, 14 Mar 2020 01:13:07 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id B9D9BC18D3; Sat, 14 Mar 2020 01:13:07 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id D753EC0177 for ; Sat, 14 Mar 2020 01:13:06 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id C7CF6881B7 for ; Sat, 14 Mar 2020 01:13:06 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id j+9ES1Vk3pwu for ; Sat, 14 Mar 2020 01:13:06 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by whitealder.osuosl.org (Postfix) with ESMTPS id 181EF881B3 for ; Sat, 14 Mar 2020 01:13:06 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Mar 2020 18:13:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,550,1574150400"; d="scan'208";a="354494863" Received: from blu2-mobl3.ccr.corp.intel.com (HELO [10.254.208.137]) ([10.254.208.137]) by fmsmga001.fm.intel.com with ESMTP; 13 Mar 2020 18:13:02 -0700 Subject: Re: [PATCH 0/6] Replace private domain with per-group default To: Joerg Roedel References: <20200307062014.3288-1-baolu.lu@linux.intel.com> <20200310111503.GF3794@8bytes.org> <20200313133644.GO3794@8bytes.org> From: Lu Baolu Message-ID: <59e83b11-1483-5e18-6380-7934166268c4@linux.intel.com> Date: Sat, 14 Mar 2020 09:13:01 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200313133644.GO3794@8bytes.org> Content-Language: en-US Cc: kevin.tian@intel.com, ashok.raj@intel.com, linux-kernel@vger.kernel.org, Daniel Drake , iommu@lists.linux-foundation.org, Robin Murphy , Christoph Hellwig , Derrick Jonathan X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 2020/3/13 21:36, Joerg Roedel wrote: > On Wed, Mar 11, 2020 at 02:50:39PM +0800, Lu Baolu wrote: >> On 2020/3/10 19:15, Joerg Roedel wrote: >>> Hi Baolu, >>> >>> On Sat, Mar 07, 2020 at 02:20:08PM +0800, Lu Baolu wrote: >>>> Lu Baolu (5): >>>> iommu: Configure default domain with dev_def_domain_type >>>> iommu/vt-d: Don't force 32bit devices to uses DMA domain >>>> iommu/vt-d: Don't force PCI sub-hierarchy to use DMA domain >>>> iommu/vt-d: Add dev_def_domain_type callback >>>> iommu/vt-d: Apply per-device dma_ops >>>> >>>> Sai Praneeth Prakhya (1): >>>> iommu: Add dev_def_domain_type() callback in iommu_ops >>> >>> I like this patch-set, but I fear some regressions from patch >>> "iommu/vt-d: Don't force 32bit devices to uses DMA domain". Have you >>> tested this series on a couple of machines, ideally even older ones from >>> the first generation of VT-d hardware? >> >> The oldest hardware I have is Ivy Bridge. :-) Actually, The effect of >> using identity domain for 32-bit devices is the same as that of adding >> intel_iommu=off in the kernel parameter. Hence, if there is any >> regression, people should also find it with intel_iommu=off. >> intel_iommu=off support is added at the very beginning of VT-d driver. > > Okay, I will also do some testing on it, one of my VT-d machines is a > Haswell. Please send a new version with the recent comments addressed. Sure. Best regards, baolu _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu