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_MUTT 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 A0550C31E46 for ; Wed, 12 Jun 2019 06:24:04 +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 7F4CB2082C for ; Wed, 12 Jun 2019 06:24:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F4CB2082C 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 mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 47674158E; Wed, 12 Jun 2019 06:24:04 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 799831585 for ; Wed, 12 Jun 2019 06:22:35 +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 smtp1.linuxfoundation.org (Postfix) with ESMTPS id 2089679 for ; Wed, 12 Jun 2019 06:22:34 +0000 (UTC) X-Amp-Result: UNSCANNABLE 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; 11 Jun 2019 23:22:32 -0700 X-ExtLoop1: 1 Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.157]) by fmsmga001.fm.intel.com with SMTP; 11 Jun 2019 23:22:26 -0700 Received: by lahna (sSMTP sendmail emulation); Wed, 12 Jun 2019 09:22:25 +0300 Date: Wed, 12 Jun 2019 09:22:25 +0300 From: Mika Westerberg To: Lu Baolu Subject: Re: [PATCH v4 0/9] iommu: Bounce page for untrusted devices Message-ID: <20190612062225.GM2640@lahna.fi.intel.com> References: <20190603011620.31999-1-baolu.lu@linux.intel.com> <20190610154241.GS28796@char.us.oracle.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.11.4 (2019-03-13) Cc: Juergen Gross , kevin.tian@intel.com, Stefano Stabellini , ashok.raj@intel.com, Konrad Rzeszutek Wilk , alan.cox@intel.com, Jonathan Corbet , Robin Murphy , Steven Rostedt , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, pengfei.xu@intel.com, Ingo Molnar , jacob.jun.pan@intel.com, Greg Kroah-Hartman , Bjorn Helgaas , Boris Ostrovsky , David Woodhouse , Christoph Hellwig 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, Jun 12, 2019 at 11:00:06AM +0800, Lu Baolu wrote: > > What kind of devices did you test it with? > > Most test work was done by Xu Pengfei (cc'ed). He has run the code > on real platforms with various thunderbolt peripherals (usb, disk, > network, etc.). In addtition to that we are also in works to build a real thunderclap platform to verify it can only access the bounce buffer if the DMA transfer was to a memory not filling the whole page. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu