Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755629AbaGDFoQ (ORCPT ); Fri, 4 Jul 2014 01:44:16 -0400 Received: from david.siemens.de ([192.35.17.14]:37768 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753856AbaGDFoO (ORCPT ); Fri, 4 Jul 2014 01:44:14 -0400 Message-ID: <53B63F2B.1050503@siemens.com> Date: Fri, 04 Jul 2014 07:44:11 +0200 From: Jan Kiszka User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Hu Yaohui , kvm , "linux-kernel@vger.kernel.org" , Le Tan Subject: Re: direct device assignment in nested VM References: In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2014-07-04 05:27, Hu Yaohui wrote: > Hi All, > Is direct device assignment in nested VM supported in the latest KVM > mainline now? Le Tan is currently working on emulated device assignment (VT-d emulation in QEMU). This is the necessary first step and could later be extended to enable assignment of physical devices to nested guests with support of the host IOMMU (out of scope for Le's project, though). Jan -- Siemens AG, Corporate Technology, CT RTC ITP SES-DE Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/