From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35634) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cE5Kt-0000sS-4H for qemu-devel@nongnu.org; Mon, 05 Dec 2016 21:18:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cE5Kq-0002D2-0d for qemu-devel@nongnu.org; Mon, 05 Dec 2016 21:18:27 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45420) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cE5Kp-0002Cm-R8 for qemu-devel@nongnu.org; Mon, 05 Dec 2016 21:18:23 -0500 Date: Tue, 6 Dec 2016 10:18:17 +0800 From: Peter Xu Message-ID: <20161206021817.GA4344@pxdev.xzpeter.org> References: <1480348315-13332-1-git-send-email-bd.aviv@gmail.com> <20161130092359.GC4731@pxdev.xzpeter.org> <20161202060859.GD21601@pxdev.xzpeter.org> <20161202103034.34651a52@t450s.home> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20161202103034.34651a52@t450s.home> Subject: Re: [Qemu-devel] [PATCH v7 0/5] IOMMU: intel_iommu support map and unmap notifications List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alex Williamson Cc: Lan Tianyu , "Aviv B.D" , Jason Wang , Jan Kiszka , qemu-devel@nongnu.org, "Michael S. Tsirkin" On Fri, Dec 02, 2016 at 10:30:34AM -0700, Alex Williamson wrote: [...] > On the host though, I'd expect we still have separate IOMMU domains, > one for each device and we do DMA_{UN}MAP ioctls separately per > container. Thanks, I have a RFC version of replay implementation that used the way to do it (each device will have its own address space, even if more than one devices are in the same IOMMU domain). I'll arrange the patches and post soon. Let's see whether that's a valid approach to fix existing issues for vfio enablement on vt-d. Thanks, -- peterx