From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:42744)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <tianyu.lan@intel.com>) id 1a6d88-0003Mo-9z
	for qemu-devel@nongnu.org; Wed, 09 Dec 2015 06:41:57 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <tianyu.lan@intel.com>) id 1a6d85-0004Yo-IM
	for qemu-devel@nongnu.org; Wed, 09 Dec 2015 06:41:56 -0500
Received: from mga01.intel.com ([192.55.52.88]:39203)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <tianyu.lan@intel.com>) id 1a6d85-0004Yj-DC
	for qemu-devel@nongnu.org; Wed, 09 Dec 2015 06:41:53 -0500
References: <CAKgT0Uc+-gFAetEfde6DmMOFK+vDE6UkgsNF8oLNqaQc4USSeg@mail.gmail.com>
	<565DB6FF.1050602@intel.com>
	<20151201171140-mutt-send-email-mst@redhat.com>
	<CAKgT0UfLEJpV-KdqRGfzBeas8bdqfHCmT5Xc8iVVP03g_pQO8A@mail.gmail.com>
	<20151201193026-mutt-send-email-mst@redhat.com>
	<CAKgT0UfJ7w6yYcZcF2YZyDKEwvE7Gh3P-jfGQGKLfPH2crVBzw@mail.gmail.com>
	<20151202105955-mutt-send-email-mst@redhat.com>
	<5661C000.8070201@intel.com>
	<20151209122831-mutt-send-email-mst@redhat.com>
	<56680E33.6040204@intel.com>
	<20151209132233-mutt-send-email-mst@redhat.com>
From: "Lan, Tianyu" <tianyu.lan@intel.com>
Message-ID: <5668137A.9090608@intel.com>
Date: Wed, 9 Dec 2015 19:41:46 +0800
MIME-Version: 1.0
In-Reply-To: <20151209132233-mutt-send-email-mst@redhat.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [RFC PATCH V2 0/3] IXGBE/VFIO: Add live migration
 support for SRIOV NIC
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Wei Yang <weiyang@linux.vnet.ibm.com>, "Tantilov,
	Emil S" <emil.s.tantilov@intel.com>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Alexander Duyck <alexander.duyck@gmail.com>, "Brandeburg,
	Jesse" <jesse.brandeburg@intel.com>, "Rustad,
	Mark D" <mark.d.rustad@intel.com>, "Wyborny,
	Carolyn" <carolyn.wyborny@intel.com>, Eric Auger <eric.auger@linaro.org>, "Skidmore,
	Donald C" <donald.c.skidmore@intel.com>, "zajec5@gmail.com" <zajec5@gmail.com>, Alexander Graf <agraf@suse.de>, intel-wired-lan <intel-wired-lan@lists.osuosl.org>, "Kirsher,
	Jeffrey T" <jeffrey.t.kirsher@intel.com>, Or Gerlitz <gerlitz.or@gmail.com>, "Williams,
	Mitch A" <mitch.a.williams@intel.com>, "Jani,
	Nrupal" <nrupal.jani@intel.com>, Bjorn Helgaas <bhelgaas@google.com>, "a.motakis@virtualopensystems.com" <a.motakis@virtualopensystems.com>, "b.reynal@virtualopensystems.com" <b.reynal@virtualopensystems.com>, "linux-api@vger.kernel.org" <linux-api@vger.kernel.org>, "Nelson,
	Shannon" <shannon.nelson@intel.com>, "Dong, Eddie" <eddie.dong@intel.com>, Alex Williamson <alex.williamson@redhat.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "Ronciak, John" <john.ronciak@intel.com>, Netdev <netdev@vger.kernel.org>, Paolo Bonzini <pbonzini@redhat.com>

On 12/9/2015 7:28 PM, Michael S. Tsirkin wrote:
> I remember reading that it's possible to implement a bus driver
> on windows if required.  But basically I don't see how windows can be
> relevant to discussing guest driver patches. That discussion
> probably belongs on the qemu maling list, not on lkml.

I am not sure whether we can write a bus driver for Windows to support
migration. But I think device vendor who want to support migration will 
improve their driver if we provide such framework in the
hypervisor which just need them to change their driver.