Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-05-19 Thread Michael S. Tsirkin
On Tue, May 19, 2015 at 10:15:17AM -0400, Laine Stump wrote: > On 05/19/2015 05:07 AM, Michael S. Tsirkin wrote: > > On Wed, Apr 22, 2015 at 10:23:04AM +0100, Daniel P. Berrange wrote: > >> On Fri, Apr 17, 2015 at 04:53:02PM +0800, Chen Fan wrote: > >>> backgrond: > >>> Live migration is one of the

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-05-19 Thread Michael S. Tsirkin
On Tue, May 19, 2015 at 03:21:49PM +0100, Daniel P. Berrange wrote: > On Tue, May 19, 2015 at 10:15:17AM -0400, Laine Stump wrote: > > On 05/19/2015 05:07 AM, Michael S. Tsirkin wrote: > > > On Wed, Apr 22, 2015 at 10:23:04AM +0100, Daniel P. Berrange wrote: > > >> On Fri, Apr 17, 2015 at 04:53:02P

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-05-19 Thread Daniel P. Berrange
On Tue, May 19, 2015 at 10:15:17AM -0400, Laine Stump wrote: > On 05/19/2015 05:07 AM, Michael S. Tsirkin wrote: > > On Wed, Apr 22, 2015 at 10:23:04AM +0100, Daniel P. Berrange wrote: > >> On Fri, Apr 17, 2015 at 04:53:02PM +0800, Chen Fan wrote: > >>> backgrond: > >>> Live migration is one of the

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-05-19 Thread Laine Stump
On 05/19/2015 05:07 AM, Michael S. Tsirkin wrote: > On Wed, Apr 22, 2015 at 10:23:04AM +0100, Daniel P. Berrange wrote: >> On Fri, Apr 17, 2015 at 04:53:02PM +0800, Chen Fan wrote: >>> backgrond: >>> Live migration is one of the most important features of virtualization >>> technology. >>> With re

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-05-19 Thread Michael S. Tsirkin
On Thu, Apr 23, 2015 at 11:01:44AM -0400, Laine Stump wrote: > On 04/23/2015 04:34 AM, Chen Fan wrote: > > > > On 04/20/2015 06:29 AM, Laine Stump wrote: > >> On 04/17/2015 04:53 AM, Chen Fan wrote: > >>> - on destination side, check whether need to hotplug new NIC > >>> according to specified XML

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-05-19 Thread Michael S. Tsirkin
On Wed, Apr 22, 2015 at 10:23:04AM +0100, Daniel P. Berrange wrote: > On Fri, Apr 17, 2015 at 04:53:02PM +0800, Chen Fan wrote: > > backgrond: > > Live migration is one of the most important features of virtualization > > technology. > > With regard to recent virtualization techniques, performance

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-05-19 Thread Michael S. Tsirkin
On Thu, Apr 23, 2015 at 12:35:28PM -0400, Laine Stump wrote: > On 04/22/2015 01:20 PM, Dr. David Alan Gilbert wrote: > > * Daniel P. Berrange (berra...@redhat.com) wrote: > >> On Wed, Apr 22, 2015 at 06:12:25PM +0100, Dr. David Alan Gilbert wrote: > >>> * Daniel P. Berrange (berra...@redhat.com) wr

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-04-23 Thread Laine Stump
On 04/23/2015 04:34 AM, Chen Fan wrote: > > On 04/20/2015 06:29 AM, Laine Stump wrote: >> On 04/17/2015 04:53 AM, Chen Fan wrote: >>> - on destination side, check whether need to hotplug new NIC >>> according to specified XML. >>> usually, we use migrate "--xml" command option to specify the >

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-04-23 Thread Laine Stump
On 04/22/2015 12:22 AM, Chen Fan wrote: > Hi Laine, > > Thanks for your review for my patches. > > and do you know that solarflare's patches have made some update version > since > > https://www.redhat.com/archives/libvir-list/2012-November/msg01324.html > > ? > > if not, I hope to go on to complet

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-04-23 Thread Chen Fan
On 04/20/2015 06:29 AM, Laine Stump wrote: On 04/17/2015 04:53 AM, Chen Fan wrote: backgrond: Live migration is one of the most important features of virtualization technology. With regard to recent virtualization techniques, performance of network I/O is critical. Current network I/O virtual

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-04-21 Thread Chen Fan
Hi Laine, Thanks for your review for my patches. and do you know that solarflare's patches have made some update version since https://www.redhat.com/archives/libvir-list/2012-November/msg01324.html ? if not, I hope to go on to complete this work. ;) Thanks, Chen On 04/20/2015 06:29 AM, La

Re: [libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-04-19 Thread Laine Stump
On 04/17/2015 04:53 AM, Chen Fan wrote: > backgrond: > Live migration is one of the most important features of virtualization > technology. > With regard to recent virtualization techniques, performance of network I/O > is critical. > Current network I/O virtualization (e.g. Para-virtualized I/O,

[libvirt] [RFC 0/7] Live Migration with Pass-through Devices proposal

2015-04-17 Thread Chen Fan
backgrond: Live migration is one of the most important features of virtualization technology. With regard to recent virtualization techniques, performance of network I/O is critical. Current network I/O virtualization (e.g. Para-virtualized I/O, VMDq) has a significant performance gap with nativ