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Re: [Qemu-devel] [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC

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On Thu, 2015-10-22 at 15:32 +0300, Michael S. Tsirkin wrote:
> On Wed, Oct 21, 2015 at 01:20:27PM -0600, Alex Williamson wrote:
> > The trouble here is that the VF needs to be unplugged prior to the start
> > of migration because we can't do effective dirty page tracking while the
> > device is connected and doing DMA.
> 
> That's exactly what patch 12/12 is trying to accomplish.
> 
> I do see some problems with it, but I also suggested some solutions.

I was replying to:

> So... what would you expect service down wise for the following
> solution which is zero touch and I think should work for any VF
> driver:

And then later note:

"Here it's done via an enlightened guest driver."

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[RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Lan Tianyu <tianyu.lan@intel.com> - 2015-10-21 19:00 +0200
  [RFC Patch 10/12] IXGBEVF: Add lock to protect tx/rx ring operation Lan Tianyu <tianyu.lan@intel.com> - 2015-10-21 19:00 +0200
    Re: [RFC Patch 10/12] IXGBEVF: Add lock to protect tx/rx ring  operation Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-22 00:00 +0200
    Re: [RFC Patch 10/12] IXGBEVF: Add lock to protect tx/rx ring  operation "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-22 14:50 +0200
  [RFC Patch 08/12] IXGBEVF: Rework code of finding the end transmit desc of package Lan Tianyu <tianyu.lan@intel.com> - 2015-10-21 19:00 +0200
    Re: [RFC Patch 08/12] IXGBEVF: Rework code of finding the end  transmit desc of package Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-21 23:20 +0200
      Re: [RFC Patch 08/12] IXGBEVF: Rework code of finding the end transmit  desc of package "Lan, Tianyu" <tianyu.lan@intel.com> - 2015-10-24 18:20 +0200
    Re: [RFC Patch 08/12] IXGBEVF: Rework code of finding the end  transmit desc of package "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-22 15:00 +0200
      Re: [RFC Patch 08/12] IXGBEVF: Rework code of finding the end transmit  desc of package "Lan, Tianyu" <tianyu.lan@intel.com> - 2015-10-24 18:10 +0200
  [RFC Patch 09/12] IXGBEVF: Add live migration support for VF driver Lan Tianyu <tianyu.lan@intel.com> - 2015-10-21 19:00 +0200
    Re: [RFC Patch 09/12] IXGBEVF: Add live migration support for VF  driver Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-21 23:50 +0200
    Re: [RFC Patch 09/12] IXGBEVF: Add live migration support for VF  driver "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-22 14:50 +0200
  Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Or Gerlitz <gerlitz.or@gmail.com> - 2015-10-21 20:50 +0200
    Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV  NIC Alex Williamson <alex.williamson@redhat.com> - 2015-10-21 21:30 +0200
      Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-22 01:30 +0200
      Re: [Qemu-devel] [RFC Patch 00/12] IXGBE: Add live migration support  for SRIOV NIC "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-22 14:40 +0200
        Re: [Qemu-devel] [RFC Patch 00/12] IXGBE: Add live migration  support for SRIOV NIC Alex Williamson <alex.williamson@redhat.com> - 2015-10-22 15:10 +0200
          Re: [Qemu-devel] [RFC Patch 00/12] IXGBE: Add live migration support  for SRIOV NIC "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-22 15:10 +0200
      Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Or Gerlitz <gerlitz.or@gmail.com> - 2015-10-22 18:00 +0200
        Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV  NIC Alex Williamson <alex.williamson@redhat.com> - 2015-10-22 18:20 +0200
  Re: [Qemu-devel] [RFC Patch 00/12] IXGBE: Add live migration support  for SRIOV NIC "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-22 15:00 +0200
  Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-23 20:40 +0200
    Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV  NIC Alex Williamson <alex.williamson@redhat.com> - 2015-10-23 21:10 +0200
      Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-23 22:10 +0200
    Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV  NIC Lan Tianyu <tianyu.lan@intel.com> - 2015-10-26 06:50 +0100
      Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-26 16:10 +0100
        Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV  NIC Lan Tianyu <tianyu.lan@intel.com> - 2015-10-29 07:30 +0100
          Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-29 08:00 +0100
            Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV  NIC Lan Tianyu <tianyu.lan@intel.com> - 2015-10-29 09:50 +0100
              Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-29 17:20 +0100
                Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV  NIC Lan Tianyu <tianyu.lan@intel.com> - 2015-10-30 04:00 +0100
                Re: [RFC Patch 00/12] IXGBE: Add live migration support for SRIOV NIC Alexander Duyck <alexander.duyck@gmail.com> - 2015-10-30 19:10 +0100

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