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.

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MST