On Thu, Nov 26, 2015 at 12:02:33AM +0800, Lan, Tianyu wrote: > On 11/25/2015 8:28 PM, Michael S. Tsirkin wrote: > >Frankly, I don't really see what this short term hack buys us, > >and if it goes in, we'll have to maintain it forever. > > > > The framework of how to notify VF about migration status won't be > changed regardless of stopping VF or not before doing migration. > We hope to reach agreement on this first.
Well it's bi-directional, the framework won't work if it's uni-directional. Further, if you use this interface to stop the interface at the moment, you won't be able to do anything else with it, and will need a new one down the road. > Tracking dirty memory still > need to more discussions and we will continue working on it. Stop VF may > help to work around the issue and make tracking easier. > > > >Also, assuming you just want to do ifdown/ifup for some reason, it's > >easy enough to do using a guest agent, in a completely generic way. > > > > Just ifdown/ifup is not enough for migration. It needs to restore some PCI > settings before doing ifup on the target machine I'd focus on just restoring then. -- MST -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html