On Wed, Nov 25, 2015 at 01:39:32PM +0800, Lan Tianyu wrote: > On 2015年11月25日 05:20, Michael S. Tsirkin wrote: > > I have to say, I was much more interested in the idea > > of tracking dirty memory. I have some thoughts about > > that one - did you give up on it then? > > No, our finial target is to keep VF active before doing > migration and tracking dirty memory is essential. But this > seems not easy to do that in short term for upstream. As > starters, stop VF before migration. 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. 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. > After deep thinking, the way of stopping VF still needs tracking > DMA-accessed dirty memory to make sure the received data buffer > before stopping VF migrated. It's easier to do that via dummy writing > data buffer when receive packet. > > > -- > Best regards > Tianyu Lan -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
