Re: [Qemu-devel] [PATCH v3 0/5] virtio-9p: hotplug and migration support

2015-10-20 Thread Michael S. Tsirkin
On Tue, Oct 20, 2015 at 08:00:53PM +0200, Greg Kurz wrote: > On Tue, 20 Oct 2015 15:53:08 +0300 > "Michael S. Tsirkin" wrote: > > > On Tue, Oct 20, 2015 at 11:16:40AM +0200, Greg Kurz wrote: > > > We already have a blocker to prevent migration of an active virtio-9p > > > device. > > > But in fa

Re: [Qemu-devel] [PATCH v3 0/5] virtio-9p: hotplug and migration support

2015-10-20 Thread Greg Kurz
On Tue, 20 Oct 2015 15:53:08 +0300 "Michael S. Tsirkin" wrote: > On Tue, Oct 20, 2015 at 11:16:40AM +0200, Greg Kurz wrote: > > We already have a blocker to prevent migration of an active virtio-9p > > device. > > But in fact, there is no migration support at all for 9p, even if the device > > i

Re: [Qemu-devel] [PATCH v3 0/5] virtio-9p: hotplug and migration support

2015-10-20 Thread Michael S. Tsirkin
On Tue, Oct 20, 2015 at 11:16:40AM +0200, Greg Kurz wrote: > We already have a blocker to prevent migration of an active virtio-9p device. > But in fact, there is no migration support at all for 9p, even if the device > is considered to be quiescent (when the VirtFS share is not mounted): > migrat

[Qemu-devel] [PATCH v3 0/5] virtio-9p: hotplug and migration support

2015-10-20 Thread Greg Kurz
We already have a blocker to prevent migration of an active virtio-9p device. But in fact, there is no migration support at all for 9p, even if the device is considered to be quiescent (when the VirtFS share is not mounted): migration succeeds but the device is lost in the restarted guest. Hotunplu