On Mon, Feb 11, 2019 at 04:58:19PM +0000, Dr. David Alan Gilbert wrote: > Hi, > Lukáš reported that there's a migration breakage between 3.1 and > current head with virtio-blk; it looks like the io bar changes from 64 > to 128 bytes and my bisect suggests it's: > > commit caa1ee43131c060347b32893abd41fe4865eaa2e (HEAD, refs/bisect/bad) > Author: Changpeng Liu <changpeng....@intel.com> > Date: Wed Jan 16 13:19:30 2019 +0800 > > vhost-user-blk: add discard/write zeroes features support > > > How do we fix that? > > Dave
Quickly :) See the logic around virtio_net_set_config_size and static VirtIOFeature feature_sizes - we need to add something similar to virtio blk now. > -- > Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
