On Thu, 3 Jan 2019 13:31:01 +0800 Wei Wang <wei.w.wang@xxxxxxxxx> wrote: > virtio-ccw has deadlock issues with reading config registers inside the > interrupt context I would say something like 'virtio-ccw does not support using virtio_config_ops from an atomic context' as the limitation is not limited to read config (aka. get()). But I'm fine with your formulation as well. > , so we tweak the virtballoon_changed implementation > by moving the config read operations into the related workqueue contexts. > > Signed-off-by: Wei Wang <wei.w.wang@xxxxxxxxx> Reviewed-by: Halil Pasic <pasic@xxxxxxxxxxxxx> [..]