On Fri, 4 Jan 2019 15:11:52 +0800 Wei Wang <wei.w.wang@xxxxxxxxx> wrote: > virtio-ccw has deadlock issues with reading the config space inside the > interrupt context, so we tweak the virtballoon_changed implementation > by moving the config read operations into the related workqueue contexts. > The config_read_bitmap is used as a flag to the workqueue callbacks > about the related config fields that need to be read. > > Reported-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > Signed-off-by: Wei Wang <wei.w.wang@xxxxxxxxx> Reviewed-by: Halil Pasic <pasic@xxxxxxxxxxxxx>
