On Thu, Dec 14, 2017 at 04:27:31PM +0100, Igor Mammedov wrote: > Also it seems that we have a race in current code where > region_del() unrefs memory region first and then by the > commit time memory region could be gone since old flatview > is unreffed before commit callback is called, but guest still > uses old memory map until vhost_set_mem_table() is complete. > We probably should unref deleted(old) sections after > guest gets new memmap.
Care trying to post a patch for stable? Might be a good idea to merge before this rework, for the sake of downstreams. > > > } > > > > static int vhost_virtqueue_set_addr(struct vhost_dev *dev,
